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Home My WebLink About931605.tiff July 1992 -59- 913-2403 10.0 REFERF.NCF'i Algermissen, S.T., B.L. Bender, S.L. Hanson, D.M. Perkins, and P.C. Thenhaus, 1982, Probabalistic Estimates of Maximum Acceleration and Velocity in Rock in the Contigious United States. Open-file Report 82-1033. Amuedo and Ivey, 1975, Coal Mine Subsidence and land used in the Boulder-Weld Coalfield Boulder and Weld Counties, Colorado. Colorado Geological Survey Publication, Environmental Geology. Briscoe, Harry J. Jr., 1973, Stratigraphy of the Fox Hills Sandstone with some comments on it's Suitability as an Aquifer, Greeley Area, Weld County Colorado. Master's Thesis, Colorado School of Mines. Colton, Roger B., 1978, Geologic Map of the Boulder Fort Collins, Greeley area, Colorado, USGS Miscellaneous Investigation Series MAP I-855-G. Crosby, E.S., 1978, Landforms in the Boulder-Ft. Collins, Greeley Area, Front Range Urban Corridor, Colorado, U.S. Geologic Survey Map, I-855-H. Federal Emergency Management Agency, 1982, Map#080266-0750C. Freeze, R.A. and Cherry J.A., 1979, Groundwater. Golder Associates Inc., 1992,Hydrogeologic and Geotechnical Characterization Work Plan for the Central Weld Sanitary Landfill, Weld County, Colorado. Hansen, W.R.,John Chronic, John Matelock, 1978, Climatography of the Front Range Urban Corridor and Vicinity, Colorado,U.S.Geologic Survey Professional Paper 1019,p. 59. Hvorslev, M.J., 1951, Time Lag and Soil Permeability in Groundwater Observations. U.S. Army Corps of Engineers, Waterways Experimental Station Bulletin 36, Vicksburg, Mississippi. Industrial Compliance, Inc., 1991, Groundwater Investigation - Waste Services Corporation, Central Weld Sanitary Landfill. ICirkam, R.M. and W.P. Rogers, 1981, Earthquake Potential in Colorado, A Preliminary Evaluation, Colorado Geological Survey, Department of Natural Resources, Denver, Colorado, Bulletin 43. Golder Associates PL0637 931605 July 1992 -60- 913-2403 Rahmaninan, Victor D., 1975, Deltaic Sedimentation and Structures of the Fox Hills and Laramie Formations, Upper Cretaceous, Southeast of Boulder, Colorado. Master's Thesis, Colorado School of Mines. Robson, S.G., 1987, Bedrock Aquifers in the Denver Basin, Colorado-A quantitative water- resources appraisal. U.S.G.S. Professional Paper 1257. U.S. Department of Transportation-Federal Aviation Administration, 1992, verbal communication. Warzyn Engineering Inc., 1984, Hydrogeologic Assessment, Greeley Landfill, Weld County, Colorado. Weimer, Robert J., 1975, A Guide to the Uppermost Cretaceous Stratigraphy, Central Front Range, Colorado: Deltaic Sedimentation, Growth Faulting and Early Latamide Crustal Movement. The Mountain Geologist Vol. 10, No. 1 pp. 53-97. Golder Associates 931061 r . TABLE 1-1 CENTRAL WELD COUNTY CENSUS,1980-1990 ` iatt3otl',�'�$t:?.+tteN 49809 ?; . ,��. "` Y1990�44aR.;s M ..'x7,,%CHG Johnstown 1535 1579 + 2.87 Milliken 1506 1605 + 6.57 Mead 356 456 + 28.09 Greeley N/A 136 N/A Total 3397 3776 + 11.16 Net Unincorporated 3628 3396 -6.39 Johnstown- Milliken Div. 7025 7172 + 2.09 NOTE: The Johnstown-Milliken Division includes Johnstown, Milliken, _ Mead,and In 1990 part of Greeley. Net unincorporated area figures are calculated by subtracting incorporated areas included in the division from the division total.Source:US Department of Commerce,Census Bureau. July 1992 913-2403 Golder Associates 931061 TABLE 1-2 PERMITTED WELLS WITHIN ONE MILE OF THE CENTRAL WELD SANITARY LANDFILL 0159091 Knister Farms NA NA D Greeley,Colorado 0765 Robert Race 263 NA D Parker,Colorado #11090 GA&MJ Shable 37 8 S Milliken,Colorado #90580 H Daniels 22 9 D Denver,Colorado Notes: NA=Data not available Usage Codes 0=Domestic S=Stock Source: Colorado State Engineer,Division of Water Resources July 1992 913-2403 Golder Associates 931061 TABLE 2-1 SOIL GAS PROBE,MONITORING WELL,AND GEOTECHNICAL BORINGS SUMMARY flegaMagaVatibIMPC''. <SaiGatR'MM ,� SG-1 372,744.47 2,191,475.35 4,816.73 4,815.40 62 - 26.0 4,809.4 -4,789.4 SG-2 372,240.29 2,191,476.41 4,794.90 4,793.87 6.0 - 26.0 4,787.8 -4,767.8 SG-3 371,750.47 2,191,471.80 4,773.33 4,770.87 6.0 - 14,0 4,764,8 -4,756.8 SG-4 371,391.53 2,191,77356 4,767.55 4,765.15 6.0 - 14.0 4,760.1 -4,752.1 SG-5 371,013.36 2,192,128.05 4,761,72 4,759.73 2.0 - 8.0 4,757.7 -4,751.7 SG-6 370,655.26 2,192,42307 4,756.37 4,755.09 6.0 - 17.0 4,749.1 -4,738.1 SG-7 370,660.44 2,192,916.57 4,782.00 4,780.25 6.0 - 36.0 4,774.2 -4,744.2 SG-8 370,672.80 2,193,414.15 ' 4,793.12 4,791.90 6.0 - 32.0 4,785.9 -4,759.9 SG-9 370,688.01 .. 2,193,887,48 4,760.55 4,759.27 6.0 - 31.0 4,753.2 -4,728.2 SG-10 371,188.36 2,193,897.75 4,793.36 4,792.20 6.0 - 46.0 4,786.2 -4,746.2 SG-111 -- __ __ -- -- __ • SG-12 371,952.67 2,194,040.82 4,798.43 4,796.98 6.0 - 31.0 4,791.0 -4,766.0 SG-13 - 371,945.58 2,193,544.40 4,806.59 4,805.63 6.0 - 31.0 4,799.6 -4,773.6 SG-14 371,506.76 2,193.616.98 4,804.06 4,803.04 6.0 - 36.0 4,797.0 -4,767.0 SG-15 371,328.62 2,193,906.24 4,794.63 4,793.26 6.0 - 31.0 4,787.2 -4,762.2 SG-16 371,947.19 2,192,982.09 4,820.28 4,818.76 6.0 - 36.0 4,812.7 -4,781.7 SG-17 372,272.54 2,192,769.98 4,823.45 4,821.85 6.0 - 36.0 4,815.8 -4,785.8 SG-18 372,66259 2,192,768.01 4,829.20 4,827.56 6.0 - 36.0 4,821.5 -4,791.5 SG-19 373248.01 •' 2,192,77274 4,837.58 4,835.94 6.0 - 36.0 4,830.2 -4.800.2 SG-20 373,239.68 2,192,267.81 4,828.79 4,827.16 6.0 - 31.0 4,821.1 -4,796.1 SG-21 373,235.37 2,191,525.07 4,831.20 4,829.81 6.0 - 21.0 4,823.8 -4,808.0 Monitoring Wens - GWMW-5N 370,888,26 2,193,894.44 4,761.92 4,759.49 20.0 - 30.0 4,739.5 -4,729.5 GWMW-06 371,679.09 2,191,474.31 4,772.90 4,770.29 9.0 - 29.0 4,761.3 -4,741.3 GWMW-07 371,149.74 2,192,062.65 4,764.09 4,761.41 13.0 - 230 4,748.4 -4,738.4 GWMW-08 373,23205 2191,496.14 4,833.98 4,831.74 70.0 - 80.0 4,761.7 -4,751.7 GWMW-09 373,248.78 2,192,751.58 4,838.37 4,836.22 65.0 - 75.0 4,771,2 -4,761.2 GWMW-10 371,940.04 2,193,279.38 4,81609 4,813.70 50.0 - 60.0 4,7637 -4,753.7 GWMW-11 370,657.79 2,192,380.76 4,756,82 4,754.31 50.0 - 60.0 4,704.3 -4,694.3 GWMW-12 370,689.66 2,193,901.46 4,761.93 4,759.40 58.0 - 68.0 4,701.4 -4,691.4 GWMW-13 371,668.95 2191,477.46 4,77218 4,768.99 50.0 - 60.0 4,720.0 -4,710.0 GWMW-14 371,140.54 2192,067.82 4,76370 4,761.24 50.0 - 60.0 4,711.2 -4,701.2 Gealecht8o4nps GT-1 371,332.39 2193,15300 — 4,812.53 N/A N/A GT-2 371,490.99 2,193,158.04 - 4,814.27 N/A N/A GT-3 371,713.50 2,193,140.76 - 4,821.19 N/A N/A 4 GT-4 373,126.00 2,192,663.00 — 4,835.00 N/A N/A 4 GT-5 373,040.00 2192,663.00 — 4,83100 N/A N/A OT-64 372,926.00 2,192,663.00 — 4,831.00 N/A WA GT-7 371,834.40 •' 2,193,784.89 — 4,795.41 N/A WA NOTES 1 State Plane Coordinate System 2 Slotted pipe interval 3 SG-11 was not installed 4 State plane coordinate and elevation survey data for GT-4,GT-5,and GT-6 are not available. Values are estimated. July 1992 913-2403 Golder Associates 931061 / 2 § ( ` \ CO N0 I i• .q. 00 NI k\ 2 \ ® _ _ �) \ 7 N O § r%q § \\ : | V'CM v ; 2@ ) 02 = `\ ± it ! (\ ® I in CC 7 H ` / ( co \ G ` ! ) >: \ J |.1,..", ' , _J.0•. 0 O - - 00 \ \ 08 ` (.0 CC CC ( \ ° / } } f - }. co0 _ z { S ! § 3 ! al• \ k0 \ { \ 5 \ 8 cc _ ! ! * E , ! | m0 2 j CM O3 • \ \ / CtC \ a ) \ ! > ( \ O 0 " ; : _ & ; ! ! ! ! ` 7 Golder Associates 931061 Q in "I,. Q IQ Q 5' - ri z a O. g{,.(..t. N `a N N U E men N N N Ma E^ _T T.T. TLT N TT TA .T. N gs8 8 2.3 t2A I .= ', 7 b E e k 8`oV ei U a z i ,t T E" ail o 0 0 o c b b o N F N _ $ ::� � k k k k k k k k 6 ** 1- N en— -O ... in m eZ =(,''' 00 .-. N N N X N � o el Ea y — �+�i++ + a,r. - co vii a N V o '-. 0 N a n enn a' < eNn P. FEU .''„.9 Y Y 7 Y Y Y 7 v z � . . — ^- eenn m a N v al a (a to 'a a e a a m — a 03 t cl N a V V en V V YK 2 v v a a a a a s 'C .a i�/1 2 I V N C b O .a 0 e+ O O . S m - N N N N gN N N .. N - d 0it o 6 ..Q. t eV — W — b g a - 3 t I —• N M < of N b C` I � � 3 3 0 3 3 3 3 3 3 3 3 _ T Golder Associates 931061 n z z al a.1 z z • =� J:y S:y Z.f �N �E. �O ),0 0 V en FF en 0C 02 y0 y2 00 v3 E- .a z z z z z Z .-I a 8 en 0 0 0 0 0 ..Ca 5 0 N gg u a`Tvof C m,= u e C '-.= !; b 13. : a C X 3 0 80 .n ; — C7 CV [.., 3 3 LL •>� 'iv C .5 E. `• ≥. 0 0 0 0 0 0 0 0 E 2 .4 23 %. X X X X X X X � h rl , >r C..eEa — 0' N O O en O P. a — .T. U. ' — V N — N — N — L ; N a r c4 c 0 > ..- La▪ tr]• �' e 3 = el p m m r N en < P N — N 3 r F � O h b 1''' �a4 a $ o < 5 ' zU a Y Y Y Y o4 oY Y o4: e E4. ET4 7: n e< n en O a .N.. a d ,CD 3 °�' 0- a rs a it a g v a v C7 m ' y >a z > EEEEii�i -:n2 t1 d I 2 e 0 0 0 0 0 0 0 g W a a i r- in 0 0 0 0 O alit, i g '3 c:T.. g . a 2 ` s : m a 0 — e+ en 'I2 '..> i " a .3 0 0 v v 0 v v — N a g z r z Golder Associates 931061 i TABLE 2-3 SAMPLE CONTAINERS,PRESERVATION AND FILTRATION ,� '.SAMPLE' SAMPLE --�' SAMPLE PARAMETER CONTAINER -- PRESERVATION FILTRATION Major Anions 1-32 ounce, plastic None No Major Cations 1-16 ounce, plastic HNO3 No Ammonia and 1-16 ounce, glass H2SO4 Nitrate No Trace Metals 1-16 ounce, plastic HNO3 Yes Pesticides 2-1000 ml, glass None No Herbicides 1-1000 ml, glass None No Radionuclides and Radioactivity 2-32 ounce, plastic HNO3 No Trip Blank 1-40 ml HCL No VOCs 3-40 ml, glass HCL No July 1992 913-2403 Golder Associates 931061 1 t 7 333 ( § g } G / 233 a k ; ; II ° § E | ; 7. «mom# ; ; 33 ± . a / \ § ; 23A 224 -.I a j \ . .\° AAA | 1 } } 2 2 ' / } j § 3 \ \ \ cc > f ,'; z1 " "r " « R } ; . . 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C +: 0. 0. | / � � e �� . ti 3xf \ : iii l 3 0 § ! t\ ; : 1 ■ei@ F. / §|! ! \ R R m L, |) , ) , , , , ! 7 f .! § / ; ; , i§1'/ . 7cl \ } / ! ! j , l 0 III LI— CO \ \ } � 21rt ` 2 i\ ` | §< o co , : _ ` § )}8 \ ; ! m 3a R! ■§ i : ' ° , § e p} a BfT § iijtnddd i it, - .§o % It w La 0 ;;§/ y ; , = _ .. , !!!/ wb gt_i\ : | ■ . /- ® : �a « , k . - GG = ° _ Golder Associates 931061 / 0 CI SI- et Ict -: c0fr. § ` � ` � dk CO▪ \ § M } 030.00 § " ` \ 2 = : D ( } \ Wb \ @m01 , ; , U' U' ; 0 % \ \ � : _ - CO§ \ re 0 } al 2 f ! 7 ! | 6 # Z ` i | ! # § \5 -.a kk « cc ! ! ! & \ � k } 0 \ k } / \ k \ \ E 8 ca aI ! : E EOO ! « ! j ] #% : / / \ ' / a Er. CL )a gO . . ! 2 » , 014 ! = - � ri N 0) 0) T. --Associates 931061 r. TABLE 5.3 RESULTS OF CATION EXCHANGE CAPACITY (CEC) AND pH ANALYSES Well -(ft.BGS) Unit } meq/100q pH SG-3 11.2-13.0 Upper Weathered 18.3 7.5 Bedrock SG-6 13.0-18.0 Surficial 24.2 7.6 Unconsolidated SG-9 22.1-23.0 Upper Weathered 22.2 7.6 Bedrock SG-16 23.0-28.0 Upper Weathered 37.3 7.7 Bedrock SG-20 23.5-22.5 Upper Weathered 22.4 7.9 Bedrock C- July 1992 913-2403 Gelder Associates 931061 TABLE 6-1 VOLATILE ORGANIC COMPOUNDS ANALYZED IN WATER QUALITY SAMPLES Acetone Benzene Bromodichloromethane Bromoform Bromomethane 2-Butanone(MEK) Carbon disulfide Carbon tetrachloride Chlorobenzene Chloroethane Chloroform Chloromethane Dibromochloromethane 1,1-Dichloroethane 1,2-Dichloroethane 1,1-Dichloroethene 1,2-Dichloroethene(total) 1,2-Dichloropropane cis-1,3-Dichloropropene trans-1,3-Dichloropropene Ethylbenzene 2-Hexanone Methylene chloride 4-Methyl-2-pentanone(MIBK) Styrene 1,1,2,2-Tetrachloroethane Tetrachloroethene Toluene 1,1,1-Trichloroethane 1,1,2-Trichloroethane Trichloroethene Vinyl acetate Vinyl chloride Xylenes (total) July 1992 913-2403 Golder Associates 901061 /O/j3/92 NS§§Nsa18§f "s§§s§§§ g§§ §Ns§§Nsa§ A a o00o O vvvvvvP od ooec000 rn ' vvvv ovP' 00000vv ovv ' vvvvvvv ss"ss Ps "s s "s Nsa § aW A IP Y 0000 ya,000 ` odbococ -.cdo ooccccd c m . . VVVV VV VVVVVVV . VVV VVVVVVV I W A Si J m<2LL Ig' m SLI)Ill in tr, NNNNON _ C 80080000 a: 8§88g§8 000 O 0g08S 0o o C o o O O O�, O O o C o V o O o o O o o d a C VVVVVVVV V V V V V V V V V V V O V O V P OI 3 m 0 A - E !3'. s- ,. lei > -C. :lc mm` ` .; n T(UJNNNO 8Li pONNNN 8§ E' `,J O a.. OS S S O 8 O 8 O SO S S OO SSO OOSSSSS ' Y m 00 0G O O 00 0 00C 00 :N 00000 0 OOO 0000000 OOOO 00000000 O m z 0 V V V V V G O-V V V V VVVV V V V V V V V V V V V m 6 C 0 m , _ Eel cc C m 4 sot . 0 . a m N "0188'0N0=-088 Nif1NNNNN 000 Cr ,''', 0 o S 0 0 0 0 0 0 0 0 0000008 O O 1 W �' r 0 WZ E C '000005000 0000000 000 000000 3 u m 0 00 N 0000 vvvvp Q.0 00 C O O O O vvvvvV V coo V 0V 0 0 0 0 0 0vvvvvv co 0 m m m �� c H V l z o -< NN pNNNr• NN�pO NNN �pO ypf yp�NNN U � E 8885,7;888g'y S S O S S S S O S S O S O S S S O _',, N 0.0 0000 0 000000 000 .0000.0. (67 a , • V V V C"V V V V O.: VVVVVVV VVV VVVVVVV O a < ll yp� 10�pO yy8§888§8 yp1 Np r E 4 S S O S O�8 O d §§§§§§§ P O S S O o o S O o O < O q q O O O O O O O 0 0 0 0 0 0 0 O O 0 0 0 0 0 0 0 �.',�,; v v v v vPav v VVVVVVV dv v VVVVVVV v v v v v e W 4,;; En � o 22 2oPo 0000002 000 op�5. • h La u m 6 o5+000000`P 0000006 000 0op0gSP. m5 o 0000000 coocodo 000 0o c 2 < v onv v v v v v V V V V V V V V V V V V V 0 0 0 0°. Q A .p `••.• 6 _ G 9 m .5222i m ° 2228. m - W:. N N N N N N N N N N N N N N N N N N N N N N N N N m 0 m 6 m V 1C. 01N3S850001 T--.10.001(SQ(�1 OIPP Ol Ol Osr- ai N O O O O 0 0 0 C. YON n CC N N N a f N N N N N N O S�N 0 O a a 0 C L 0 m N NNN 7 �. . 0 tZ a�C�aa t� f�t�C� CZ C�ta t7' C7�C{t7' {'' t�t7' C�t�l«OP< ALVMVGOG3 VI C 9 0 0 0 m. . . .2g2 N m - N N N a E O O Nc' m E0 1 1 1 gleam O Y ... 0 .�N CI<NhOPI� 0T mO E2— N.. N 966WCFf m� `D`� Fa33333;� 3 ,3333333q�' = Smmmmmmm uooEE " 82 _1$'•.:.8 . i3E 53 f a. 33ii3I3u.o1 aru_mm222ym NNNWWmcc T ((.� 3*333 3 ; 303333 moo¢ a W m- oo and m A O - 'U C7 U' m32(00 Q00,0t7c0ati 2 y Om,^� �•-ra < vn 037 & a < a — rc." mli . Golder Associates 931061 ??88 E `(. ?? V ?? ES _ ESEvvvv ti g Vp1 Ypf Yp1�j �1fp1 by Jj�Jj fj�j Jj Yp1 Yp1 Ypf by Vp1 1j1�1 fj upf Vp�Ypf Ypf a OOO etti O SSESSOO 0OO SSSOOOO C 1 0000 00 - Car 00 a OCO OOO 000 � at-, v '8v8vvEv .vvv vvEEvvv g 9 et a 9 N O NNE NN m.,N YY ; C m §s§Nse§§§ §§§§§ss ssd 0§§a.§ass i a p<p 4 SBS????E&: ti?????? S?VS EgE .`?c O G mss" Y,' Ij c ti rs.;,_ § 3 Om$ §§ §§§§§§g . §0 0000W§8 > g W 00000 . 00 .000 coo 000 0000000 `dmx '�^ r' ,etv v v v V v V V V V E V V V ,V V V V V V V V V V n m tar, C N 0 k ^.Km a'31' V m 6 m m y J� N Ip° . d5 Y1^. NN��11N N N NNNNNNN CF � , o wa !C . §g§§1--8§ad aa a od8 . 8888888 m _' 1 . I1 Z C G C o O o 0.08000.c.,°0° O o 0 0000000 g q m m 1 m s '4 v V v v aec V o V v v v v v V VVV VVVVVVV 1- m 0 LL a r a fl £ i a, � :€ §§§ a§§"as >sN§§§§§§ §§§ ' §Ns.Ns,Ns. !sN, QgZ at SEE SSSS 000000E 'Fit?? EEEESEE V k1 aj§§§§og, §§ §§§§§§§ §§ §§§§!!! a 1 '.00000 0 000000 ! 00 000 i2` 4- vvvvv;Mg,' °>Evvvvvv ,.. EE aEvvEvvv o a g bs a a ? ;q 0 ,00 0000 '0000000 000 00' n m g o 0000000 0000000 ooa oe�;�^ 0 8 m5 0 100000 0 000000 '00 0082 v vvvvv? v ' Evvvvvv vvv vv a g m s8_ O A m g 2 0 �~ N N N N N N N N N N N N N N N Nq N N(V N N NlI( N `t t t L `� EIm Q1jl2'am m E mm��yl�yT�Qaa11 £(((QQV�� E'�mlpQQp��j�I��(QpQp��jj� °' Cq $ e va ss NN Nr.t'l t1NN N(7�N0 �NN NN�OO�N O a a a a 0� m 0 �y� ? ?l��e��l ��? el? ? ? 2 ?1 ? ?I Aycyyyc,y� BL; ,s..N c O G O C 8882 ti _ _ g .t N N N a 12181 E S 6 L '* eq ^NNYNM�bI� WSO—NN� Oa U 1 1 1 1 j m N N 00 m JNJJN g«W11:.1.. 0c 3 N ; mill-inka.g. e-LLco - 4,4,4..0 , -dg-48$5 mmmmm W 0 m d .: 8000000, 300 g0000000 Z 'Ji 0C�,�•••-F-ar8y _> ,,,--^ a 3 y?‹ '3 z —— a Golder Associates 931061 TABLE.6-3v TRACE METALS DETEcILI)IN WATER QUALITY SAMPLES Concentration in mg/1,, Sample,_ Location. :'Date Barium Cadmium Chromium Iron Manganese Shallow Wells GWMW-1 3/27/92 <0.010 <0.0050 <0.010 <0.10 <0.010 GWMW-2 3/27/92 TV <0.0050 <0.010 <0.10 <0.010 GWMW-3 3/25/92 <0.010 <0.0050 <0.010 <0.10 <0.010 GWMW-4 3/26/92 <0.010 <0.0050 <0.010 <0.10 0:WI GWMW-5 3/31/92 <0.010 <0 0050 <a010 <0.10 0S.' GWMW-5N 3/30/92 <0.0050 <0.010 <0.10 GWMW-5N(dup.) 3/30/92 <0.0050 <0.010 <0.10 4 GWMW-6 3/25/92 OSI1 <0 0050 <0.010 <0.10 0'011 GWMW-7 3/31/92 LOU <0.0050 <0.010 <0.10 Q,26 Deep Wells GWMW-8 3/27/92 0'013 <0.0050 <0.010 <0.10 I;7 GWMW-9 3/31/92 <-a010 <0.0050 <0.010 <0.10 0,25 GWMW-10 3/25/92 QO25 <0.0050 <0010 D 0`3'h GWMW-11 3/26/92 01k14 <0.0050 <a010 tell as GWMW-12 3/31/92 tJ.O$ <0.10 GWMW-13 3/25/92 4 <0.0050 <0.010 <0.10 GWMW-14 3/26/92 <0.010 <0.0050 <0.010 Surface Water -/ ."or . - I d; LF-UD 3/26/92 + "r <�0.005� E ) 0366 N-Discharge 3/27/92 0 <U.0050 <00L004 RP-Inlet 3/26/92 ?;( <0.0050 <0.010 ' l'044 QA Samples TB 3/27/92 NA NA NA NA NA FB 3/27/92 <0.010 <0.0050 <0.010 <0.10 <0.010 MB-6D 3/30/92 <0.010 <0.0050 <0.010 <0.10 <0.010 NOTES: Detected concentrations are shaded. _` NA = Not Analyzed �' c `' ` _‘ TB = Trip Blank - FB = Field Blank G', ) f �7 MB = Method Blank ,.� 3 3C - 21- July 1992 913-2403 Golder Associates 931061 ( TABLE 64 NUTRIENTS DETECTED IN WATER QUALITY SAMPLES " ' c . 'z ,Cott xntiafion in mgll Sample Ammonia(as N) Nitrate(as N) . - Shallow Wells GWMW-1 3/27/92 <0.10 GWMW-2 3/27/92 <0.10 GWMW-3 3/25/92 <0.10et GWMW-4 3/26/92 <0.10 iI GWMW-5 3/31/92 <0.10 ;2 GWMW-5N 3/30/92 <0.10 GWMW-5N (dup) 3/30/92 <0.10 GWMW-6 3/25/92 <0.10 GWMW-7 3/31/92 <0.106 Deep Wells GWMW-8 3/27/92 <0.10 7:4,, GWMW-9 3/31/92 0;28 _ <0.10 GWMW-10 3/25/92 .6.9 E 2 ( GWMW-11 3/26/92 f} GWMW-12 3/31/92 0'.3g GWMW-13 3/25/92 GWMW-14 3/26/92 otl Surface Water LF-UD 3/26/92 <0.10 N-Discharge 3/27/92 <0.10 ° RP-Inlet 3/26/92 <0.10 Q.4 Samples TB 3/27/92 NA NA FB 3/27/92 <0.10 <0.10 NOTE: Detected concentrations are shaded. NA = Not Analyzed TB = Trip Blank FB = Field Blank Laboratory blank samples were not analyzed for nutrients. July 1992 913-2403 Golder Associates 931061 ( TABLE 6-5 RADIONUCLIDES AND RADIOACTIVITY DETECTED IN WATER QUALITY SAMPLES it *IOW kt ' 'Z;cnvttyvtPalL7 Location Dalc 1 Gross _74 Gross Radium e' Radium ;Alpha . ' Beta • .; ( '226 228•, , Shallow Wells GWMW-1 3/27/92 67 50 2.0 1.9 GWMW-2 3/27/92 56 38 0.9 1.7 GWMW-3 3/25/92 180 47 7.0 6.2 GWMW-4 3/26/92 60 0.0 1.5 0.0 GWMW-5 3/31/92 19 36 0.0 1.4 GWMW-5N 3/30/92 90 55 1.4 0.9 GWMW-5N(dup.) 3/30/92 62 38 0.4 0.4 GWMW-6 3/25/92 64 57 1.2 0.9 GWMW-7 3/31/92 82 76 0.0 1.3 Deep Wells GWMW-8 3/27/92 38 71 0.4 1.0 GWMW-9 3/31/92 41 25 2.1 2.7 GWMW-10 3/25/92 49 28 2.9 3.4 GWMW-11 3/26/92 10 22 2.5 2.4 GWMW-12 3/31/92 5 1.4 1.0 0.0 GWMW-13 3/25/92 16 33 0.9 2.1 GWMW-14 3/26/92 11 17 1.1 0.2 Surface Water LF-UD 3/26/92 40 18 0.1 0.9 N-Discharge 3/27/92 15 14 0.0 0.3 RP-Inlet _ 3/26/92 32 16 0.3 0.7 QA Samples TB 3/27/92 NA NA NA NA FB 3/27/92 0.8 1.6 0.0 0.0 NOTE: NA = Not Analyzed TB = Trip Blank FB = Field Blank Laboratory blank samples were not analyzed for radioactivity. ( July 1992 913-2403 Golder Associates 931061 T.. >p \ i 9 6: i ,. -- �"- I ♦ L t wan. - _ U V r: xala e.Y l a Lc a, NO a* O e y rt \ ' \ I JR i , a ✓ k �\"' �2 e° ° 4 oc 4 laws r A _l u - :,rN S crc- I ). 0 mrzJ�C Y _ I - Pjd5 Park-\ x , � - . J✓ > _ IR. . •ca0STA�'3-/1 ®®• _ .�. v 1 _ I MI �� Irte f4 in �RG Vr, L \ 'urcell • Poatlul E ., , -ll 14n I[M1 'H •i[n cM 1 v I�. I GNan Cor an 0 .ter % M.= a "..• ,` �i.. Mm - '" r* fey kI •r1R1em 9unesa le , I ell Na�en 1.1)55 _ CI 7-- CI• rly Gill Neet. U- .9�} M e��\ E �! !„ �1 Taro .._ III �scr:• a� V� I :el" R's an e 8` Cx� - a ua i rnlxoM� �, Hersey e5-55 ar l' N ,m; a` � � N Lyon Like 0 ese si / 9owena 1 ad a / c, "53.--°5 An l » ° b-ron R7 Tk>♦�v �IIAIMI�Ti ti, 9ti'��4c.xe r1w .w .I�e. II,NS r /'� + i.an I ' 1 J ' ^" r a e aF _a i a�r�e,a5-0 Date m r 1 1 / as N Pres et n �V 'Sl� 4 I x $ I 1 L.' ,ate �p+y� "an � '� � r' ad eul 1�K1`y`1 1� �e'lLSrear �A�l� _ y/ SLR"' AAeo�� 6.1 oN.a3�a�sap�{ Imo:-Ima > -s TITLE �us a,� REGIONAL SITE LOCATION MAP CUNT/PROJECT WASTE SERVICES CORPORATION GATE SCALE JOG Rn CENTRAL WELD SANITARY LANDFILL JULY 1992 1"=8 MILES 913-2403 DRAWN KAW Iowan SAC IIREVI[WEO we-i FILE DWG.NO. 8 FIGURE 1-1 931061 »JJ �SMW r x0 06 j CT,' ,t i - l / / �1 '' esai l �� APPROXIMATE SITE LOCATION , 111 ' tJr/ 1�11S. y) 5il 1.11-$32 �� S(4, ) �� ae o SPQNER4r � __- .^ 2 ?i. , i` an a.9]. V O64 '' N,Gs It%PIE) r k-N _5_ L a�g v �" s "$ Mn oREA rs � �� •� it / - J ' wm .)z -o. • 40 '° nu %7,0 /- - Daniels l•• orrcv pSch ' � .. 47•6 .eaz arze gicH j, ___. i ..0 7 • .8� .Y 1 mix Golder GENERAL SITE LOCATION MAP Associates Denver, Colorado CUEM/RROJECI DRAWN KAW DALE JUNE 1992 JOE NO. 923-2403 WASTE SERVICES CORPORATION tnEONen ,K SCALE r-z000. DWG NO./REV. NO. CENTRAL WELD SANITARY LANDFILL REVIEWED mai FILE NO. FIGURE NO. 1-2 931061 -19011:6M iii 0 ? n I 9 m 4 g u. 0 0 tfh h S °° -a-Z I i 5 m V Y� � y 8 oI I S Z, A a� I t, g € `6`r , o O2 II2 ?S°`•r 11 et:j •..: ,..Rfr \ i Hd— \ N \J 44 1j1 .•� ./ It t " I r3 Ili L i _ _�' i I i 5N -S <•�V '"'%� +n 1.:a6Ya2Y` .X: 8 / / 1 - III t. I ?i l ?i�' j lir - rI'I y tI r Ip Li• , is %�-(� i i�' 3g $i �\ i g3 t a�' l i I �� JAI I i q 1,_ / i G ' - / � f C i r' 2 / � • i. hi/"1 ' I lr .. l 1/41, Iiiiiiiii,::41,11:11 1 7 I I . H - - -- fl- ri9 6_ 3W 70 LOCATION SITE U 14 3 `�� I StainilDiMinniliininiar ,{ • DENVER I i9N::,:::::::,:*.„i:H*::*] :: ::"" .:::::::::::::,:::::::::„:::::::::::::„...:„.„:„:„.„:„.,(e.) 12. 6 I1tp „„„....„..............„... ,............ 4:12mgr .,„:?,,,...,,,„,,,,....,,:,,,,, \ 7 1 -- Yf .0( 4 EI\ 4t 1i3 6 I I of Wl I SOURCE ALGERMISSEN,ET AL(19821 MAP OF HOPIZCNTAL ACCFI FRATON(EXPRESSED AS PERCENT GRAVITY) o MILES 100 N ROCK WITH A 10 PERCENT PROBABUTY Cf BENG EXCEEDED N 250 YEARS. I SEISMIC HAZARD MAP Golder DENVER & SURROUNDING AREA t�ssociates Denver, Colorado NENL/aaatccr CRAW'. EJB 1orE JULY 1992 JOB NC. 913-2403 WASTE SERVICES CORPORATION CHECK£( CER 5cAL( AS SHOWN DWGNO/RC. NO . CENTRAL WELD SANITARY LANDFILL =r^Ewf.- WEH PLE NO ricuBE TO 1-4 931061 C- \ p 1 — __ � C 2 2H� 0916 � \ � ��✓f 93 i Is �. \s 1\�. \ s,-,/r J�; 132 J) "` 1\ p° o �l� i h At5 t v1 an ell 'N` tee♦ iI)` ni EPn u°° � _� J k0 R, rsoseo �— n v -. ' T Ps n _ i± t .., w.0 - _ _ • ' i 69 DITCHSch'Daniels+ '..ns LEGEND 4732 4728 I Jw e' Di J NUMBER OF PEwVnTn wELL.s N QUARTFA/QUARTER SEE.I!UN #785 aPERMPERMIT NUMBER L � ,6 I e sEE TEXT FOR DISCUSSION 1 Int€ PE' k'' Golder ONE RMILE RADIUS OF TFE SITE Associates Delver, Colorado C JENT/PROJECT OMwN KAW DATE ,may 1992 Jae NO. 913-2403 WASTE SERVICES CORPORATION � � Ac Seta r,Z� twc NO/REV. NO. CENTRAL WELD SANITARY LANDFILL RENEWED { FILE NO. TCURE NO. 1_5 931061 ANOOILEO ALUNWIN PROTECTIVE COVER./ COMO CAP f l S FEET n RARAYIF FOR AC CAP TOP CF INFORMED PC I-.-6101 CIA./u/ao®AUNaA 2 FEET WWI ABOVE GRADE VS NM SEA AKI LET a AND/OR sANo LECTURE MOPE CATOUNO AWAY FROM CASINO VA NCH Wee VENT IIOIE �r �1 NI14M 2 FEET •• CONCRETE ‘.- ' ,•NN S FEET CASK]DEPTH BELOW GROUND SURFACE DRY BENTONITE PELLETS ONLY-L A f 2 FEET DIA PVC REEK PPE BENpa lTE/CENENi GROUT /FLONAD Mm CONNECTIONS. . TEFLON WRAPPED 4O �Gi -SWISAW FLIER y'�cv +:H 3-5 FEET BQROUIE SEAL 4" A BOREIct' h' Yea J FEET NMARY SAN)RW! ABOIE YASJ.SOIEEN.UMESS WHUTONS~PANT LASS CENTRAUffinS, l AS NECESSARY ' 2.4 PRIMARY SMIO OOq NCH JUtdCN PVC CONTNUOI4 WELSCEEN ✓,: Y/ELLSCIEEN iENOm WOES CmICATEO WELL WRARO SAMPLING PUMP OPTIONAL 'SAMPLING INREAOEDPLU0 SEDIMENT SUMP BOTTCN OF WELL HOLE UC4 APPROPRIATE) �� TITLE TYPICAL SHALLOW MONITORING WELL CONSTRUCTION DETAIL CUENT/MIOVECT WASTE SERVICES CORPORATION CENTRAL WELD SANITARY LANDFILL DATE JULY 1992 al Krs '°'"° 913-2403 °~"N BDL lamu0 JAC Inv WH WH Flu ORE.Nn FI URE 2-2 931061 ANODIZED ALUMNNM PROTECTIVE COVER./ 100eDw :I T1 F NC(CLEARANCE I' _� PVC W FORSAIrtNi 1f TOP OF 1NREADED PVC OIC(ORL AMOQED ALIYIILL MOMM ABOVE GRADE LB NCH PEA GRAVEL MO/OR COAASE SANG LDITURE 81011 OBOUW AMY FROM WM VA NC1 SCREENED VENT HOLE WHOA FEET ;i.:: _ =CRETE $. • L 3 FOOT GSM DEPTH BE eELaw GROUND SURFACE yy i. STEEL GSM I FOOT BGS TO IS FEET BELO W BOTTOM aF ADJACENT SHALLOW WELL oar rENroHTE PELLETS ONLY B NCH CIA.PVC RISER PPE •� DED CONNECTIONS BEHTO`a1E/CEMENT GROUT TEFLON WRAPPED Jto '0 — 8 NCH SAND FLTER 3.5 FEET BENTONITE SEAL BOREHOLE NALL 1Y: i 3 FEET PO WAY SAND PAC( ABOVE WELL SCPED4 t HE55 COrpTION3 WANUNt L64 CENTRALIZERS) AS AS NECESSARY PRIMARY SAND 0.010 NCH JOHNSON PVC COHTNWIR SLOT WELLSCREEN x � WE3.L8fJEEN{ENR1N VASE! DEDICATED WELL W'IURD .A WLM PUMP CPTIO AL 04 AOEO PtUG / SEDIMENT SUMP `—BOTTOM OF WELL HOLE (AS APPROPRIATE) TITLE @Gold¢ TYPICAL DEEP MONITORING WELL CONSTRUCTION DETAIL C1DR/PRWECT (. WASTE SERVICES CORPORATION DATE xrA NTS 'Mille 913-2403 CENTRAL WELD SANITARY LANDFILL JULY 1992 DRAWN BDL 'CNC." JAC rR.VIEMD WH NIL OWB.N0. PIOUS. 2-3 931061 6 NCH DIA.ALUMNUM CASNG WITH LOCKNG LID 6 INCHES ' 1/4 NCH PEA GRAVEL � 6 NCHES V4 NCH DRAN HOLE 18 NCHES 2 FEET CONCRETE AROUND CASING TO COVER CEMENT-BENTONITE GROUT SEAL 3 NCItS .a>Ro I. -,I mg' 2 FEET VARIES CEMENT-BENTONITE / GROUT SEAL INCH PVC PROBE. SCH 40 4 FILTER PACK SORE (SAND' DEPTH 1 FOI T VARIES 2 FEET I INCH PVC PROBE.SCH 40 010 NCH SCREEN INCH PVC CAP. SCH 40 • GRAVEL PACK • MNIAMIM 2 FEET 1/4 NCH PEA GRAVEL B INCHES tmi "- TYPICAL LANDFILL GAS MONITORING ( es-Golder WELL SINGLE PROBE Associate's Denver, Colorado CLIENT/PROJECT c"AWN EJB OA.E JULY 1992 JON NC 913-2403 WASTE SERVICES CORPORATION CMFORE: CER SCALE NTS °" 'NO,'REV NO. CENTRAL WELD SANITARY LANDFILL PE;ERE WEH F'KE NO Kw*. ,a 2-4 • • 931061 T90TC6 g x ! IT 2`. W % ? Y M N . / LL s. l 1 -�./ - sal � � k. C ' pg spy I nl` Te ?.rf , R I I d k a X'. l,,i �,. w . , nl� r_ 7w Im � P` ITT r n eJ / Q H r t ��Z �� ` � ti,<.t _..._�,. 1 fir! Y t y4 - • vvvlll i F S SiciI w) % I ; 4E :.�v z p. 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Colorado WATER QUALITY SAMPLES ouo r/Mojccr WASTE SERVICES CORPORATION CENTRAL WELD SANITARY LANDFILL DATE July 1992 sec N/A 923-2403 923-2403 aWRR CHECKED REVIEWED FILE 'DWG.IC. suRn KAW RTB WEH 6-1 931061 Golder Associates Inc. / 200 Union Boulevard,Suite 100 " €Older Lakewood,CO USA 80228 �® Telephone(303)980-0540 Associates Fax(303)985-2080 HYDROGEOLOGIC AND GEOTECHNICAL CHARACTERIZATION FOR THE CENTRAL WELD SANITARY LANDFILL WELD COUNTY, COLORADO VOLUME H Prepared for: Waste Services Corporation 5660 Greenwood Plaza Blvd., Suite 400 Englewood, Colorado 80111 • Prepared by: Golder Associates Inc. 200 Union Boulevard, Suite 100 Lakewood, CO 80228 (303) 980-0540 Distribution: 10 copies - Waste Management of Colorado, Inc. 2 copies - Golder Associates Inc. July 1992 913-2403 OFFICES IN AUSTRALIA,CANADA,GERMANY,HUNGARY,ITALY,SWEDEN,UNITED KINGDOM,UNITED STATES 931061 tv➢te t�SypF A"7iRr"M,:^ie�.5�MR�',dC .r t^YF 6 � M .. 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G"a ▪Y y;� p + _ y s.A .. ��w/�.uy t" 4 'd'• 3a #G� 'w ,Zr- ry� if'7e:+.. 6:`vt --•RA . "4 f d'qi 1YS,: o S • rt+, y " '�' a r 1 drti•,4. $wae Eb 4. II al 1 - a 1C?A#-6tv4 a mt.4 ,, i • e CauYy {y •5.:4';''"•`*".'`GolderAssociates ,�� r F ` r 40 g e,ria '`6t^S f'n'°C1{*+ .{ r`ta' ...44V 7N4‘ >2,..),-.?„.., :�..':..+r•. .ba� h''z '" �r�iz '.u•x.JrT4i? ,Mwi# 'f ��.. 'nro':._-^ .e*.%�i MAJOR DIVISIONS GRAPHIC GROUP TYPICAL SYMBOL SYMBOL DESCRIPTIONS CLEAN �• '• •. '..••, .. MIXTURES. GRADED GRAVELS. GRAVEL-SYIO GRAVEL GRAVELS G YY MIXTURES. LIME OR NO FINES AND �.• .'. GRAVELLY DE S3 THAN SOILS • • • GP POORLY-GRADED GRAVELS, GRAVEL- COARSE r LIiIL SAND MIXTURES. E OR NO FINES GRAINED SOILS MORE IWAM SOX OF 4 .I I.COARSE mono,. GRAVEL$ ,I G M SILTY GRAVELS, GRAVEL-:AND-SILT BOHM ON WITH 4 , MIXTURES NO, a SIEVE FINES \`\((��•�II i I P I .1 i�u nNES) \ ). G C CLAYEY GRAVELS. GRAVEL-SANG-CLAY SAND CLEAN ` c\,A l WELL-GRADED SANDS, GRAVELLY SANDS, AND SAND S 'n UTLLE OR NO TINES MORE THAN SOX SANDY OF MATERIAL IS SOILS r ~ 1.185413 THAN �`O POORLY-GRADED SANDS. GRAVELLY NO. 200 SIEVE SIZE 5% FINES) '1S r SANDS. LITTLE OR NO FINES LESS THAN SOY.OF SANDS J 71, 1 COARSE FRACTION TIONON WITH .111 1 111 S M SILTY SANDS, WED-SILT MIXTURES NO. 4 SIEVE FINES \ I Walt THAN \\\,,,• ''.12X TINES) �' S C CLAYEY SANDS. SAND-CLAY MIYTURES C \\ �I ROCK FLOUR.INORGANIC SILTS TY OR MO ECLAYEY FINE RY FINE SANDS. SANDS OR CLAYEY SILTS WITH SLIGHT SILTS M PLASTICITY FINE ��V AA INORGANIC CLAYS OF LOW TO MEDIUM NIT GRAINED AND 4&UITHAD N SOX \ \\ CL PLASTICITY. GRAVELLY CLAYS, SANDY SOILS \\\\\ CLAYS. SILTY CLAYS. LEAN CLAYS CLAYS O L ORGANIC SILTS AND ORGANIC SILTY CLAYS OF LOW PLASTICITY INORGANIC SILTS MICACEOUS OR I, M H DIATOMACEOUS FILE SAND OR tit MORE THAI SOX SILTS 111" F� SOILS OF MATERIAL IA THAN LNUID NWT INORGANIC CLAYS OR Wpl PLASTICITY. NO. 200 SIEVE SIZE ANO MQOE THAN SOX C H FAT CLAYS CLAYS I OH ORGANIC CLAYS OFI MEDIUM TO NIGH PLASTICITY. ORGANIC SILTS HIGHLY ORGANIC SOILS y - _ D T PEAT. HUMUS. SWAMP SOILS WITH MGM I- ORGANIC CONTENTS NOR: DUN.SEISMS ARE USED TO INRCAR IIOROERUNC SOIL CIASSNICAIIONS. 1 ROCK TYPES : :: ; ;: ; 1 SANDSTONE TITLE — _ SOIL AND ROCK CLASSIFICATION CHART e8CligRB Denver, Colorado CLIENT/PROJECT DRAWN OPH DATE JUNE 1992 JOB NO. 923-2403 WASTE SERVICES CORPORATION CI€ t° JAC SCALE - NOT TO SCALE DWC NO./REV. N0. CENTRAL WELD SANITARY LANDFILL REVIEWED EWED FILE NO. FIGURE NO. 240JCLAS.NWC -931061 SOIL BOREHOLE LOG SITE NAM£ AND LOCATION DRIWNG METH00: 3.25' ID, 7.25' CD BORING NO. HOLLOW STEM AUGER GT-1 w SHEET c W WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 1 OF 2 z CENTRAL WELD SANITARY LANDFILL GREELEY, COLORADO oaILLINc IA , s : START _ FINISH t2 '' Nor thing. 371,332.39 WATER LEVEL 20.5' 19.0' 17.3' 17.2' TIME TIME Casting, 2,193,153.00 - TIME 1000 1020 I142 1447 0900 1000 c z - DATE 2/13/92 2/13/92 2/13/92 2/13/92 DATE DATE DATUM NGVD ELEVATION 4812.53 CASING DEPTH 2/13/92 2/13/92 C! '— DRILL RIG CME-55 SURFACE CONDITIONS field Z ANGLE 90 BEARING NA U SAMPLE HAMMER NA TEST RESULTS z illi' 05: Z ��d m SAMPLE NUMBER V?1 te Z.( \2, 2 AND u \< 2 = 3 vz'w DESCRIPTION OF MATERIAL W `— ; Z -� h z w% m O- H Q' U oz O w~ 5 r o' o m 4 O = U J • \ (0.0'-3.0') Very soft, dark yellowish brown, (1OYR ' \ 4/4). SILTY CLAY, some Fine Sand, strongly \.4 Calcareous. some roots, dry, (CL-ML) O _ 2 � CS --_ <3.0'-8.0') Stiff, yellowish brown, (10YR 5/4), — 0 0 0 SILTY CLAY, little fine Sand, strongly calcareous, 3 occasional roots, dry, (CL-ML) — — 3 \\ CS _ `- _ \ z — 7 \w` - z. W \ W \, — z _ ix _ \ - W \ - 0 0 0 LJ I= 8 <8.0'-13.0')Firm, brown, (IOYR 5/3), fine SAND and — — SILT. calcareous, gypsum. damp, (ML-SM) _ 1j • • — T - - a - w 10 O _ v C Cs _ -- — 11 — 12 -- el _ a — — —, rtJ _ M _ 13 (13.0'-14,8') Very soft. yellowish brown, <10YR 0 0 0 Pf — 5/6). fine SAND, trace Silt, calcareous, gypsum. _ i — damp, <SM) — — 14 - C — (14,8'-15.6') Slightly weathered, very weak, light —' Z Z — � olive gray, (5Y 6/1), CLAYSTC O NE, noncalcareous, 4 = - — _ _ 'dEATHERED BEDROCK CS — C = 931061 SOIL BOREHOLE LOG • SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID, 7.25' 00 BORING NO. HOLLOW STEM AUGER GT_1 ' N SHEET w WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 or 2 CENTRAL WELD SANITARY LANDFILL DRILLING u u, GREELEY, COLORADO n START FlNISH z u Northing: 371.332.39 WATER LEVEL 20.5' 19.0' 17.3' 17.2' TIME TIME J a Easttng' 2,193,153.00 TIME 1000 1020 1142 1447 0900 1000 & d DATE 2/13/92 2/13/92 2/13/92 2/13/92 DATE DATE DATUM NGVD ELEVATION 4812.53 CASING DEPTH 2/13/92 2/13/92 H- DRILL RIG CME-55 SURFACE CONDITIONS Field Z 0 ANGLE 90 BEARING NA U SAMPLE HAMMER NA U Z TEST RESULTS J wZ ¢ oZ a z F z0 6j m SAMPLE NUMBER 6 \a K O 7. \<O 2 AND v O Z J 00'^w N DESCRIPTION OF MATERIAL -J Oz ¢W in N z¢ a '" 2 ei Wes-' coo— 3 U mO O 0 3w j _ - • (15.6'-18.0') Highly weathered, extremely weak, - — 16 - - Light olive gray, (51 6/1), CLAYSTONE, WEATHERED — - __ BEDROCK _ - - - - CS - -- 17 V _ _ (16.6') gypsum - - (18.0'-20.5') Slightly weathered, very weak, olive - _ - 18 I gray, (5Y 3/2), CLAYSTONE and silty fine SANDSTONE. — a 0 0 _ noncnlcnreous, WEATHERED BEDROCK - In _ - KLI _- 19 _ LI— i- 2D0 — m_ (20.5'-23.0') Slightly weathered, extremely weak, CS _olive gray, (5? 3/2), CLAYSTpNE andS[LTSTONE, — P—- 21 noncnlcnreous. iron oxide staining. WEATHERED -- BEDROCK — v,_ — z — — W— 22 _ £— Wtt— 0 n 0 u _—- 23 Total depth = 23.0' , - — — 0 - )- Ni —- 24 — `n eI — -- Q I L.J - CD w _- 25 o a — — —- 26 —- 27 — o - o — — a, m l —- 28 . - o• ul1 _ _- 29 —' z z - - 07I-, o - L 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILUNC METHOD: 3.25' ID, 7.25' OD BORING NO. I.IOLLOW STEM AUGER GT-2 SHEET w WASTE SERVICES CORPORATION SAMPUNG METHOO: CONTINUOUS SAMPLE BARREL 1 OF 2 La CENTRAL WELD SANITARY LANDFILL GREELEY, COLORADO oRlLuvc W START FINISH Z Northing, 371,490.99 WATER LEVEL 18.8' 18.6 18.7' 18.7' TIME TIME _i ct Casting 2,193.156,04 , TIME 1140 1150 1445 1416 1020 I125 a ai ^ DATE 2/13/92 2/13/92 2/13/92 2/14/92 DATE DATE DATUM NGVD ELEVATION 4814.27 CASING DEPTH 2/13/92 2/13/92 tY DRILL RIG CME-55 SURFACE CONDITIONS Field Z 0 ANGLE 90 BEARING NA Ca . SAMPLE HAMMER NA C.Q • I- TEST RESULTS Z m J c.�iZ W} o a ~~0 is —I k Q a.a: SAMPLE NUMBER i "_ _` �/O Z AND \< ? op a> o z U H DESCRIPTION OF MATERIAL W - o z a;w d J N > C. Z > W"" m0�' C. I-) m0 <O 5 J 0 V (0.0'-3.0') SoFt, brown, (10YR 4/3). SILTY CLAY, — 1 \ some fine Sand. strongly calcareous, damp, (CL-ML) 0 — _ CS _ 2 3 I:1 • (3.0'-8.0') Soft, brown, (10YR 5/3). SILTY CLAY. _ some fine Sand. strongly calcareous, damp, (CL-ML) — N 4 — s _ 3 S O — m CS - — 6 — - Z _ U \ IX W r" — CJ 8 (8.0'-13.0') Very soft, yellowish brown, (10YR 5/4), — Fine SAND, some silt, gypsum, iron oxide staining, _ n; noncalcareous, damp, (SM) — �' - 9 _ m " I n ' I —. L.,...1 -- (' W _ 1 C, .. CS ., { — 11 - - - f — k(k _ 12 en f - - O v I ru _ Nf el — 13 (13.0'-35.3') Loose, yellowish brown. (IOYR 5/4), — — m �i _ fine SAND, trace sat. gypsum. Iran oxide Staining, _ — noncalCareous. (SM-SP) - - Li l4 - z O _ 4 Z t9 w -- CS - C 9x31061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID. 7.25' 00 BORING NO. HOLLOW STEM AUGER GT-2 a SHEET o: w WASTE SERVICES CORPORATION SAMPUNO METHOD: CONTINUOUS SAMPLE BARREL 2 OF 2 CENTRAL WELD SANITARY LANDFILL ORIWNG W GREELEY, COLORADO a START FINISH 2 a Northing 371.490.99 WATER LEVEL 18.8' 18.6 18.7' 18.7' TIME TIME 0 s Eastinge 2,193,156.04 TIME 1140 1150 1445 1416 1020 1125 c a cl DATE 2/13/92 2/13/92 2/13/92 2/14/92 DATE DATE DATUM NGVD ELEVATION 4814.27 CASING DEPTH 2/13/92 2/13/92 CC H- DRILL RIG CME-55 SURFACE CONDITIONS Field Z 0 ANGLE 90 BEARING NA U SAMPLE HAMMER NA 0 A. TEST RESULTS z w'� w≥ m O V K J 0 aw 0 SAMPLE NUMBER 6 G u. M o E g< 2> m AND v �a j o I J --...<'^o - DESCRIPTION OF MATERIAL w a 3 z -J '^ 2 w� m0- a. " m0 3p 3 02 CC Lill 0 JI 0 a —- 16 (15.5'-17.D') Loose, yellowish brown. (IDYR 5/4),• — Fine SAND, trace Sat, noncalcareous, dump, (SM) — - CS - —1 7— - (17.0'-17.8') Loose. yellowish brown, (10YR 5/4), — _ Fine SAND, trace Sat, noncalcareous, (SP-Ste _ - 18 (17.8'-19.2') Loose, brownish yellow, (IOYR 6/6), — - - Fine SAND. noncalcareous, damp, (SP) — — — A_ _ a _— 19 49.2'-19.4') Gypsum — w _ I — - - (19.4'-22.8') Highly weathered. extremely weak, dark - yellowish orange, (IDYR 6/6), CLAYSTONE and _ —- 20 ..- SILTSTONE. lenses of fine Sand, noncalcareous, wet, O — r WEATHERED BEDROCK —' CO — — — CS — _ — 0 —- 21 — — — Y in U — — Z — _ — w _ — _--— - £ — K - U - - - Total depth w 22.8' — — _— 23 • - 0' N _ _ >- 0 - 24 _ m N - _ o _ _ w <D W —- 25 = o ' J C —- 26 — —- 27 — ^ - — N N — - r — 28 — m H L,J 29 _ z Z — _ CC I — — o li 931061 SOIL BOREHOLE LOG • SITE NAME AND LOCATION DRIWNC METHOD: 3.25' ID. 7.25' OD BORING NO. HOLLOW STEM AUGER GT-3 I En SHEET i WASTE SERVICES CORPORATION SAMPUNO METHOD: CONTINUOUS SAMPLE BARREL 1 OF 2 CENTRAL WELD SANITARY LANDFILL DRILLING W v, GREELEY, COLORADO a START FINISH 0 u Northing' 371.713.50 WATER LEVEL dry dry TIME TIME ...tce Fasting, 2.193.140.76 - TIME 1420 1420 1315 1410 0 ni DATE 2/13/92 2/14/92 DATE DATE DATUM NGVD ELEVATION 482119 CASING DEPTH 2/13/92 2/13/92 CC DRILL RIG CME-55 SURFACE CONOMONS field Z 0 ANGLE 90 BEARING NA 0 SAMPLE HAMMER NA C9 • TEST RESULTS J "ri O o f o SAMPLE NUMBER $� l o ZQ it , AND o .a j 0 zJ 33'nio o 2>- DESCRIPTION OF MATERIAL w z 3� CCU' 7'j in > aw COO a: 0 mO '2 a 2 0 0 La' N 30 (0.0'-3.0') Soft, yeitowlsh brown, (IOYR 5/4), SILTY 1 N 0 CLAY, some fine Sand, strongly calcareous, _ \ occasional roots, dry. (CL-ML) CS 2 \ _ 3 \ N (3.0'-8.0') SoFt, yellowish brown, (IOYR 5/4), SILTY CLAY, some fine Sand, trace coarse to medium Sand, _ \ strongly calcareous, damp, (CL-ML) _ a — 4 - 5 \ c _ \ OS — — C 6 LJ \\\ - I _ ` 41 _ U U 8 \ (8.0'-10.8') NO recovery - — — i r P = y - m - NR — 0 W _ 0 L_ — 10 0 < J - \\ (10.8'-12.6') Soft, brownish yellow, (IOYR 6/6). — 11 \ SILTY CLAY, some Fine Sand, trace coarse Sand, trace _ fine Gravel, strongly calcareous. damp, (CL-ML) _ 3 12 (12.6'-13.0') Loose, yellowish brown. (IDYR 5/4), CS — n \ Fine SAND, trace Silt, noncalcareous. gypsum, (SP) \ _ ni n. — ' (13.0'-15.0') Loose, yellowish brown, (IDYR 5/4), _ n 13 Pine SAND. trace Sat. noncalcareous. gypsum, (SP) — o, _ — 14 — oo z . - 0 - m CS - a p -) _ 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILUNG METHOD: 3.25' ID, 7.25' 0 BORING NO. HOLLOW STEM AUGER GT-3 N SHEET u WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 2 OF 2 i CENTRAL WELD SANITARY LANDFILL DRIwNc W GREELEY, COLORADO s START FINISH z u Northing: 371,713.50 WATER LEVEL dry dry TIME TIME _J a Easing: 2,193,140.76 TIME 1420 1420 1315 1410 c a: • DATE 2/13/92 2/14/92 DATE DATE DATUM NGVD ELEVATION 4821.19 CASING DEPTH 2/13/92 2/13/92 CC (— DRILL RIG CME-55 SURFACE CONDITIONS Field ZO . ANGLE 90 BEARING NA U SAMPLE HAMMER NA O l TEST RESULTS J tZ zW≥ CO n 00 K _J i4 ,oa.Lu 0 SAMPLE NUMBER i \Q K 2 P p w N DESCRIPTIONOF MATERML 3Oz a:w c j o 2 0 00— `� mo "'z y so 30 0 (15.0'-15.5') Highly weathered, extremely weak, _ brownish yellow, CIOYR 6/6). CLAYSTONE. — _- 18 noncalcareous. dry, WEATHERED BEDROCK _ — (15.5'-16.7') Highly weathered, very weak, yellowish CS — - - brown, (1OYR 5/4), Fine SANDSTONE, noncolcoreous. _ — 17 =_ dry, WEATHERED BEDROCK — - (16.7'-17.5') Highly weathered, extremely weak, _ brownish yellow. (1OYR 6/6), CLAYSTONE, - - 18 noncalcareous, iron oxide staining, dry, WEATHERED — — — BEDROCK — (17.5'-18.0') Highly weathered. extremely weak, a w 9 yellowish brawn, (lOYR 5/4), fine SANDSTONE - _ noncalcareous, dry. WEATHERED BEDROCK _ - 20 • (18.0'-20.5') Highly weathered, extremely weak, yellowish brown, (10YR 5/4), Fine SANDSTONE. O — CO noncalcareous, dry, WEATHERED BEDROCK CS — — C 21 • (20.5'-23.0') Highly weathered, extremely weak, _ - - yellowish brown, (10YR 5/4), Fine SANDSTONE. - - _ noncalcareous, dry, WEATHERED BEDROCK _ I" — 22 (23.0'-24.0') Highly weathered. extremely y weak, _ - yellowish brown, (10YR 5/4). Fine SANDSTONE. - w noncalcareous. dry. WEATHERED BEDROCK _ ex 23 (24.0'-24.I') Gypsum — - - (24.I'-25.2') Highly weathered, extremely weak, - P' — 24 brownish yellow, C1OYR 6/6). CLAYSTONE lenses of - m es ———fine Sand.noncalcareous..ron oxide staining •-. — dry, 6 - WEATHERED BEDROCK CS CS _ CZ 25 - - 25.2'-25.5') Highly weathered, extremely weak, _— U - " - yellowish brown, (IOYR 5/4), fine SANDSTONE - JJ C - ' - noncalcareous, iron oxide staining, dry, WEATHERED _ BEDROCK - - 26 — Total depth = 25.5' _ - I — 27 n : _ e N • - - - - _ rf 28 — P 29 _ . z c - - z - _ m 931061 . SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID. 7.25' 0D BORING NO. HOLLOW STEM AUGER GT-4 of SHEET z LA WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 1 OF 3 CENTRAL WELD SANITARY LANDFILL omLUNc i GREELEY, COLORADO WCC START FINISH thing: Z V Nor East ng� WATER LEVEL dry 26.3' TIME TIME TIME 1700 1357 1500 1700 a a: CI DATE 2/13/92 2/13/92 DATE DATE DATUM NGVD ELEVATION CASING DEPTH 2/13/92 2/13/92 DRILL RIG CME-55 SURFACE CONDITIONS field Z ANGLE 90 BEARING NA O 0 SAMPLE HAMMER NA (.) • ~m TEST RESULTS J = n� N __I ZL.2 �w o SAMPLE NUMBER i 04N -Q \60 AND \6 N J CC a:w 3'1'0 ,- DESCRIPTION OF MATERIAL w z ') j 0 J wW a N a. Qw =CC % 5 CO0 QO J I a 3Vri (0.0'-2.5') Stiff, brown, (IOY3 5/3), SILTY CLAY, - 1 strongly calcareous, numerous roots, dry, (CL) O _ _ 1 — CS - 2 \ (2,5'-3.0') Very soft, brown, (10YR 5/3), CLAYEY — — SILT, strongly calcareous, numerous roots, dry, (ML- CL) —- 3 _ — (3.0'-6.8') Loose, pale brown, (10YR 6/3), Fine SAND, trace sat, strongly calcareous. roots, dry, — '^ — 4 (SP) — z — _ — 5 0 __ > CS - m —- 6 _ p _ N -' (6.8'-8.0') Stiff, very pale brown, (10YR 7/3). — z CLAYEY SILT, trace coarse to fine Sand. strongly — 2 - \ calcareous, roots, dry, (ML-CL) —_ La Li • - 8 \ - -i \ N N S _ g \ (8.0'-10.4') Stiff, very pale brown, (10YR 7/3), _ m T — \ CLAYEY SILL trace coarse to fine Sand, strongly — C calcareous, roots, dry, (ML-CL) _ U 10 \ O - O W O — (10.4'-13.0') •TE - \ Loose, light yellowish brown, (10YR CS _ '-' — 6/4), fine SAND, trace Silt. noncalcareous, damp, - — 11 (SF) _ 12 — m -- - RI ' _. _- 13 I (13.0'-15.2') Loose, light yellowish brown, (10YR - ci v! — 6/4), Fine SAND and SILT, noncalcareaus, gypsum, - - damp, (SP-SM) — — — w — 1 4 — O C _ — Z = 4 O — m L.) - CS -. O J u- 931061 SOIL BOREHOLE LOG i SITE NAME AND LOCATION DRILUNC METHOD: 3.25' ID, 7.25' OD BORING No. HOLLOW STEM AUGER GT-4 in SHEET w La WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 OF 3 CENTRAL WELD SANITARY LANDFILL DRILLING W in GREELEY, COLORADO cc START FiNISH = ''a' Nprthing+ WATER LEVEL dry 26.5' TIME TIME J z Eastingt J TIME 1700 1357 1500 1700 c DATE 2/13/92 2/13/92 DATE DATE DATUM NGVD ELEVATION CASING DEPTH 2/13/92 2/13/92 C= DRILL RIG CHE-55 SURFACE CONDIPONS field Z ANGLE 90 BEARING NA U SAMPLE HAMMER NA C7 m TEST RESULTS Z fiLi/r. rc^, e< J o d� SAMPLE NUMBER o tt S Kr( Aso m AND o '≥ r 0 x� 0"w N DESCRIPTION OF MATERIAL w in in 0 z °w o id N > `aw ZCC a U o w2 J Z o w... COO"' m a0 J U 16 (15.2'-17.3') Loose. light yellowish brown, C10YR — 6/4), Fine SAND and SILT, noncalcareous. gypsum, — — damp, (SP-SH) CS — - 17 :17.3'-20.5') Highly weathered, extremely weak, - orownish yellow, <IOYR 6/B), SILTSTONE and - - .-. CLAYSTONE, interlaminated with fine SANDSTONE, - — noncalcareous, iron oxide staining, gypsum, damp, — - 18 =__ WEATHERED BEDROCK —' — _ — I- i — 3 � - • C20.5'-23.0') Highly weathered, extremely weak, CS — — - • moderate yellowish brown, (10YR 5/4), SILTSTONE and - - 21 - Fine SANDSTONE, interlaminations of CLAYSTONE, — ....- =- • • coarsening downward, noncalcareous, damp, WEATHERED - _j BEDROCK — in — •. — a -- 23 — — -i :23.0'-25.5') Highly weathered,<IO, extremely weak, moderate yellowish brown, <10YR 5/4), fine — nJ m. — - SANDSTONE, some intertaninated SILTSTONE, - - 24 - noncalcareous, iron oxide staining, damp, WEATHERED - m m - BEDROCK — - - C W T CD - 25 © - I— C) a CS — J L. - (25.5'-27.0') Highly weathered. extremely weak, — _—- 26 _. moderate yellowish brown, (IDYR 5/4), SILTSTONE and — - y _ fine SANDSTONE, noncalcareous, damp, WEATHERED - BEDROCK — • - 27 - (27.0'-28.0') Highly weathered, extremely weak. - n I - - light olive gray, (5Y 6/1), SILTY CLAYSTONE, - - - - noncalcareous, iron oxide staining, damp, WEATHERED - m _ BEDROCK _ - 28 (29.0'-29.2') Highly weathered, extremely weak, dark - o• - "' yellowish orange, (10YR 6/6), SILTSTDNE. - --- noncalcareous, damp, WEATHERED BEDROCK — -- 29 - (29.2'-30,5') Highly weathered, weak, orongish brown - 0 — _= to gray, CLAYSTONE interinn:nn tetl with SILTSTONE. 7 — Z Z — _—_ noncalcareous, damp, WEATHERED BEDROCK O CC u-i - - — CS - 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID. 7.25' ❑D BORING NO. HOLLOW STEM AUGER GT-4 N SHEET a Lia WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 3 OF 3 ? CENTRAL WELD SANITARY LANDFILL DRILLING Li GREELEY, COLORADO W 14 START FINISH u Northing: WAS LEVEL dry 26S TIME i1ME Enst:ng' d TIME 1700 1357 1500 1700 0 ii DATE 2/13/92 2/13/92 DATE DATE DATUM NGV➢ ELEVATION CASING DEPTH 2/13/92 2/13/92 EC H- DRILL RIG CME-55 SURFACE CONOITION5 field Z ANGLE 90 BEARING NA O 0 SAMPLE HAMMER NA 0 Ci z.- m TEST RESULTS J Z0 4k o SAMPLE NUMBER 0 Oz K , K Ivi D \'^O DESCRIPTION AOFMATERIAL i¢i 0 3u 12 'tn Z 6w O2W Cr a OZ KW O N o' y ₹V 7 _ CS - _ Total depth = 303' _ — 31 - — 32 - _- 33 - - N 34 _ I _ - i ; — 35 - _ r - _ m - _ c _— 36 — - C3 z _— 37 — W D.' —_ — LI — 38 - _ - - N — — 0' I _ 0 39 — m m ' -- - p ' 'I - _ w — 40 -.-.. 0 - _ _4C C — 41 —. - 42 - n I _ o — _ r — — cli eI - - 43 U L: - — w 44 O ¢ _ - z z - c Li- 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION ORIWNG METHOD: 3.25' ID, 7.25' OD BORING NO. HOLLOW STEM AUGER GT-5 SHEET u WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 1 or 3 CENTRAL WELD SANITARY LANDFILL DRIWNG w v, GREELEY, COLORADO ce START FINISH z a Northing' WATER LEVEL dry TIME TIME _i a Easting' TIME 1400 0745 1010 c ci DATE 2/14/92 DATE DATE DATUM NGVD ELEVATION CASING DEPTH 2/14/92 2/14/92 a - DRILL RIG CME-55 SURFACE CONDITIONS Field Z ANGLE 90 BEARING NA O SAMPLE HAMMER NA O Z l- TEST RESULTS — m La W J- • pz U I8,2> , tit J "0 n w SAMPLE NUMBER 4 a l - O -a �> 0 AND v �a map =kJ 300 a DESCRIPTION OF MATERIAL w i O W w p N ≥ N 0 w—' m0a 6. o m0 Li'2 O J 0 30 7 \ 'i.',, (0.0'-0.9') St:FP, dark yellowish brown. (10YR 4/4), CLAYEY SILT, little fine Sand, strongly calcareous. _ 1 1 04L-CL) _ - \ (0.9'-1.9') Very stiff, very pale brown. (10YR 8/3), O - SILTY CLAY, little fine Sand, strongly calcareous, CS 2 • . ory. (CL-ML) — ; ; (1.9'-2.6') Very soft, pale yellowish brown, (IOYR L.,,,,, 6/2). SILT and Fine SAND, strongly calcareous, dry, 3 ` ML-SM) — — - (2.6'-3.3') Very stiff, very pale brown, (IOYR 8/3), _— — SILTY CLAY, little fine Sand, strongly calcareous, — cc I 4 dry. (CL-MI.) O — 2 — CS — � I 5 — — (3.3'-6.0') Loose, light yellowish brown, (IOYR - CC - 6/4), fine SAND, sone Silt, strongly calcareous. —— damp. <SM) Q 6 _. — Y — - — z _ 7 NR _ u (6.0'-8.0') No recovery — w — — a< — — u - $ l (8.0'-13.0') Stiff, yellowish brown, (10YR 5/6). N SILTY CLAY, and Fine Sand, trace fine Gravel, — a \ strongly calcareous, gypsum, damp, (CL-MU )- m_ cc- 9 \\\ _ ` I — C — 10 \ O _ o C \ CS — _ 11 — — 1 - 12 \ - \ — Cli H <13.0'-13.8') Loose, yellowish brown, (10YR 5/6), — 'n _. - 1.3 . . . Fine SAND and SILL trace Clay, strongly calcareous, _ o' z: — . . . - damp, (SM) - i... - 14 C13.8'-17.l') Very loose, yellowish brown, (10YR Z < — 6/6), fine SAND, Some Silt, strongly calcareous. — Z - damp, (SP-SM) O - co w — • CS — 9 L-:- 931061 SOIL BOREHOLE LOG • SITE NAME AND LOCATION DRIWNG METHOD: 3.25' ID. 7.25' 0D BORING NO. HOLLOW STEM AUGER GT-5 SHEET u WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 OF 3 Z CENTRAL WELD SANITARY LANDFILL DRILLING 2 GREELEY, COLORADO W VI START FINISH Z Northing: WATER LEVEL dry TIME TIME z Eastmg: TIME 1400 0745 1010 7.O of PATE 2/14/92 DATE DATE DATUM NGVD ELEVATION CASING DEPTH 2/14/92 2/14/92 K DRILL RIG CME-55 SURFACE CONDITIONS Field Z ANGLE 90 BEARING NA (> SAMPLE HAMMER NA C) TEST RESULTS Z wr 3w>: Cz a 8 v is J_ 1`3 waw ij SAMPLE NUMBER < C 05 K 5 ce 3`a a> m AND o �a j C it, 0 w N DESCRIPTION OF MATERIAL w Emu rig o J N oy mo- mo ao o = O 1 3U - k - — 16 - - CS - - 17 I - C17.1'-18.6') SUFf, brownish yellow. (1OYR 6/6), — — CLAYEY SILT, some Fine Sand, strongly calcareous, — CML) - — 18 - - j _ (18.6"-19.8') Highly weathered, extremely weak, dark - H 0 — 1 9 -- yellowish brown, (IOYR 4/4). SILTSTONE. — _ — --- noncalcareous, dry, WEATHERED BEDROCK - — 20 • • - (19.8'-30.5') Highly weathered, extremely weak, O — brownish yellow, (IOYR 6/6), Fine SANDSTONE — OD -- interlaninated with SILTSTONE. noncalcareous, CS — _ - dry, WEATHERED BEDROCK - Cl _— 21 - — s — N C Z — W — 22 _ — z _ _ W — — a _— 23 — — --IP _, Y OD m GO _— 24 __• - QI W - 25 - © — 0o a —CS— J — — 26 — 27 — en N H— 28 • P ul _ 29 07 — Z a - • -_• — cc J __ CS — O� l` 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION GRILLING METHOD: 3.25' ID, 7.25' CD BORING NO. HOLLOW STEM AUGER GT-S N SHEET c W Lo WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 3 of 3 z CENTRAL WELD SANITARY LANDFILL DRILLING GREELEY, COLORADO ce START FlNISH _ = LWj Nor thing: WATER LEVEL dry TIME TIME _, s Ensting, TIME 1400 0745 1010 ¢ z c DATE 2/14/92 DATE DATE DATUM NGVD ELEVATION CASING DEPTH 2/14/92 2/14/92 CC DRILL RIG CME-55 SURFACE CONDITIONS field Z ANGLE 90 BEARI NG NA � SAMPLE HAMMER NA - () m TEST RESULTS Lug -',IA o a o2 L. J SAMPLE NUMBER ₹ ' (nEt z≥ �<O 2 AND �u X 0 -, aza p1 DESCRIPTION OF MATERIAL w a a w a J nl ? ozI o we 42 u ai0 `ao y U • 'La CS — Taut depth = 30.5' - - —- 31 - —- 32 33 —- 34 - s _ I _ - - 35 - > - - m _ - o — 36 p _ - f, - - z — 37 - w - - z - s _ — u _— 38 - - - N O' —- 39 m - - c T - - w — 40 = 0 Q — — J O —- 41 — — _ — _ — _ -- 42 — rn o — — O — _ P C,— "4I in —- 43 — P V — — L. _ 44 - Oz — — Z — — m w — 0 -, c_ 931061 • SOIL BOREHOLE LOG SITE NAME ANO LOCATION DRILLING METHOD: 3.25' ID. 7.25' OD BORING NO. HOLLOW STEM AUGER GT-6 N SHEET u WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 1 OF 3 CENTRAL WELD SANITARY LANDFILL DRILLING I3 GREELEY, COLORADO START FINISH 2 ix u Nor thing. WATER LEVEL dryTIME .4 K TIME Easting' TIME 1406 1045 1234 c DATE 2/14/92 DATE DATE DATUM NGVD ELEVATION CASING DEPTH 2/14/92 2/14/92 O_ 1— DRILL RIG CME-55 SURFACE CONDITIONS field Z 0 ANGLE 90 BEARING NA U SAMPLE HAMMER NA C' TEST RESULTS z Ei`., a:,., m x _I �0z �� o a O'° a w nu SAMPLE NUMBER o4 Z N E C ?;t 3> m AND n �< 0 =LA 33>iW N DESCRIPTION OF MATERIAL w z Z mzWz j� J in > aw m2O a: 1 0 G'0 300 3 2 O z, .75 - C0.0.-3.0') Stiff, yellowish brown, (10YR 5/4), - - SILT. Tittle fine Sand. trace Clay, strongly — 1 calcareous, gypsum, dry, (ML) a _ — CS - — 2 - 3 (3.('-7.0') Stiff, yellowish brown, (10YR 5/4), — - — SILT, little fine Sand, trace Clay, strongly - - calcareous, gypsum, dry, (ML) _ 1 I 4 — i - - - i - 5 - m - CS - - a 6 - Y - - U - -' Z ' w(7.0'-7.T) Very loose, yellowish brown. <IOYR 5/6), - 1 - fine SAND. trace Silt, strongly calcareous, roots, - u, dry, (SP) 0 — 8 — - - m m_ _ . 9 (7.7'-I1.4') StiFf, yellowish brown, <10YR 5/6), — >-m m SILTY CLAY and fine SAND, strongly calcareous — e — damp. (ML-CL) _ C I 10 O - CC -. o CS f O 11 — (11.4'-13A') Very loose, yellowish brown, (10YR _ — 5/6), fine SAND. some Silt, noncalcareous. roots. — — 12 dry, CSM) — ^ _ — P — — , '4I 12 ,-1 — 13 (13.0'-15.0') Very loose, yellowish brown, (10YR — _ o, LSI 5/6), fine SAND and SILT, noncalcareous, roots, _ — dry, <SM) — • — 14 — w Z — O — co W — CS -- C 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID, 7.25' 00 BORING NO. HOLLOW STEM AUGER GT-6 in • SHEET w imi WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 of 3 CENTRAL WELD SANITARY LANDFILL DRILLING w v: GREELEY, COLORADO a: START FINISH 2 GI Northing: WATER LEVEL dry TIME TIME _i IX Casting: TIME 1406 1045 1234 0 ce DATE 2/14/92 DATE DATE DATUM NGVO ELEVATION CASING DEPTH 2/14/92 2/14/92 CC DRILL RIG CME-55 SURFACE CONDITIONS Field Z 0 ANGLE 90 BEARING NA 0 SAMPLE HAMMER NA 0 Z TEST RESULTS J w" wr O° K J O PP " a Q p SAMPLE NUMBER G D O o z K 0 Sao nU _ m iw 331A° N DESCRIPTION NOF MATERIAL w a 33 Ww o J N o U m0 2 5 I 0" 0OC co a 3U J — 16 — (15.0'-18.0') Stiff, dark yellowish brown, (10YR Ns 4/4), SILTY CLAY, trace Fine Sand. Strongly CS — calcareous. danp, (CL-ML) 17 \ — — t8 — — K — 1 g (18.0'-21.0') Highly weathered, extremely weak, — brownish yellow, (10YR 6/6), Fine silty SANDSTONE, — noncalCnreous, laminated, iron oxide staining, dry, — WEATHERED BEDROCK — 20 0 — m (21.0-21.4') Highly weathered, extremely weak, light CS — olive brown, (2.5Y 5/3). SILTSTONE, noncalcnreous, — O _- 21 laminated, dry, WEATHERED BEDROCK _ v — (21.4'-23.0') Highly weathered, extremely weak, — ,n U brownish yellow, (10YR 6/6), Fine silty SANDSTONE. _ Z 22 oncnlcnreous, moist, WEATHERED BEDROCK _ a w s — • — u - 23 23.0'-25.0') Highly weathered, extremely weak, - -, — brownish yellow, (10YR 6/6), Fine silty SANDSTONE. — m noncalcnreous, moist, WEATHERED BEDROCK — r m — 24 co o P w © v — • O 25 (25.0'-28.0') Highly weathered, extremely weak. — J C — olive brown. (2.5 Y 5/3), Fine SANDSTONE and CS — 'mterlaminated SILTSTONE, noncnlcareous, iron oxide _ — 26 staining, damp, WEATHERED BEDROCK • - - I _— 27 o — — N d — ..... n — 28 (28.0'-30.5') Highly weathered, extremely weak, — — —a., "!, - olive brown, (2.5 V 5/3), Fine SANDSTONE and _ ' '— interlaminated SILTSTONE, noncalcareous, Iron oxide — . - 29 staining. damp, WEATHERED BEDROCK ,, b Q Q m H CS - 931961 SOIL BOREHOLE LOG SITE NAME AND LOCATION ORILUNG METHOD: 3.25' ID. 7.25' 0D BORING NO. HOLLOW STEM AUGER GT-6 in SHEET W WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 3 of 3 2 CENTRAL WELD SANITARY LANDFILL DRILLING Z H GREELEY, COLORADO W START FINISH Oz u Northing+ WATER LEVEL dry TIME TIME J 2 Eastingt -I TIME 1406 1045 1234 Cc' of DATE 2/14/92 DATE DATE DATUM NGVO ELEVATOR CASING DEPTH 2/14/92 2/14/92 CC DRILL RIG CME-55 SURFACE CONDITIONS field Z ANGLE 90 BEARING NA U SAMPLE HAMMER NA 0 Z TEST RESULTS _ m wz -w- O n OU N J s4 �c m SAMPLE NUMBER AND \Q N I IX .e, --n8 vZ}i DESCRIPTION OF MATERIAL u - o z n'z p nl ≥ aw _,za d �p �+z x p ov mo m O 3U - Total depth = 30.5' CS _, —- 31 — - 32 — 33 — — — N _ K -- 34 — — i —- 35 - - — r co - o _-- 36 Y — — v U — z 37 I s --- 38 at — • — >- ni — 39 — 0O m _ _ — — o w — C7 LU 0 I- - 40 - G -- 41 — — 42 m —— o - Nkei _ — m - 43 • _ m 1 — 44 — O 4 — - Z Z m w O 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID. 7.25' 0D BORING NO. HOLLOW STEM AUGER GT-7 (n SHEET w WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 1 OF 2 ? CENTRAL WELD SANITARY LANDFILL DRILLING Z ,,, GREELEY, COLORADO La cc W START FINISH Northing, 371,634.40 - lJ . Fasting 2,193,784.89 WATER LEVEL 20,3' TIME TIME m a TIME 845 I 745 845 o c DATE 3/27/98 DATE DATE DATUM NGVD ELEVATION 4795.41 CASING DEPTH 3/27/92 3/27/92 CC DRILL RIG CME-55 SURFACE CONDITIONS dry/sparse grass Z . C) ANGLE 90 BEARING NA (.) SAMPLE HAMMER NA 0 TEST RESULTS z m J wz w)- J o a Oct K a V SAMPLE NUMBER O, K Ma �1p m AND u �� j 0 xi 3v1w v'i DESCRIPTION OF MATERIAL w „4--, 3" w m '^ 2 w� mo a: a. 0 ozo 37 3 i o m i m (0.0'-1.5') StiFF. brownish yellow. <10YR 6/6), - _ CLAYEY SILT, calcareous, roots, damp (ML) _ - 1 O - (1.5'-2.0') StiFF, yellowish brown. (1OYR 5/4), \� SILTY CLAY, calcareous, damp, (CL) CS 2 (2.0'-3.o') Highly weathered, extremely weak, dark _ yellowish orange, CIOYR 6/6), silty Pine SANDSTONE, - weakly laminated, noncalcareous, iron oxide - - 3 staining, gypsum, WEATHERED BEDROCK —_ _ • - - 14 - 4. ce (3.0'-8.0') Highly weathered, extremely weak, dark - w yellowish orange, (IOYR 6/6) and medium dark gray, - _ CN4), silty Pine SANDSTONE inter-laminated with - j _ CLAYSTONE, noncalcareous, gypsum, damp, WEATHERED _ — 5 BEDROCK ._ - CS - C - - CS - _ _ c - — 6 — - u - _- z-— 7 — w w 2 - 8 - - (8.0'-13.0') Highly weathered, extremely weak, dark - - -- gray, (N3) and dark yellowish orange, <10YR 6/6), - m _ - - CLAYSTONE interlaninated with silty Fine SANDSTONE. _ }. m — 9 _- noncalcareous, gypsum, damp, WEATHERED BEDROCK — m _ - - -90% CLAYSTONE _ o T c7 0 O _ J y CS — — — 11 — - 1 2 _ _ — r, i - - o N - 13 _- - (13.0'-18.0') Highly weathered, extremely weak. dark — — o, - gray, (N3) and dark yellowish orange, (IOYR 6/6), - _ - CLAYSTONE inter-laminated with silty Fine SANDSTONE, • _ _ - - noncalcareous. gypsum, damp, WEATHERED BEDROCK - ' - — 14 - - — o C - -60% CLAYSTONE ® - Z Z m - -_ CS O - 901061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID. 7.25' OD BORING NO. HOLLOW STEM AUGER GT-7 SHEET W Li WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 OF 2 z CENTRAL WELD SANITARY LANDFILL GREELEY, COLORADO oRIWNc z a START FINISH Z Northing, 371.634.40 WATER LEVEL 20.3' TIME TIME II Ix Costing 2,193,784.89 TIME 845 745 845 0 ci DATE 3/27/92 DATE DATE . DATUM NGVD ELEVATION 4795.41 CASING DEPTH 3/27/92 3/27/92 Of DRILL RIG CME-55 SURFACE CONDITIONS dry/sparse grass Z ANGLE 90 BEARING NA C, SAMPLE HAMMER NA C' ,- TEST RESULTS71 W Z A.W 1. O a 6 Z K Q a W 23 SAMPLE NUMBER g Z z a -. o' m AND v .< it �p x> p#Vl W y DESCRIPTION OF MATERIAL w w. 3 v z cc u-i a -. N i Q.% mom a oz I.,� z O 5. o `� COQ ao 3u -- 16 - - — CS - ~ 17 -_7 — 18 . _ - -- (18.0'-23.0') Highly weathered extremely weak. dark — I- gray, (N3) and dark yellowish orange. (10YR 6/6). — ac ac —- 19 -- CLAYSTONE interlaminoted with silty Fine SANDSTONE. — i — -- noncalcareous. —I gypsum damp, WEATHERED BEDROCK — ,.` - 20 ` _ Grades to 100% SANDSTONE - ico y- o _ CS o — 21 _y _ - LI — 22 �_ — a kJ _ cc 23 Total depth = 23.0' — —. -.. Mi 0' O� — — co "—.. 24 ›-0:1 ,, C L,yJ — — (,J I...b"... . 25 I-- E = - 26 - - - - 27 —� r+ —— o ..- * fU 28 ':1I _ - w — 29 O•- z - - z _ - m - -. o t -, I: 931061 r , ,9s ,P.'4+ t':;",;:; '..te$�'o-n'�T�'v >F7nf ,g.�. .te + >»* + .r _k'j:m.'",•n�`'ni ,Ka"l,rt �,nSA racy 9. . :.fi` �r<> 3� t4Y..:. a ... 4 c. a , , n { * ,..t,r� 'c'�' f."'Y7�t' +'k'r+4" a. rt4-,-,n.r > y .pi ti. ty ,I+t y]a r �.v xi'x, +-^{yx .4u '1=<;};',:44'4; r A _ a.-+'.u}e . ,,N.,- ..;,...4:,..e.."; '. s r a e.-“: rn o a '3- ; > t Pl- ,y Ac x t :: 4, i s v :r 3.. w 4n' u s r. r r 4-, • , 444 .4,4%,44. -+4' '',.11.0-”,' v v .. .;,-,r.";..!',.',04...."."' •� r w r ."a- T mSJSeit,:.:':^•> P-v- .e S •n x. y :'''',,,;;I.,,&4.FA "Z "a t-4.#:-I-1;0.7 fix^ K'� a kt ♦. f., L ir - - - "'' ' 'nom]Axl", H r .'C t` fs "s�, s, �s;�yf� } .. >+. - rs�`afs`i'e$„!.,o- ,� '+` '-'�` -�u' c' "�. r` 444-`- t .r #a}a ers,a2' #Krutip!€f '` ses:'^4: `4"1f�X,,,-Yrs' .4?w.,: �. 'w..x h.,,,,, a, s s..� ,� s.,. . • APPENDIX B . . GROUNDWATER MONITORING WELL LOGS i:a �+'n 2..a..a.., 5... .a 4—u., wr'.44;, ba++lr'sf,.f',mhAva 3R;^ 'S Si °six..e 3X.i.P..ay. 4kr •.? '.. •+e+. "-' . ..,r.. r:erf*.}�'V�C (v �1k'.�y :. �a.:Ti^+'y Y-• w - + •,..:..�} y v K .f'sx rL _ #k, tom' s '+`f ar k, , i . , � S °�' :... its....4,-,,,,-,..71/444,5i4,,,,,d �� xYs rt ci K '•� p 1.4% y � 4ah'r R,'� � "v,sy� � sa ' 7-4.4.....,s-' e'.0 z '1f•, T . ,°i, i:, +::, r . iK _, ,v. 3 d N J '4 i mi •4ix . , . >a' - 11,,,,,,,;:‘,...,.,‘,....t` '2U-...,71.>"%,, p 1/49^-1”1,1,4,5". ..«`1M1 x h u r �, Yry4" �,,.6 ,a,Mte- d $ ♦ f L . ,fir, �•.•� . j y �. P� hr r'j1 M r < 4 .e 4"4. t, 'f'}f l'Yr.'f" .:A"TXI PAX 2 , ' 5 ra,, ,3'„3. i"•S 4 f Sy k . 4ry W. "'• 1 ' iY } } 4 ✓ , 4 tZ,R4 .- I.y 1 4.4:'-'..11.41'N':: f,"4.1.,41.0.4:44,614,,A+ " �.� pxa�`'K�iYrO't ;�" , #' '� r r ',, r 5 „,4,".e e[ 4 $ , � ct ---We t;1; �,� { -.V,,.{?..0 '5"�':`; .rz 4.4 , r"r ! d k4 i.:4.,, 4:;; ,,1 yyr•E`7 Ktt.`1 x} S1er <,k1,4A b"k n, .they i ,:05et 713 1•.} i ,9 , tt x -, i ev ! 3 rr yy a b42.y r r h Sv ' .1 1 a... F ' ^'i^-1p:: C Yf ;t w t h,k! t r n. rRr a ^ey k so rµ 14 ti Y S.(I 3' .n < .� y,. t , A it r '<r,'2 . 2� ✓ �T.. fY. Ls.` ' r'A*. x` '4 r" +tt - , t:.=<�•s� f f 5 �s F� ;0� � k � % od t a K"�'a�Y 41 P t� ,l fl " e r r i s x Y ? 'j r dw a.i: 1,1,yn;:' ?1: ..:h d y y -'t:{1 If:c' C43 M, L. ' 3 F a' rx r' 4 a '; 1 > TS41 _y is r 'I ,K ¢{ ut sr- -� 1 >Y3-• r +n k v _ t-._ »-'�, r e e7 ] t A is -.K� �"zx �, v ��eF--jp`.. h ! .w '3� t- 't: -I.', 'r- K J S t.1 7 .fir ! '� . yyy,. �y ' i[) M� ✓` Y 'i C k` y 7'Ms d ' •}' ''.....4,4;044-444'44.4,'p.'it ! SC'!r-i ' N * -- , .: - ' r ti.` cS s��* .' �{ vSt 1c .44, F °b' ,, 1y`i, f, `�r'Y. y.tnrt1SY j' i'nts4. 414, r }r�.w>ti A'A.t z`,.# p. ;, k. 'al 2 .M ry '' !g '' x"'' L ; `3 '3� e ^46:4 ,4 1 e re sst,''a ts4* ..e r44.,".404:44,11.4. :It 7. i'1 z1. p !4r k A i c," 3 f "[ n + i•rY . r tt��ic @ w2 k r4 S91�2 /3 y .. - Y i I.'‘et,,,,Y i .d F y+ 4�• r• FNp ,,,a fm. „.u4 .„ „.. a T¢r t y r i 4:n'4 ,.. .e 4 .; 4 ,. 3,z ;Js , i" i7 y s f._ ' ' s;-. .7 r ZuP.Y e .":,,,'",...6(,,,f t 8 ci:ypar , r i +xr?t+v. r 4 t, Y ,t °} 4 :a.r" `!§d a'"dam ti `Ylrr ;r f - �. 4a s. c r „,-, w y ' kd "sC da A 4, ' 4 w J.+u , y, } , t8 y ®A, ' "y: ;J , dry, �k� Y `aka tl� .i{ �� —il7y,4 f,- �h` 4!".#410. " ye.. rii s a Golder Associates r ��.ePfib�st- zz?+"'fit'#ro 4,ti •490,„, y''K Mk4v'r .. ! ,11"i'r j�ly -I"f f-' ,t 44 +C. 444.-- "r)•F'".a�A.,.l-0 -4 �y f fe 'I' 9 u 6.er MM ak .v+� r :YS "1":.y nt.,-, A'. -a l�..x Ile t'✓'t.:,q. "#i ,. ti`i'. � � Val , �' f .s'tv :..a. tr .# ,. i,.,s d J.. x n.a r.. ..t d'•'i'. 1 MAJOR DIVISIONS GRAPHIC GROUP TYPICAL SYMBOL SYMBOL DESCRIPTIONS CLEAN •,••'• . .. • . WOW=wELL-GRA u sRGRAMS. tFNYEt-sAMo GRAVEL GRAVELS G W WOW= urns a No rolls AND :- GRAVELLY LABS Mw SOILSsz ^ ) G P YID comas.OR no C AINSE FRCS GRAINED SOILS NOSE Nu SOS or 1 GRAVELS VII'1 ri.Ai . Gant ON M WITH I I l i F I :- G M 30. ORS YDi aYY6-SIIY-50.T REIAIREO n0. . SIM FINES ;7. . �.i • ttt O&M MAN lu fIM($1 :\^ G C Ww'fUmR[SYFL3. GRAVEL-yMO-CLAT SAND CLEAN • '�, WCV,-a1.OEO 5µ M 0S.0YOLY SANDS. AND SAND • .... S W LITTLE OR NO FVC . wait NNAN 502 SANDY or NATERµl 6 SOILS vEJAMS S P MALT-GUM TAROS. UMW? M0. 100 LEYE SR Swiss MES) LNOS. LITTLE OR NO MKS LESS THAN5OV OF SANDS 1i11j1 I1: COARSE F on oN WITH I!1 411 {1.]1 1 S M SILTYSln0S. LNO-SLL IYN T NRES ARSa HO. . 4EYE FRIES J 1 J1J \` OR TH.N \t \.\: S C L.I FINES \` CLAYEY SANDS. SANG-CLAY ANTARES I I III R�OCR RR OUR SILTS Gt M FDIC lET Mg of SANDS OR MATEY Son RON SLIGHT SILTS ! M L PLASTtltt FINE \\\ ONIRCANIC CUTS ICON LOW TO I GRAINED AND Wag uTMu1 502 �\' \ CL zCIT• WYELLT CLAD SPOT SOILS \\ \ CLAYS. MUT MTS. UM CLAYS CLAYS 0 L ORDAMIc stn 1110 awIC an CLAYS OF LOW PLASTICITY INH'�I INOtaAMIc Ali WfACEOOS at I. .', M •I OIATONACCOOS LIME SAN OR SLIT NORE THAN SOS ars 1 ' III iI', of WiD11ril IS �/ LEII T,WI C H FAT C NIG MAYS OR INN NAETIQT,. NO. pp�y(Y[mE lino N�a�E MAM NS10S. CH FAT CLAYS CLAYS 0 u °ROMIG CLAYS OF YENNM TO INGN H PumOTY• ORWIIC SLn 1 HIGHLY ORGANIC SOILS PT REEF. ~IL Si'...? SOILS WIRI HIGH ORGANIC COMMIS MOM DuaL Man an NSEW 10 MILAN nlMNUME SOIL CLaS WIcenONL F — AT I C7STOME y:.r'' . '. ' ' . ' .:1 SANOSTORE TYPES 1-7 -.T"r” TITLE SOIL AND ROCK CLASSIFICATION CHART SAAGEtiderdateS Denver, caoE3ao CLIENT/PROJECT DRAWN OPH IOArE juNE 1992 IJOB NO. g23-2403 WASTE SERVICES CORPORATION �CXED SAC I SCALE NOT TO SCALEP' NO.TREV. ND. za03cus.Owc CENTRAL WELD SANITARY LANDFILL REVIEW Vcy FlL© r._ND. FIGURE NO. 931061 • SOIL BOREHOLE LOG SITE NAME ANO LOCATION DRIWNC METHOD: 3.25' ID, 7.25' OD BORING NO. HOLLOW STEM AUGER GWMW-5N ti SHEET w WASTE SERVICES CORPORATION SAMPUNG METHOD: N/A t OF 1 CENTRAL WELD SANITARY LANDFILL ORIWNG 0 la PT GREELEY, COLORADO a START FINISH t2 u Northing 370.688.26 WATER LEVEL TIME TIME a East;ngi 2.193.894.40 TIME 3/24 1630 c ai DATE DATE DATE DATUM NGVD ELEVATION 4759.49 CASING DEPTH 3/25 0745 lY I- DRILL RIG CME-55 SURFACE CONDITIONS Z 0 ANGLE 90 BEARING NA U SAMPLE HAMMER 14016/30' U TEST RESULTS Z wz p O col- "0 aE SAMPLE NUMBER �N it K Et Tla 0> m AND U �6 J O I LI 31¢00 2 DESCRIPTION OF MaTERWL E z 0 z z j '^ 2 co., Ow z a V p liJ a0 I 0 wp`- CO"- m 3U _ No samples collected - — 1 — — 2 - See Soil Borehole Log GWMW-12 For stratigraphlc - _ �nFornat;on. - — 3 — — N d — _ — ) — 5 — r _ m — — 0 — 6 — — N E3 — - z - — Li — 7 w I Li - o: - u — 8 — -i — - al 0' N 9 0 N m - - 0 - w 10 0 1- - - _ o� C — 11 — •••• - -- 1 2 — m Ill - - N : m I LT m u — 13 — — 14 — d - - Z - - - m w - - 0 -' LT 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNG METHOD: 325' ID, 8.25' OD BORING NO. HOLLOW STEM AUGER GWMW-6 GI SHEET w LJ WASTE SERVICES CORPORATION SAMPLING METHOD: split spoon (SS) 1 OF a z CENTRAL WELD SANITARY LANDFILL DRILLING - W La • GREELEY, COLORADOae START FINISH lWJ Northing, 371,679.09 WATER LEVEL 8.1' TIME TIME -2 Fix East ngi 2.191.474.31 . TIME 1100 1030 1215 o c DATE 2/18/92 DATE DATE DAWN NGVD ELEVATION 4770.29 CASING DEPTH 2/18/92 2/18/92 Ct I— DRILL RIG CME-55 SURFACE CONDITIONS slightly muddy, sparse grass O ANGLE 90 BEARING NA U - SAMPLE HAMMER 140 lb/30' C) TEST RESULTS J keg a,-, aS V M J W, wia¢ E3 SAMPLE NUMBER id C OwN N '3 0 za 20 m AND - o Lia > \<O 2 m 2 V V 2 in 2 SW o'^w N DESCRIPTION OF INTERNE w N O2 2 c al `aw zm n'. 0 _i0 3- - I O cv mom- S m 1 — — 2 — 3 — — — N - 4 4 O (4.0'-S.5') Stiff, yellowish brown, (1OYR 5/6), -, — 6 stratified CLAYEY SILT, little F. Sand gypsum, dry, -- 12 interbeds of Clay, noncalcareous, (ML) SS — rj 18' r CD — (4764.3) 6.0 — o 0 o - CI 6 �— - = — 23 — U � (6.5'-8.O') Loose, yellowish brown. (10YR 5/6). — z 12 unstratlfied, f. SAND. Some Silt, little Clay, W — 7 re 1 tenses of Clay. moist, noncalcareous, (SM) SS — I La • — mom o — u • _ 8 y -; • _ — — m m— r 9 — co 23 \/U (9.0'-10.3') Loose, yellowish brown. (IOYR 5/6), — 50/5' /X\ unstratified, F. SAND, some Silt, little Clay, SS — a o o C) Il' lenses of Clay, wet. noncalcareous, ($M) — O) — 10 u• — Q°e'° �t�''� (4759.8) 10.5 _ —1 O 50/4' ZILJ (10.5'-165') Highly weathered extremely weak. SS _ - 11 a; brownish yellow, (10YR 6/6), silty F. SANDSTONE. — aam (_..5...) laminated, noncalcareous. iron oxide staining, — 50/6' "' WEATHERED BEDROCK _ — 12 • SS 6 0 •a s• Q1.5'-t9.0') Highly weathered extremely weak, — — aces brownish yellow, (IOYR 6/6) silty F. SANDSTONE — I•+ ) — Laminated. noncalcareous, iron oxide staining I ) - 13 WEATHERED BEDROCK — a, u _ -_ - - - 14 _ z dC _ z - m - 0 E 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID, 8.25' OD BORING NO. HOLLOW STEM AUGER GWMW-6 tm SHEET WASTE SERVICES CORPORATION W CENTRAL WELD SANITARY LANDFILL SAMPI3NG METHOD: split spoon (SS) 2 OF 2 ? GREELEY, COLORADO DRILLING 2 a START FINISH z V Northing, 371.679.09 WATER LEVEL 8.1' TIME TIME 2 Enstingl 2,191,474.31 TIME 1100 W30 1215 S et DATE 2/18/92 OATS DATE DATUM NGVD ELEVATION 4770.29 CASING DEPTH-- 2/18/92 2/18/92 Ct DRILL RIG CHE-55 SURFACE CONDITIONS slightly muddy, sparse grass Z ANGLE 90 BEARING NA U SAMPLE HAMMER 140 tb/30' U TEST RESULTS Z wo wp m n 8= J K J 0•w O SIMPLE NUMBER 2Q 2> m AND U ',a K 0 :A- IL, 3'n w a o > DESCRIPTION OF MATERIAL w H ;U w -J '^ 2 aw _122 h o OJZO w�- 3 2 O wm-• mo-- 3 m `a'6 0 v� U — 16 — 17 — _— 18 —— — — .- — — N K - lg — i 50/5' \/U u• /X\ (19.0'-30.0') Highly wentheretl extremely wank, SS — 1 li' brownish yellow. (10YR 6/6). silty f. SANDSTONE, —20 `10r' noncalcareous, iron oxide staining. WEATHERED BEDROCK —. _ CO — • — 0 21 — — N U — — Z - 22 — Z _ W _ Q — — O — 23 - m _ al — — as — 2a - - (3:1 ml — 50/5' :: KOSS _ w- - 5• - —25 "M) - 0 I- - - 0 < _— 26 — I _ _ 27 - m— 'a — — IL 3 — 28 m Ls' _ — 29 — 50/5' !1U SS — 2 — 5' — co W — , TOTAL DEPTH x 30.0' — 0 -I 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID, 7.25' OD BORING NO. HOLLOW STEM AUGER GWMW-7 SHEET o: W WASTE SERVICES CORPORATION SAMPUNG METHOD: split spoon (SS) 1 OF 2 = CENTRAL WELD SANITARY LANDFILL DRILLING z tel GREELEY, COLORADO taJ a START FINISH z V Northing, 371149.74 WATER rya 19.1 TIME TIME J a East;ngi 2,192,062.65 TIME 945 842 1000 c a DATE 2/17/92 DATE DATE DATUM NGVD ELEVATION 4761.41 CASING DEPTH 2/17/92 2/I7/92 EY DRILL RIG CME-55 SURFACE CONDITIONS z O ANGLE 90 BEARING NA U SAMPLE HAMMER 140 lb/30' 0 Z +- TEST RESULTS J _ WTI n ss a I- Ct J " a C cl SAMPLE NUMBER ₹ e- C{ r CC z m AND v �� , 2 II s ��u ? DESCRIPTION OF MATERIAL W z " z - in 2 `'� of in Cz n:W 0 ' N O wa 0300 Q. v 80 a0 3 z 3U ., 1 — - 2 — _ 3 - - - i- _ 1 N E 4 7 / J (4.0'-5.5') loose, yellowish brown, (10YR 5/6), - - I7 � stratified F• SAND. sone Salt, little Clay, dry, 23 Aron oxide staining, non—calcareous, (SM) SS — 0 0 a — 5 18' — ).- -.— no= —4 ..... -. CO s C _ N c� -� z W "" 7 (4754.1) 7.3 z ,- U U .._. g CU 9 a0O C90'-I0.5') Loose, dark yellowish brown, (lOYR ""' — 50/3' 4/6), strut;F;ed SILT, sore f. Sand little Cloy, SS CM ,- 9, Iron oxide staining, noncalcoreous, wet, (ML) o 8 a CD W 1 9 C.' -. --- (tamCi 11 = = 12 (4749.1) 12.3 - o r — _ a ) — _ in ) _ 13 _ ; 1 • • - 24 — •• Ly �_ 14 50/5' (3) (14.0'-15.5') Loose, yellowish brown, (10YR 5/6), - _, z Z - iP V SAND. trace Clay, noncalcarrous. wet, (SW) SS — m 1.,_i — cio� �� Q l — — 931061 • SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNC METHOD: 325' ID, 7.25' DD BORING NO. HOLLOW STEM AUGER GWMW-7 w SHEET u us WASTE SERVICES CORPORATION SAMPLING METHOD: split spoon (SS) 2 OF 2 CENTRAL WELD SANITARY LANDFILL DmwNc V La In GREELEY, COLORADO iz START FINISH i iz Northing: 371,169.74 WATER LEVE1. 19.1 TIME TIME Cc Fasting, 2,192,062.65 TIME 945 842 1000 c DATE 2/17/92 DATE DATE DATUM NGVD ELEVATION 476L41 CASING DEPTH 2/17/92 2/17/92 CC DRILL RIG CME-55 SURFACE CONDI11ONS Z O ANGLE 90 BEARING NA U SAMPLE HAMMER 140 Ib/30' CD TEST RESULTS Z J r.+9. cc— m O N —I w2 o a OZ - a� SAMPLE NUMBER t \6 M •' Q � o AND o j rim o�nw •r DESCRIPTION OF MATERIAL w e oz zw o in 8 Q.Li O % u w -to 0 LW"' mo-- � m n U w _ a a a —- 16 — — 17 — ‘ -- 18 — N (19.0'-20.5') Loose, yellowish brown, (IDYR 5/6), — 19 /,� SANG, trace Clay, noncnlcnreous, wet (SW) — 43 • �l SS — — 50/2' - - s• — 20 a m — amA — — — C —- 21 — — L1 — — z — — W — 22 i W — — a: — — U —- 23 — — m — n N -- 24 50/2' ��05 (24.0'-25.5') Loose, yellowish brown. (10YR 5/6), _ c - z, SAND. trace Clay, noncalcareous, wet, (SW) — 0 _ — C2 w — 25 " — p — - J C —- 26 — _ — — 27 —' Q ,--.4 ," 3 -- 28 = m 9 —- 29 = z _ z — — 07 W — — co C: 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION ORIWNG METHOO: 3.25' ID. 7.25' OD 90RING NO. HOLLOV STEM AUGER GWMW-6 SHEET a: W WASTE SERVICES CORPORATION SLING METHoO: sort spoon (SS) 1 OF 5 z AMP u CENTRAL WELD SANITARY LANDFILL ORIWNG W GREELEY, COLORADO START FINISH — G Northing 373,232.03 WAS LEVEL 21.0' TIME T1ME a: Casting+ 2.191496.14 TIME 1600 1230 1730 0 0: DATE 3/11/92 DATE DATE DATUM NGVD ELEVATION 4831.74 CASING DEPTH 3/4/92 3/4/92 CC DRILL RIG CME-55 SURFACE CONDITIONS very muddy Z 0 ANGLE 90 BEARING NA + (.) SAMPLE HAMMER 140 Ib/30' Q T TEST RESULTS Z co L.. M V K 7.1 _i C ZD 0 $,n M Z a� 6 SAMPLE NUMBER c% a \< !Z) 411' --.,..c' DESCRIPTIONANCF MATERIAL a.+ Z U w J W CA 2 aW pZLI t„ Oz W Q= t 2 O W."' m o I a) <0 O • S — —-- 2 \ a • 3 — N \ z 4 3 — 4 \ 1 (4.5'-6.0') Loose, moderate yellowish brown, (10YR — — 0 0 0 5 6 \� O 5/4). unstratif+ed CLAYEY SILT, calcareous. some .r 7 fine Sand, dry, gypsum (CL-ML) SS — CO — 16' \ a TV — N U \` Z +.1 W Li _- T J W a \ 8 (4823.9) 7,8 U \ — — m g m o _ 3 \ 1";'\ (9.5'-11.0') Loose, moderate yellowish brown (IOYR W l`J 5/4). unstratlfled CLAYEY SILT, calcareous. little '-`I --- 10 4 Sand. gypsum wet. (CL-ML) SS — 0 0 O J o _ 10' — 11 < ) \ -- —' — —- t2 \ - o m _ - �, - p ) 13 \ - 1 o' 3 N — .. Li.; —- 14 2 ' = O — 119' (14.5'-16.0') Loose. moderate yellowish brown, (IOYR ^ Z Z — i� \ 5/4>, unstrnttfied CLAYEY SILT, calcareous, tittle 0 0 0 �p L'•• (MO 3 Sand, gypsum, damp, (CL-ML) SS ~ -, I� 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNG METHOD: 3.25' ID. 7.2S' 0D BORING NO. HOLLOW STEM AUGER GWMW-8 SHEET W 41 WASTE SERVICES CORPORATION SAMPUNG METHOD: split spoon (SS) 2 OF 5 z CENTRAL WELD SANITARY LANDFILL DRILLING 2 H GREELEY, COLORADO START FINISH 2 V Northing' 373,232.05 WATER LEVEL 21.01 TIME TIME � a Enstin I 2.191.496.14 g TIME 1600 1230 1730 Fe. s DATE 3/11/92 GTE DATE DATUM NGVD ELEVATION 4831.74 CASING DEPTH 3/4/92 3/4/92 Z DRILL RIG CME-35 SURFACE CONDITIONS very muddy Z ANGLE 90 BEARING NA O SAMPLE HAMMER 140 lb/30' U' Z TEST RESULTS J , n:.-. ao a 0 V K �) Zo c.> m SAMPLE NUMBER OLL r D E\: K f tw 3'nw ) DESCRIPTION ANOF MATERIAL w - ;Oz W o n 2 aw _jSa: d p = 0 LJ' 00" Jm ;'du 8 _ Y SS _ -- 18 /�\ _ - \ — -- 17 — — \ _ 18 \ - I- VI _ t9 1 \ — a o 0 z i _ 3 N U 49.5'-21.0') Loose, moderate yellowish brown, 40YR — -20 tee' 5/4), unstratifletl CLAYEY SILT, calcareous. tittle Sand, gypsum, damp, (CL-MUSS _ 03 - z1 1 _ \ — z U La _ 22 \ _ L2 J CC — C) — 23 —— . — , \ • — . _ — a' P m - 24 \ — m < — \ C _ p (24.5'-26.0') Loose. moderate yellowish brown, CIOYR — 0 w 5/4), unstratifletl CLAYEY SILT, calcareous, tittle _ CD i- 25 1 Sand, gypsum, damn. (CL-MU SS r 0 < — 19' \ — — g \ — 0 0 0 26 00072 \ J — — \ - 27 •\ _ e m N 0 _ \i — rl _. - 28 \ _ m u - 29 L \ (29.5'-31.0') Loose, moderate yellowish brown, (IDYR — Z — 19' \ 5/4), unstratifletl CLAYEY SILT, calcareous, L'ttle — CO 1.,,i — lIr aw \ X® Sand, gypsum, damp, (CL-MU SS - O 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNG METHOD: 3,25' ID. 7.25' 0D BORING NO. HOLLOW STEM AUGER GWMW-9 in SHEET w Li WASTE SERVICES CORPORATION SAMPUNG METHOD: split spoon (SS) 3 OF 5 u CENTRAL WELD SANITARY LANDFILL DmWNc Wcm GREELEY, COLORADO cc START FINISH 2 u Northing, 373,232.05 WATER LEVEL 21.0' TIME TIME cc Ensting, 2,191,496.14 TIME 1600 1230 1730 0 0: DATE 3/11/92 DATE DATE DATUM NGVD ELEVATION 4831.74 CASING DEPTH 3/4/92 3/4/92 CC H- DRILL RIO CME-55 SURFACE CONDITIONS very muddy Z O ANGLE 90 BEARING NA U SAMPLE HAMMER 140 lb/30' z TEST RESULTS 7."-J tm K J L,42 45c: o 6 Q . E 8 SAMPLE NUMBER \ K `D Q su 3'�8 vs}i DESCRIPTION NOF MATERIAL w x LoOu n:w G J N j ow d p S O Q`. ...in a) 38 8 — N �U ss = - \ - - - 31 — _ 32 N — — 33 \ _ N _ N — 34 — w z - (4797.2) 34.5 _ j - 4 (34.5'-36.0') Highly weathered, extremely weak, - — 35 8 moderate yellowish brown. (10YR 5/4), silty f. - r 14 SANDSTONE. noncalcareous, laminated, iron oxide staining, SS CO le• WEATHERED BEDROCK _ o —36 aro - _ _ — IA U z — 37 — - z - — z _— •38 - P _ >- m — 39 — - °o 16 — O (39.5'-a1.0') Highly weathered. extremely( weak, w — — 40interbedded moderate yellowish brown, (10YR 5/4), — — O < _ 50/5'1 silty F. SANDSTONE and moderate dark gray, (N4), SS 0 Il• CLAYSTONE, noncalcareous, iron oxide staining _ — aom� WEATHERED BEDROCK _ — 41 •.- -- - 42 - o m r — N 3 - n ; _ — 43 - - m u — 18 = (44.5'-46.0') Highly weathered, extremely weak, — •- W 26 _ interbedded moderate yellow brown, (IOYR 5/4), silty — — f. SANDSTONE and moderate dark gray, (N4), Z Z — tB' - CLAYSTONE. noncalcareous, iron oxide staining, - CO w - <tusora _�(U WEATHERED BEDROCK SS — C CZ 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNG METHOD: 3.25' ID. 7.25' OD BORING NO. HOLLOW STEM AUGER GWMW-8 v) SHEET u Lil WASTE SERVICES CORPORATION SAMPUNG METHOD: split spoon (SS) 4 or 3 u CENTRAL WELD SANITARY LANDFILL DRIVING Wtel GREELEY, COLORADO START FINISH ti LA Northing 373.232.03 WATER LEVEL 21.0' TIME TIME a: fasting; 2.19L496.14 1230 1730 c d TIME 1600 DATE 3/11/92 DATE DATE DATUM NGVD ELEVATION 483L74 CASING DEPTH 3/4/92 3/4/92 IY DRILL RIG CME-55 SURFACE CONDITIONS very muddy Z O ANGLE 90 BEARING NA U SAMPLE HAMMER 140 lb/30' z TEST RESULTSt co J Wt W) C t pZ WO QK 1P SAMPLE NUMBER 8N N z 0 K..7- AND u N< 0 .,1 -1- 8 s DESCRIPTION OF MATERIAL ix z io n:w c -.I N > p W N it Oz Wr i O G 90� n u 51 V — \� ss — — 46 _ — - - 47 • - _— 48 - — • - ,`n _ — a — 49 - - - `Y — rrTT — 1 - 15 -- 10 — —50 26 -`l�n/` (49.5'-51.0') Highly weathered, extremely weak, SS _ r 50/2' interbedded moderate yellow brown, (IOYR 5/4), siltym III f. SANDSTONE and moderate dark gray, (N4). — - 14' CLAYSTONE, noncalcareous. iron oxide staining, — P _— 5I goo* _ WEATHERED BEDROCK - — N (.) _ Z _ _ — W — 52 _ _ W ce — 53 P - • • - m 0 — 54 — P - N. o — 36 2 / it (54.5'-56.0') Highly weathered extremely weak, - L..i /�1 interbedded moderate yellow brown. (1DYR 5/4), silty SS — V ,- — r>r, 50/4 F. SANDSTONE and moderate dark gray, (N4), — O 0 lo' CLAYSTONE, noncalcareous, ton oxide staining, — — io' — WEATHERED BEDROCK — — aaan - - 56 - - — 57 - o en m - - N J — 58 - — m u — 50/6' - _ (59.5'-61.0') Highly weathered, extremely weak, — — 50/2' interbedded moderate yellowish brown. (10YR 5/4), _ O - 59 Tr silty F. SANDSTONE and moderate dark gray, (N4), — Z Z - r _ CLAYSTONE. noncalcareous, iron oxide staining, —— CO J - aO�T) -_X 12 WEATHERED BEDROCK SS — OC 931061 SOIL BOREHOLE LOG SITE NAME ANO LOCATION DRIWNG METHOD: 3.25' ID, 7.25' OD BORING NO. HOLLOW STEM AUGER GWMW-$ u, SHEET u W WASTE SERVICES CORPORATION SAMPUNG METHOD: split spoon (SS) 5 of 5 u CENTRAL WELD SANITARY LANDFILL DRIWNG Z GREELEY, COLORADO W m Northing 373,232.05 START FINISH zo W Casting 2,19L496.14 WATER LEVEL 21.0' TIME TIME TIME 1600 1230 1730 0 DATE 3/11/92 DATE DATE DATUM NGVD ELEVATION 4831.74 CASING DEPTH 3/4/92 3/4/92 IZ DRILL RIG CME-55 SURFACE CONDITIONS very muddy Z O ANGLE 90 BEARING NA U SAMPLE HAMMER 140 Ib/30' l'� TEST RESULTS z m J -0 1W u.'> 0 CI.W ^V. K J r0 � Z; SAMPLE NUMBER i t d,.� IR K j ,. o 2 AND U --.....r 0 n w o z s '^ DESCRIPTION OF MATERIAL w i 3 u ¢w J (el ≥ w-- 00 ' 0 mo wi 2 s o 50 ri _ - t2 -\ — —- 6t - _ - 62 - (4768.9) 62.8 — — 63 — - U, — _ a —64 — _ — (64.5'-66.0') moderately weathered, very weak, dark — - 65 gray, (N4), silty f, SANDSTONE. WEATHERED BEDROCK - • — >- . — — m - - Q _— 66 — — - vi U z —67 - W - - z iii - SEE ROCK CORE LOG 65.0'-80.0' — — — u —68 — _ - _ n! a, — 69 - m m - - P — W 70 O 4 - — — —J 0 — 71 — - 72 — — o 0 — p I ml Z — — l — — — 73 — X a v - - -- 74 - Z - - Z - - m J - - 0 J L- 931061 RECORD OF DRILLHOLE GWMW-08 sheet 1 & 1 ' PROJECT: CENTRAL WELD BORING NERCO AYR ROTARY CCM NX/TRIC0NE DATUM: La OCC AR HEN 4871.74 PROJECT NO: 913-2401 DRILLING DATE 3/5092 COORDINATES N:37323205 E:2191.49414 LOCATION: GREELEY,CO OM.RIG: CUE-55 AZIMUTH: 9N3JNATIDN: 40 ROCK TYPE J.J 1 Hayes NW+N _ Rlsa 604•4841 1(410a101 2 r Q _ tj S9r U41rtA 9 9Yaeeoel a O p Q 1 S %e4ema ef-91.4001 M iu' I4 3 1- s Z NDTE9 FitlelT Hn_r Weal.ROUT ��1y555I __ k t DESCRIPTION >; ¢ m- OISCOrcnHURY DATA Z m S ? O INSTRUMENTATION OEM "°° 8 •!gal 2 Dm:.""RON g DIPIAMO 8 c a. s s_l$8 4 2222 - R Y ' a 2122 . 28g2g\ 478674 470674 I - 05 0100 83.00 5 DIF/FT.• Con Ices at bottom of (0.0.45.0)sae Sod Bore ?�•heM run b0 8 SSd.PLK s:a:x€3 ' `,,',L. (0.Sa72.3)sly weslherad, "s'?s-a Samples' � :) 839483 yet. ll week rown(IO .%.. medl.aeh browm dark n,(.(N4YR 574)to ::-..n..:n - 97 fineSANDSTONE.Sightly �~ -, calcareous,dry.interbedded Cltans 1 n . . Clewiston. 4791.)4 47!?74 , 70.0-70.8'No recovery 70.00 70.00 I"I' 4760.94 4780.94 SefnPle • ▪ 71 70.80 7680 5 DIF/FT.• 70.8-712' — 2 el 4750.34 ' 725.729'weathered zone 7240 - 73 72.9-73.9'Clayatone as above 70 — 4758.34 73.40 4 4757.°4 4 DIFl.5 FT. (73.9-75.4)Slightly weathered. 73.90 • very weak,dark yellowish brown. 5 71 • (10YR 42).silty fine SANDSTONE 4737.14 slightly calcareous 74.90 j'Isitt - o 8 J ' e .pp,�gg R,Fe s Ada (75.L75.8)Slightly 4755.84 weathered,very week'dark 7640 4 DIF/FT. yellowish brown(10Th 4/2). CGA sNEpwslKg�ls )) 783-776.8'ple 3 calcareo- n - 7 ra . i - 7k, i ' 4731.94 4731.94 z ' TOTAL DEPTH a 79.8 FL 79.x0 79.80 , - 61 - •DIF/FT s approximate number , ' of DRILLING INDUCED FRACTUR ES per toot • - 83 "DEPTH*CM F. t'-23- LOGGED: J.VENEERS CONTRACTOR:: DRIlirrJG EN(Gi6 CHECKED: W.NSW • Golder Associates DRILLER: RICK ROGER DATE: yt1i SOIL BOREHOLE LOG SITE NAME AND LOCATION ORILUNG METHOD: 3.25' I➢. 7.25' OD BORING NO. HOLLOW STEM AUGER GWMW-9 Cr SHEET ac W WASTE SERVICES CORPORATION SAMPUNG METHOD: split spoon (SS) 1 of 3 u CENTRAL WELD SANITARY LANDFILL DRILLING z • GREELEY, COLORADO W a START FINISH 2 w Northing, 373.248.78 WATER LEVEL -20' TIME TIME -J— a Easting' 2,192,751.58 TIME 730 1300 1630 0 DATE 2/26/92 DATE DATE DATUM NGVD ELEVATION 4836.22 CASING DEPTH 2/24/92 2/26/92 CC DRILL RIG CME-55 SURFACE CONDITIONS muddy, non-vegetated Z 0 ANGLE 90 BEARING NA 0 SAMPLE HAMMER 140 tb/30' (0 TEST RESULTS Z m w i w i O a O V M i3 o.w m SAMPLE NUMBER �7 K D , E I0 w ',CO ,- DESCRIPTIONANOF MATERNL w z o 0 a;w o w S w 0 •" d 0 w i 5 I 0 wow- mom- 3 c,-,0 <0 0 3U 2 -- 3 N K 4 - 0 0 0 2 I (4.5'-6.0') stiff dark brown, (10YR 3/3), 2 unstrn areo CLAYEY SILT, cone F. Sand, moist, — 5 2 noncalcnreous, (ML> SS — m— 13' _ 0 6 mon - _ = _ N C) z - - W 7 _ 2 W (4828.4> 7.8 — U 8 — 0' . — >- m 9 - 0 0 0 a' (9.5'-11.0” Loose, yellowish brown• (1OYR 5/6). — o 141 unstratified SILT, little P. Sand, some Clay, moist. 0 0 - — 10 l2 calcareous, OIL) SS y o 18• _ te• - - 1 1 "cam _ 12 a a• - (48214) 12.8 — z — 13 — a, u — ' — 14 — ci �d (14.5'-16.0') Very loose, brownish yellow. (10YR 6/6), — 0 0 0 Z w 25 ZU unstratiFied P. SAND. some Silt, trace Clay, damp, (SM) — m 50/3' — O E. 931061 SOIL BOREHOLE LOG -. SITE NAME AND LOCATION DRIWNG METHOD: 3.25' ID. 7.25' OD BORING NO. HOLLOW STEM AUGER GWMW-9 tn SHEET w WASTE SERVICES CORPORATION SAMPUND METHOD: split spoon (SS) 2 of 3 u CENTRAL WELD SANITARY LANDFILL DRILLING W v, GREELEY, COLORADO m START FINISH = W Northing, 373,248.78 WATER Le/EL -20' TIME TIME - ce Fasting, 2,192,751.58 TIME 730 1300 1630 c ci DATE 2/26/92 DATE DATE DATUM NGVD ELEVATION 4836.22 CASING DEPTH 2/24/92 2/26/92 � DRILL RIG CME-55 SURFACE CONDmON5 muddy, non-vegetated z 0 ANGLE 90 BEARING NA 0 SAMPLE HAMMER 140 lb/30' C' I TEST RESULTS Z ca WZ ¢� o c GZ F . Z� 0,≥ m SAMPLE NUMBER oz x ,- -j \ 0 2 AND a = NW O Ito o W N DESCRIPTION OF MATERIAL W a 30 Z CC W a -, Al a 6W mJ OZ U mO QO . UI 3 u - _J - -- 16 — _-- 17 — — (4818.4) 17.9 - -- 18 — — — N — — 4' _— 19 — i • — 45O - -- 2D 40 (19.5'-21.0') Very loose, brownish yellow, (lOYR a a 0 — 50/3' 6/6), unstrntlFletl F. SAND, little Sat, SS — m - It nancatcareous, wet, CSM) _ C] —- 21 aro — _ — — vi — — z — — W — 22 _ _ W (4813.4) 22.8 _ u —- 23 — _— — 0' — —— 24 m m _ — — o x� C24.5'-26.0') Very loose, brownish yellow. (10YR — o —- 25 76 5 6/6), uns tradfietl f. SAND, little Sat, SS — U I- — 50/4' noncalcareous. wet, iron oxide staining, (SM) — O C - lo' — — o• — 26 (lama — -- 27 - el o _ 0 — _ P (4908.4) 27.8 - n3 _- 28 \\ _ P J — , (29.5'-3L0') Very loose, brownish yellow, <IOYR _ W - 29 1`N\ 6/6). unstrntlFletl F. SAND. little Sat. — O - 13 noncalcareous, wet, iron oxide staining and - Z interbedded stiFF, dark yellowish brown. (LOYR 3/6), CO w —- 29 U SILTY CLAY, noncalcareous, wet. (SH-CL) SS - O 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION ORIWNC METHOD: 325' ID. 7.25' OD BORING NO. HOLLOW STEM AUGER GWMW-9 H SHEET w WASTE SERVICES CORPORATION SAUPUNG METHOD: split spoon (SS) 3 of 3 CENTRAL WELD SANITARY LANDFILL DRILLING W d) GREELEY, COLORADO START FINISH z u Northing, 373.248.78 WATER LEVEL .20' TIME TIME : R Castings 2.192.751.58 TIME 730 1300 1630 a a DATE 2/26/92 DATE DATE DATUM NGVD ELEVATION 4836.22 CASING DEPTH 2/24/92 2/26/92 CC DRILL RIG CME-55 SURFACE CONDIOONS muddy, non-vegetated Z 0 ANGLE 90 BEARING NA U SAMPLE HAMMER 140 tb/30' C Z TEST RESULTS .� Q:... m W K _I Z� 1 j m SAMPLE NUMBER i \- K Z Q -> \3o Z AND z z Ult.) =J 3 w r DESCRIPTION OF MATERIAL w 3 z J J '^ 2 a,,, oza v' a �o wz i 'o wo--- mo- Q m a0 a 30 7, SO/4" \\/� SS — 6' x\ — — - aoo_ rl — _- 31 -_ _ SEE RECORD OF ➢RILL HDLE FOR 30'-70' - —- 32 —- 33 — - — I- _ — —- 34 — ; — — i —- 35 — > m —_ c - 36 — — r — c, — — z _ — W —37 — I La — LI _ — u —- 38 — I _ — _ eu —- 39 — O] — - 0 _ w —- 40 — _ _ 0 0 - dt — 42 - o 0 — — N ) _ - m j — 43 — m u w —- 44 - Z ¢ _ — z — co U, 0 T- 931061 RECORD OF DRILLHOLE GWMW-09 ass I a 3 PROJECT: 094TTi*L WED BORING METHOD: NR ROTARY COTE NX/TRICONE DATUM: MSL COLLAR E EV: 483122 PROJECT NO: 9133403 DRUJ1 G CATO 2/25/V2 COCPOMATES N:37324878 E:219275158 LD ATION: GREELEY,CO °FLL RIG: CUE-36 Aaraunt MCUNATION: 4D ROCK TYPE .I.loe RAW PatleNa Find COned Kdaandr4 2 2 a 6 uWyl p seat ar u.waar.y SM . d I- ' O 9.9mq sracowl Rr4W1 Fa_ 3 0 6 NOTES 1 C Foot n ICY YRy.R.y1 jf 2 wATEFI LEVELS 6 IIYY� �PT C{Z ¢ DNUDY DATA m a0 O WW'rRUMENfATK7N p q -EFL 2 :F R3G 8 FFi gi1L N 'MEMO a y y a GGGG perm c 75.22 uP`ie •p TL 01awn.0CIMIWN OLLxx; C11__x$x$i ~ SS9.e. A S VV FII\tb122yc22ag.E 4809.22 - (0.0.15.0)See Soil Sorelnh�03 , log ' ▪ 32 _ • 34 Begin coring at 35.0' 4501.22 •95-J,R,gypsum Sample R1 (35.0-49.21 Highly weathered, x'03 37.0-37.5' , extremely weak - dark yellowishto dark Claystone , orange,▪ 3e yellowish �(1 YR 4/2), , YAK interbedded CLAYSTONE and fine < ' • SANDSTONE noncalcareous,dry �?' very incompetent ;�` ' I 4 ▪ 38 . 4. 40 4p� 2 103 . ♦793.72 !: SST 44 yfi; ass Z. 45.70 'k �� • 48 4790.02 4 100 (46.2'47.5')Slightly 48.20 y .i' Semple M weathered,weak.dark 's 46.5.47.0' yellowish orange.(10YR 8/9), 5 1m • aK:. Sandstone , . silty fine SANDSTONE. < - • nonmkareau,damp 4788.72 Semple#3 . • 47.5-49.0'Clay Started.. 47.50 F. 3 • 47SarMaterla Coy - - 4e € e tae interheds . 4797.71 • 49.0.50.7'fewer clay ,M.Op _. ' interbedaI • 2 ' 7 Ts • g 70 water at about 20' DEPTH SCALE: 1•.25. LOGGED: 1 CREMEENS ORUJNO CONTRACTOR °RIWNG ENGRG CHECKED: W.HERHT ®Golder Associates DRILLER: RICK ROGERS DATE: 931061 RECORD OF DRILLHOLE GWMW-09 shoat 2 at 3 • PROJECT: CENTRAL WELD 001iNG NERCO: AIR ROTARY CORE NX/TRICONE DATUM: WEIL COLLAR ELEV: 443122 P JECT NO. 913.2400 DRILLING DATE 223,0112 CODVWAT68 Pt 37324828 E219275L58 LOCATION: GREELEY.CO DRILL RAI: GAAFa - AZIMUTH: YK29MTKJN: -00 ROCK TYPE sat 91.-Pars P.Paind S1.. U4AIeYe 9I an t' a��,,55 o2 p .- �7 8 58.mK1 8ialase.d RYlaal Fa W g t• I 2 NOTES N C O F-F 14veoAat VRV.Real I-z F Z 2 w WATER LEVELS=IILLYY DESCAPNON n= 'yam Q 05CONi1NURY DATA 3 m Q 3 a IN8TR1MENfATKX! ay 2 n00 ^`L TYPE ANC 2 a y $ DEPIN iE e$llS IMAGE °1SE Z• 2RS_§§i- i- i- on • t 2232 �2 2 2 \ OFac7 ' °N III 2iia2 22;22\ - 50 water at about 20' 7 7S .'44^.x'1 4795.52 47115.52 Sk3w . 50.759.0'No raceway50.70 50.70 ▪ n - 5a - - sa - - 55 - 4777.22 4777.22 (59.089.0)Slightly 59.00 59.00 weathered,week,medium dark gray.(N4),silty fine I a • rfr ▪ ea SANDSTONE.Doncalcareoue,elm .cs,z,;..: Sample#4 - laminae.poorly indurated 4775.82 •riizx 82162.5' • 0140' : gray Sandstone 5 DIF/Ff.• . }a • 9 e7 • aA A . °.is:' ▪ es .t52 Y. — 4771.92 S4.20 16 DIFffT.• • SampleX35 fLrs,z gray Sandstone :so(ys4, — es 10 M . r,9 ° iI:• 87e5.42 f 44 4916% tt too 8120 .(,.... 12 15 ;• 4757.22d' eD.CO • . - p 13 71 'ry4 - 70 DEPTH SCALE i'-2.3' LOGGED: J.CASSEENS �,-•, Golder Associates DI#L SC RS CONTRACTOR: DRILLING ERS CHECKED: W.HE T DRKJ.ER: RICK ROGER S DATE 931061 RECORD OF DRILLHOLE GWMW-09 Sheet 3 of 3 " PROJECT: CENTRAL WELD DOPING METrCO NR ROTARY CARE NX/TRICONE DATUM: MK CDUAR BEV: 413922 PROJECT N6 9132403 ORXJJNO DATE: 22'U22 CC ODNAT®N:373248.78 a 219275158 LOCATION: GREELEY.CO CO LL FM: CMS68 AGMUT1t 94CUNAT N: -0D ROCK TYPE JJer4 Plan, PN9lrles z F-Fea COMA K2YMO.J b r 9 c O w 8 e;9 R tug = g tz 2 FSe1M1 woos Y0.Y.Rays �Z ¢ Ts Z g w WATER LEVELS 4 s— NOTES 069CAPI10/1 2 a mI. DISCONTNUfTY DATA 0 Y I O INSTRUMENTATCN a m HEV 58 TYPE MO m OWN 3 82 RDD I5 .a§12 ig E; 61 - gsl§i � °A 2222 2 2 2 1 1a�i '2¢281J'cEaic2 - 70 7OIF/FT.• ;< - 69.0.70.4'Clayelone neon 13 71 ill 4 IRTNde.be dMk grey.(N7) RAO a£K • 5OJ,PLK . 14 199 - 4 71 core to 72.'1' 72.2.75M No recovery 7210 ream to 75.0' - 74 - 4781.22 TOTAL DEPTH=75.0 Ft 75.CC •DIF/FT a approximate number of DRILLING INDUCED - 7a FRACTURES par foot - - 78 - so - - us — - ea 90 DEPTH SCALE: P-25• LOGGED: J.CPEMEENS DPRWNG CONTRACTOR DRILLING ENGP3 CHECKED: W.HET a Golder Associates DWUER: PICK ROGE33 DATE: 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNO METHOD: 3.25' ID. 7.25' OD BORING NO. GWMW-10 HOLLOW STEM AUGER C4 SHEET tt WASTE SERVICES CORPORATION SAMPIJNG METHOD: split spoon (55) 1 or 4 CENTRAL WELD SANITARY LANDFILL DRILLING N • GREELEY, COLORADO START FINISH Z u Northing 371,940.04 WATER LEVEL 34' TIME TIME : a Eastingi 2,193,279.38 915 800 1900 c nMEcr DATE 3/1/92 DATE DATE DATUM NGVD ELEVATION 4813.70 CASING DEPTH 3/18/92 3/18/92 Cr DRILL RIG CME-55 SURFACE CONDITIONS very muddy Z O ANGLE 90 BEARING NA U SAMPLE HAMMER 140 lb/30' CD Z i- TEST RESULTS J tir, tt.-. m w o p x J OW �} p a oz ZI 2>' m SAMPLE NUMBER \� x 2 Q a AND z z ;0 vi 5 z � ≥ 'in u 2 DESCRIPTION OF MATERIAL F z 12 wow p Cn y o N 4. 6 ozo W� i o ov mop 3 m 3565 5 -- 2 ZI - -- 3 - - - N ce - 4 = 0 0 0 S -9 — _ — 14 - (4.0'-6.5') Highly weathered, extremely weak, dark — Di 25 yellowish orange, (1OYR 6/6), silty F. SANDSTONE SS — with interbedded, completely weathered. extremely — } — or — weak, dark yellowish brown, <10YR 4/2), CLAYSTONE, — CO - cocoa - noncalcareous. damp, WEATHERED - "0 a BEDROCK - - C - — — 6 _ — _ - v V - - Z - - W — w _ - u 8 - _ Cu T — - >- m —- g 20 _-7- (9.0'-11.5') Highly weathered. extremely weak. dark — - m v - 21 - yellowish orange, (lOYR 6/6). silty F. SANDSTONE - o - LLi - • • - w21 with interbedded, completely weathered, extremely SS - 0 w —- 1D weak, dark yellowish brown. (t0yr 4/2), CLAYSTONE V i- IB noncolcareous, damp, WEATHERED BEDROCK - «WA - J - —- 1 1 = — — 12 - _ al o — P ti F -- 20 = (14.0'-16.5') Highly weathered, extremely weak, dark _ a a o I+-i - 14 33 - yellowish orange. (LOYR 6/6), slily F. SANDSTONE — O G ��y f with interbedded, completely weathered, extremely Z Z - L _- � weak, dark yellowish brown, (10yr 4/2), CLAYSTONE SS - CO w - te• noncalcareous, damp, WEATHERED BE➢ROCK - O d - MOO -, LT- 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID, 7.25' OD BORING NO. HOLLOW STEM AUGER GWMW—!0 '. N SHEET cx W WASTE SERVICES CORPORATION SAMPLING METHOD: split spoon (SS) 2 OF 4 - CENTRAL WELD SANITARY LANDFILL DRILLINGZ ,,, GREELEY, COLORADO La 0: START FINISH L2 w Northing: 371,940.04 WATER LEVEL34' TIME TIME a Lasting' 2,193,279.38 TIME 915 800 1900 0 d DATE 3/1/92 DATE DATE DATUM NGVD ELEVATION 4813.70 CASING DEPTH 3/18/92 3/18/92 CC DRILL RIG CME-55 SURFACE CONDITIONS very Duddy Z ANGLE 90 BEARING NA C) SAMPLE HAMMER 140 lb/30' C.D TEST RESULTS Z m J w= rcv o - Do N J_ .,..,= o.E m SAMPLE NUMBER \ X t X Sao 0 x w 3U'n w )- DESCRIPTION OFMATERIAL w o f CC-a. J m j aw z¢ a < a'd 2 0 0'-' coo-- 0 '� 0) 3U Z — � $5 -- 16 -- • —- 17 — _- 18 - - - - - — I — • N— — 2 -- I2 19 = 4 (19.0'-21.5') Highly weathered, extremely weak. dark _ - yellowish orange. (IOYR 6/6), silty f. SANDSTONE - p p 0 - I - 36 - with interbedded. copletely weathered, extremely - 3 - weak, dark yellowish brown, (10yr 4/2), CLAYSTONE, - - 20 18; - noncalcareous. 9YPsum, iron oxide staining damp, _ Q ,_ WEATHERED BEDROCK - _ - C _- 21 - — - _ V1 Z FE -- Ld • —_ -30 \/OS (24.O'-26.5') Highly weatheretl extremely weak, - T - 50/4' -ICI I /X-\' medium dark gray, (N4), silty F. SANDSTONE with SS _ w 10' Interbedded. completely weathered. extremely weak, - 0 0 0 C7 �:.0 - 25 all0ox _ medium dark gray, (N4), CLAYSTONE. noncalcareous, — BEDROCK iron oxide staining. fissile, damp. WEATHERED OJ C —- 26 - — —- 27 (29.5'-29.8') Highly weathered. extremely weak, — c el - - medium dark gray, (N4), silty F. SANDSTONE with - it. 3 interbedded, completely weathered, extremely weak. - 21 - _- gmedium dark gray, (N4), CLAYSTONE, noncalcareous, - n 31 - 28 BEDROCK Iron oxide staining, fissile, damp. WEATHERED — m -.-46 - <29.8'-31.5') Moderately weathered, extremely weak, _ �-- 29 50/3' - medium gray, (N5). silty F. SANDSTONE with interbedded. — Z G - 9' - completely weathered, extremely weak, medium dark - 0 0 0 gray, (N4), CLAYSTONE. noncalcareous. WEATHERED 03 Li- -- {moo `. © BEDROCK SS - O 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION ORIWNG METHOD: 3.25' ID, 7.25' OD BORING NO. HOLLOW STEM AUGER GWMW-10 N SHEET o: WASTE SERVICES CORPORATION SAMPLING MEND: split spoon (SS) 3 OF 4 — CENTRAL WELD SANITARY LANDFILL DRILLING W H GREELEY, COLORADO - START FINISH Z Northing 371,940.04 WATER LE/El. 34' TIME TIME J ac Easting� 2,193,279.39 RME 915 800 1900 g a< DATE 3/1/92 DATE DATE DATUM NGVD ELEVATION 4813.70 CASING DEPTH 3/18/92 3/18/92 CC H- DRILL RIG CME-55 SURFACE CONDITIONS very muddy Z O ANGLE 90 BEARING NA (..) SAMPLE HAMMER 140 lb/30' (O Z i- TEST RESULTS J _ m J "2 o2 a pZ r O aO 2i SAMPLE NUMBER < 8-4 K Q 3 xw 3'a o )- DESCRIPTIONND OF MATERIAL w z z Z J -'Wi co > Ed O w� 0 I O Q.W- mom u co ;0 j o - .�VU ss _ — — 31 - _ — 32 (4781.7) 32.0 - _ — - - N Q _ W - 34 50/3' - 1 7 - - - t ]• - (34.0'-36.5') Highly weathered, extremely weak, dark _ 0 0 a - yellowish orange, (1OYR 6/6), silty F. SANDSTONE - —35 `tom - with Interbedded, completely weathered. extremely — y - _ weak, brownish black. (SIR 2/1), CLAYSTONE _ m - noncalcareous gypsum. iron oxide staining. _ - WEATHERED BEDROCK - — 36it — - — v U Z - W — 37 La — - z la, u — 38 • - — m a o o } m 39 50/3' :::-.7„, 51(a) <39.0'-41.5') Highly weathered extremely weak. -$5- m T - ). medium gray (NS) sty F. SANDSTONE. noncalcareous, - 0 - -3r - wet and interlaminated, extremely weak, brownish - 0 w — 40 (1NM - black, (SIR 2/1). CLAYSTONE, noncalcareous, wet, 0 H- WEATHERED BEDROCK S ca — 41 - _— 42 - o - N ) — _ el 3 _ _- 43 - . — m u — - (44.0'-46.5') Highly weathered extremely weak, _ .. N, . _ - - medium gray (NS) sety F. SANDSTONE noncalcareous. — W — 44 50/2' — _ wet and aterlaninated, extremely weak, brownish — Z 2' -- 0 black. (SIR 2/1), CLAYSTONE, noncalcareous. wet — Z - WEATHERED BEDROCK — CO (IMO - -J 7- 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING MET(OO: 3.25' ID. 7.25' OD BORING NO. HOLLOW STEM AUGER GWMW-10 N SHEET o: W LJ WASTE SERVICES CORPORATION SAMPUNG METHOO: split spoon (SS) 4 of 4 z CENTRAL WELD SANITARY LANDFILL DRILLING i cn s GREELEY, COLORADO START FlNSH z Northing 37L940.04 ,NAB LEVEL 34' TIME TIME z ¢ fasting: 2.193.279.38 800 1900 -I TIME 915 DATE 3/1/92 DATE GATE 3/18/92 3/18/92 DATUM NGVD ELEVATION 4813.70 CASING DEPTH l— DRILL RIO CME-55 SURFACE CONOITONS very muddy Z O ANGLE 90 BEARING NA U SAMPLE HAMMER 140 lb/30' CD Z r� TEST RESULTS J �^ Wr o a gi "62 ' O I'- pp $ANKLE NUMBER —a ANO v M C x w ;VI 5- DESCRIPTION OF MATERIAL w 30 z r p N O W V W N > a1., mom 2 u do <8 0 a 3U Si —- 46 47 SEE ROCK CORE LOG 44.0'-60.0' - —- 48 — • _ — - N W —- 49 - _ — 2 , —- 50 _ r _ _ c _ - c —- 51 • - _ z — _ W _—- 52 - La — u — _ U —53 _ Cu _ m m - 54 I o —- 56 47 N 3 — —— i S. —- 58 - _ - 59 - z Z - - 03 W - - 0 CZ 931061 RECORD OF DRILLHOLE GWMW-10 sh..t 1 a I PROJECT: CENTRAL WELD BORNO METHOD: MR Rt7TARY__ NX/TRlCONE DATUM: M8L COLLAR ELEV: 4a13.70 PROJECT NO: 0132401 DPILUNO DATE: 3/1BA2 COOR3INATES 1:37TA40-04 E 2183279.38 LOCATION! GREELEY,CO DRILL F1IO: CUE-86 AZIMUTH: tNCUNATlON: -PO RACK TYPE , J.Jonr P4Aeve raorr,.e c� 2 F-Fail C w r1,v K.re,swd 2 = O w &Shea U-l),o,yrtr,0 9Y.9.oan C~7 0 �' '-ljg E, P-Fowv, FYT.arr W.V.Pour l Z z w ES -W DE9CFaPT1QN z' ¢ DISf.ON11 ur Y DATA 3 g Q P. TWARS I�MENTA llON a alry a_ � � noo d Y i tYrE Ara II-3. m° y g 5 a ag1 2" atwrAcaE• .4 r R_ �— `7) : 3SSR `o r R 3 L bfaclu 11°6. Ima1V2222\. aRsO`2� 46 4.5.0 5 - 470 58 7C1 1775 0 loan at top of run (45.01 9.0)Fresh.very week 5 DIF/FT,• •zc r. medium gray,(NS),silty fine :3o:• 'r%„.,, .with fresh,very weak.dark gray, y,,..:. (N2),CLAYSTONE.some iron 'i.;:c..ltd crOde al Sandstone, It K:a•<Fi: noncalcereous.wet s • 47 Claystone interbeda 0.1-0.2' 1 43 ;i a > in thickness, 20°1L Claystone i i y'- ,:�j Sample#1 ` 48.3-48.8' ir ' ; Sandstone 4784.70 4784.70 i- • (49.0-50.0) Fresh,very weak4a.0° 48.00 X^�A3 medium gray,(NS).silty fine 2 1m3>sx ' SANDSTONE.noncakareo6783 70 47,I"70 30.00 30.00 .' w' 3 100 } ' 4783.10 4783.10 .. .. (50.0-50.8)Fresh.very weak?e° 5'° ▪ S1 medium gray.(N5),silty fine — SANDSTONE.with interbedded, fresh,very weak,dark gray, i , (N2).CLAYSTONE Sandstone infillings In Claystone possibly due to ' bioturbation,rlorlcakareous NO RECOVERY 50%Claystone j ▪ 53 50.1-58.0'No recovery - 1 56 ti )(58.056.6)Fresh,veryam silty .00 2-5 DIF/FT.• r flweekne ANDi Ogray, g 7•g 4737.10 4747.10 , interbedded..fresh,very 56.60' 56.80 , ▪ 57 a CLAY dark STONE (N2). -4 (5&8-80.0)Fresh.very weak. ' medium gray,(N5).silty fine SANDSTONE,nonalcarsous Sample 92 ' 4 100 582-58.6' ' • 4753.7q 4753.70 ' TOTAL DEPTH>,60.0 Ft B0'0° 80.00 ▪ 81 .01F/FT. s approximate number _ of DRIUJINO INDUCED FRACTURES per foot - — 83 A 6.s DEPTH SCALE: 1'-2.5" LOGGED: J.CAEMEENS DRIUJNG CON-TRACTOR: DRIttJNG ENGRs C7+ECKED: W.I,Ei;sT Golder Associates 1 J�tl!J �� DRILLER RIG(ROGEas DATE: • SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNC METHOD: 3.25' ID, 7.25' DD BORING NO. HOLLOV STEM AUGER GVI4‘../-11 In SHEET u WASTE SERVICES CORPORATION SAMPUNG METHOD: split spoon (SS) 1 OF 3 CENTRAL WELD SANITARY LANDFILL DRtUJNG W AI GREELEY, COLORADO ce START FINISH Z u Northing, 370.657.79 WATER LEVEL. 21.0' TIME TIME z Easting, 2,192,380.76 TIME 1600 1400 1430 cc cis DATE 3/11/92 DATE DATE DATUM NGVD ELEVAIlOw 4754.31 CASINO DEPTH 3/2/92 3/3/92 Ct DRILL RIG CME-55 SURFACE CONOITIONS very muddy Z ANGLE 90 BEARING NA U SAMPLE HAMMER 140 lb/30- 0 g TEST RESULTS - �r w>;. C a OU K J �� m SAMPLE ANNUMBER U \� K e Q _> ---,<O Ln a 2 DESCRIPTION OF MATERIAL w - 3 V 'I' 2 dw _22K `� a OHO ao s J = o w� CO` m 3v —- 2 — — 3 — — — — N — — K 4 = X /- 0 �J - u u u 50 (4.5'-6.0') Stiff. yellowish brown. (10YR 5/6), - - 0 unstratified CLAYEY SILT, little fine Sand. SS — ›.- CO - r strongly calcareous, moist, (ML) = C] 6 amp — v, J z � — La w a: U —_- 8 — —, — — N _ a' _ 9 - m m — <9,5'-ILO') Stiff, yellowish brown, <IDYR 5/6), 0 0 r unstratiFied CLAYEY SILT, little Sand, — w 10 0 strongly calcareous, wet, (ML) - o 0 a U 3C 1 SS — -J 0 - IS' - -- 11 (wan — - 12 = o (1J ) — —_ rn ) _—- 13 — m ul K - 0 — 0 0 (14.5'-16.0') SttFf, yellowish brown, (I.OYR 5/6). — Z -- 14 - 19' unstratiFied CLAYEY SILT, little Sand. — Z — IB' X® strongly calcareous, wet, (ML) SS - Q — NOM 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNC METHOD: 3.25' ID. 7.25' 3D BORING NO. HOLLOW STEM AUGER GWMW-11 N SHEET u WASTE SERVICES CORPORATION SAMPLING METHOD: split spoon (SS) 2 OF 3 W W CENTRAL WELD SANITARY LANDFILL DRINC W GREELEY, COLORADO START FINISH Z u Northing• 370.657.79 WATER LEVEL 21.0' TIME TIME 7 se Casting, 2,192,380.76 TIME 1600 1400 1430 se o s DATE 3/11/92 DATE DATE DATUM NGVD ELEVATION 4754.31 CASING DEPTH 3/2/92 3/3/92 CC DRILL RIG CME-55 SURFACE CONDmONS very muddy Z 0 ANGLE 90 BEARING NA C,) SAMPLE HAMMER 140 lb/30' C.) TEST RESULTS z as J wO 'ES-:' o a Oct K J_ z� � m SAMPLE NUMBER �? X AND o Q iCE w ONO >- DESCRIPTION OF MATERIAL w z P z a:w oj -I N 2 6w 0O- a. mo w2 O o 0 3U x1 — 16 — - 17 - — 18 - — in ce — 19 = —' c o o ) 0 X(..±..) — 20 1 O (19.5'-21.0') Stiff, yellowish brow4 (I0YR 5/6). SS _ CO• _ unstratifled CLAYEY SILT, Little Sand. - )g gypsum, slightly calcareous. wet. (ML> - C — 21 mm� —� — Y - - = - - N U - -' z —22 - u ——z — — U — - u _— 23 - — — Cu P )- \- - — 24 CO m _ P (24.5'-26.0') StifF, yellowish brown. (10YR 5/6), - C 0 U unstratified CLAYEY SILT, little Sand. - C.) u, 25 3 slightly calcareous, gypsum, wet. (ML) — 0 0 a 0 IQ SS p - La* - — 26 name — 27 - rn o - - - P I _ • 1 Cu ) 1 2 _ 28 . _ 'm is, - 1 - \ 2 - — 29 2 — C $d - L (29.5'-31.0') Stiff, yellowish brown. (IOYR 5/6), - Z 2 '- 16• unstrat:fled. CLAYEY SILT, little Sand, - CO w aaao X© slightly calcareous. gypsum, wet, (ML) SS - O C.7--j LL 91061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID, 7.25' OD BORING NO. HOLLOW STEM AUGER GWMW—U N SHEET a: La La WASTE SERVICES CORPORATION SAMPUNG METHOD: split spoon (SS) 3 OF 3 Z CENTRAL WELD SANITARY LANDFILL i GREELEY, COLORADO DRILLING c START FINISH i Cwt Northing' 370,657.79 WATER LEVEL 21.0' TIME TIME a Eastingl 2,192,380.76 TIME 1600 1400 1430 ix z DATE 3/11/92 DATE DATE DATUM NGVD ELEVATION 4754.31 CASING DEPTH 3/2/92 3/3/92 CC DRILL RIC CME-55 SURFACE CONDITIONS very muddy ZZ ANGLE 90 BEARING NA U SAMPLE HAMMER 140 tb/30' 0 m TEST RESULTS Z ti a- "O hp i$ SAMPLE NUMBER ₹ oZ K J_ \ O 0 z CD \< K 2 `4 w o z w 'n DESCRIPTIONNOF MATERLAL w i-- o z a:w o j N ≥ O w-- aio— 7 " mo h'/e6 = o 0 30 ::1 ^ SS —- 31 , \ — - 32 — —- 33 - — — N — — K —34 — _ — o — _ 2 — 6 0 o 3 X07 (34.5'-35.8') Stiff, yellowish brown. (1OYR 5/6), —- 35 16' ghtlyunstratified, CLAYEY SILT, little Sand. — y�- slightly calcareous, gypsum, wet (ML) SS — m om — C — � (35.8'-36.5') Highly weathered, extremely weak, — 36 0 8 moderate yellowish brown, (IOYR 5/4). silty F. _ Y — 3 SANDSTONE, iron oxide staining, noncalcareous, — v, U — • •:•••• ®s, U gypsum, WEATHERED BEDROCK SS _ 6 0 0 37 IF — W uoz> (36.5'-38.0') Highly weathered. extremely weak, °S - ua — 0 ce medium yellowish brown, (10YR 5/4), silty F. — u -38 4 _I SANDSTONE, Iron oxide staining, noncalcareous, — - - I gypsum, WEATHERED BEDROCK (4715.8) 38.5 — m — — mm� m —39 - m _ ` C — — w—- 40 _ 0p < - -. J C —- 41 — _ — _- 42 — r N ) - - I £ - — in C _— 43 • — m u • - (44.5'-45.0') Slightly weathered, weak, medium gray, _ (NS), silty f. SANDSTONE, noncalcareous, WEATHERED (++ - 44 50/3' —BEDROCK Z < — _ r (4709.8) 44.5 — Z z _ XI 10 SEE ROCK CORE LOG 45.0'-60.0' SS _ p E- 931061 ' RECORD OF DRILLHOLE GWMW-11 ewe 1 1 1 PROJECT: CENTRAL WELD DORM METI00: NR ROTARY COTE NX/TRCCIE DATUM: MBl COLLAR ELEN 4734.31 PROJECT NO: 913.2403 DAWNS DATE 36elt COORDINATES N:370,657.79 E 2172380.7E =ATM; GfEELEY.CO COAL ma: ass AZIMUTH: OCUNATION: ira ROCK TYPE iJonl n.— 4-PSIS - KY 0.0^.40 KdaaOM 2 2 O 0 W 5e WAd4 344-884:841 g °60 F-7 tie DESCRIPTION 2 ,. W 05CON11NUITY DATA y i& a 6 2 O WSRRIMENTATON wATEFt LEVELS 6EY a Roo S 1 03 ,YPEAND 3O y m a row 6 5 e §'1 9.18408 3.j c LE c aAle% � OM 22S9. �' I R 2 0eD�P"°" a mi l2;22 82'ea ". 45 4709.31 4709.31 lose at top of run - (45.P60.01 Slightly 4600 43.00 c ' weathered.vary weak medium ray.(N5), E. fine -,F SANDSTONE.of Cl l sa3ne. eaA thin r; v. :-�sg c calcareous Cleyelofts, ti. 3 - u & 5 DIF/FT.• — 1 40 . :. Sample M1 46.3-48.6' ▪ e gray Sandstone loss estop of run - 4704.81 " 3 8850 G•:iS)0 fi oxygen at 17.1% 2 ,] Sy r 4704.01 50.30 . u 31 f : _ 51.3-51.9'Claystone with 3 54 `-?' Sample#2 Sandstone(bioturbenon) r -.'ii• 51.3-51.9' • 70%Claystone :. 4702.11 • 52.20 4 100 4701.31 y " ::; y% ' 510.0 s„`.':: 5 90 . 54.0-x.3'SbWrbated zone .70.00 . 54.00' • a 90 .5 55 4899.3, `3�a at 20.9% — 50.00 1.£ oxygen a 0.1 DIF/Ff.• 7 003 "c "< • Sample=3 56.3567 - 57 amen 57.e0 i oxygen at 20.9% . 8 5e- 5e m. 4895.01 mow" R8 58.30 core to 59.3' rotary to 60.0' 4894.31 _ TOTAL DEPTH a 60.0 Ft ea°° , - st •OIF/FT a approximate number - of ORIWNG INDUCED FRACTURES per foot ; • - m - es — DEPTH SCALE: 1•.023. LOGGED: J.CREMEENS DRALNG CONTPACTOR: MILLING ENGPS CHECKED: W.KERET It Golder Associates MRIU.ER: RICKROGERS DATE: 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION ORIwNC METHOD: 3.25' IA 7.25' OD BORING NO. HOLLOW STEM AUGER 61.04W-12 In SHEET w u. WASTE SERVICES CORPORATION SAMPLING METHOD: split spoon (SS) 1 OF 3 CENTRAL WELD SANITARY LANDFILL z GREELEY, COLORADO DRILLING w START FINISH L; V Northing, 370,689.66 WATER LEVEL 21.0' TIME TIME w ¢ Eastingt 2,193,901.46 w TIME 1600 1330 1845 c o: LUTE 3/11/92 GATE DATE DATUM NGVD ELEVATION 4759.40 CASINO DEPTH 2/27/92 3/2/92 CC DRILL RIG CME-55 SURFACE CONDITIONS very muddy Z ANGLE 90 BEARING NA O SAMPLE HAMMER 1401b/30' Q ' •- TEST RESULTS J 4z cc,-,p co tt o n 00 K J_ d SAMPLE NUMBER L Ow 7) N' I E �> \<0 2 AND ce u N� 0 a_L., Oz¢ �' DESCRIPTION OF MATERIAL .a z 3 a:w -J N 2 w� 0O" mo to ¢O o 2 0 o a 3,, -- 1 — — 2 — - — — (4756.6) 2.8 — _— 3 — — ,-. — — N — a' - 4 — = 3 Cu. — 0 0 0 — i 5 3 `/ (4.5'-6.0') Loose, dark yellowish brown, (IDYR 4/6), — } — 3 /py1 unstratIfied, SILT, some F. Sand, trace Clay, cool SS — m _ r fragments, roots, dry, strongly calcareous, damp, (ML) = C - 6 awn _ — Y - = _ — In U _ —_ Z — 7 — w — — z — — tz _ — U _— 8 — -i — — w — — a' 9 — co _ - C — 2 O (9.5'-liD') loose, dark yellowish brown, (IDYR = a a 0 0 u, 10 3 4/6), unstrat;Fied, SILT, some f. Sand, little Clay, — 0 < 3 strongly calcoreous, damp, (ML) SS = —I p Is' — Tr — — 1 1 noon — — 12 — r, N _ — — (4746.6) 12.8 — t° — \— — n z - 13 — m 0 - 14 2 (14.5'-16.0') Completely weathered, extremely weak, J a • • • medium yellowish brown, (10YR 5/6). silty F. Z — 3 • SANDSTONE, strongly — 0 0 6.8/( w - 2 calcareous, 9YPsun, dry. — CO XO3 WEATHERED BEDROCK SS — O 6 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION 1 ORILJNC METHOD: 325' ID, 7.23' OD I BORING NO. HOLLOW STEM AUGER C.WMW-1z SHEET ac LI WASTE SERVICES CORPORATION SAMPUNG METHOD: split spoon (SS) 2 3 z OF CENTRAL WELD SANITARY LANDFILL ORILUNG z GREELEY, COLORADO CC START I FINISH 2 u Northing. 370,689.66 WATER LEVEL 21.0' 1 TIME i TiME - CL Fasting, 2,I93,901.46 -.J TIME 1600 k 1330 1845 .g n: DATE 3/11/92 DATE DATE I DATUM NGVD ELEVATION 4759.40 CASING DEPTH 1 2/27/92 3/2/92 GC DRILL RIG CME-55 I SURFACE CONDITIONS very muddy Z O ANGLE 90 BEARING NA ' C..) SAMPLE HAMMER 1401b/30' I o - - 2 TEST_ RESULTS — J m W J 7 K J t. W Zo wz s SAMPLE NUMBER Q a- K� a ?y � � AND a , ,nv i 0 s..., • 0 r. DESCRIPTION OF MATERIAL w z 3 z o w N 2 a.w OZT Oz w _ w`-' COO'—' c mp wZ 0 O Q O . ' �' - ' .3 s • �J SS - — 0100.) -- 1 6 .._) — — — — t7 • 18 �., w 19 0 0 0 = — 30/3' • `1.q, (19.5'-21.0') Completely weathered extremely weak, SS' — S• �y`/ medium yellowish brown, (IOYR 5/6), silty F. — 20 c( SANDSTONE., noncalcareous. gypsum. dry, WEATHERED OG — BEDROCK -- 21 = - x v, - z W 22 wI a U - 23 — 24 • •• co CO (24.5'-26.O') Completely weathered, extremely wenk, _ 0 0 0 uJ 0 44 • �/�5� medium yellowish brown, (IOYR 5/6), silty F. — W —.. 25 50/4 /x` SANDSTONE, noncalcareous. gypsum, wet, WEATHERED SS C7 i- - la' BEDROCK - O0 C W - gWYJ 26 — 27 ri of N ._ - NI ) (411 t .- 28 - - 93i ,— (29.5'-31.0') Conptetety weathered, extremely weak, - - 29 medium yellowish brown. (10YR 5/6), silty F. - Z SANDSTONE, noncalcareous. gypsum. wet, WEATHERED — o 0 0 w BEDROCK — Q CD SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID. 7.25' O➢ BORING NO. HOLLOW STEM AUGER GWMW-12 N SHEET u La WASTE SERVICES CORPORATION SAMPUNG METH00: split spoon (SS) 3 OF 3 CENTRAL WELD SANITARY LANDFILL ORIWNG W GREELEY, COLORADO &I START FINISH ' V Northing, 370,689.66 WATER LEVEL 21.0' TIME TIME -J 12 Eastingi 2,193,901.46 E TIME 1600 1330 1845 ix DATE 3/11/92 DATE DATE DATUM NGVD ELEVATION 4759.40 CASING DEPTH 2/27/92 3/2/92 I DRILL RIG CME-55 SURFACE CONDITIONS very muddy 0 ANGLE 90 BEARING NA U SAMPLE HAMMER 1401b/30' (.._) TEST RESULTS J D K J Li �-]I�t' 6 pU ZF 2 Ca 30 m SAMPLE NUMBER \ K o x w p N w >.. DESCRIPTION OF MATERIAL 2 AND w — 3 Z !fit,' o --• ni > a-• mo� a mo i § x O ca u31 3 U - 31 — 32 — — 33 — — N K _ — — La — — i 40 `-' SS — 0 0 0 _— 35 50/3 — } (34.5'-36.0') Completely weathered, extremely weak, co medium yellowish brown. (10TR 5/6), silty F. — ` SANDSTONE, noncnlcnreous, gypsum, wet. WEATHERED — O - 36 BEDROCK _ = N 0 — Z 1.4 -37 _ i W — — n — u — 38 — i nl _ n 39 — m m - P o 30 .• A (39.5'-41.0') Completely weathered, extremely weak• — 44 — 40 50/2' '.iCJ` medium yellowish brown. (30YR 5/6). Silty F. SS — o o o C9 i- — e• SANDSTONE, noncnlcnreous. gypsum, wet, VEATHERE➢ — p 0 e• BEDROCK - - o0* - - 41 = — 42 — — o N — ) _ n x - 43 - c u — ' TOTAL DEPTH = 45.0' - Z _ Z SEE ROCK CORE LOG 45A'-69.0' = p CZ 931061 RECORD OF DRILLHOLE GWMW-12 snow 1 at 2 PROJECT: CENTRAL WELD BORING METHOD: MR ROTARY CORE NK/TRICONE DATUM: hB. COLLAR QTY: 4759.40 PROJECT NO: 9134403 DRILLING DATE: Zflfl COORDINATES N:370.889.86 E2ID39Ot48 LOCATION: GREELEY.CO DRILL RIG: CMEde AZMUTN: NOLMATION: 40 ROCK TYPE J4.1 Pla0Gn.d FPabW p 9.8.. ST-,wood 9Yi41 a 1 j O se.ea,s 448.4.4 74440 Z H I V 12 NOTES n Riwwvr HtinPr. VFW.84448 ix. Z Z It w EVELS ELL DESCRIPTION = - - N - MINUT'DATA — a 0 g WATER 4TATI eve. 1`ga g'¢ 2 a z O INSTRUMENTATION 1 RID li OOO O(771674 O¢ ,WQ e � ;; CRR$$Xr 22221 - .. S ear 2;22 . 22;c12 - 0 471440 014.40 (4S0529)Slightly 4600 4603 ;: :4"n. 90J.RFs yellowish brown,( 010YYR 4/2). :. silty fine SANDSTONE2 noncakareOus,wet.iron oxide 4, ', *I:;.l ' staining = x '44 - 47 48.5-48.7'and 47.4.47.5) 1 SO 1 - Dark gray.(N3),CIAYSTONE interbeds a. . 48 4710.40 49.40 . ' 49.9-50.2'Claystone € 5-10 DIF/FT.• ▪ 51 2 92 Sample 't 51.7.5211' ' 4708.90 — 53 (529-58.1)Slightly 52.90 • 30J,RH - weathered,very weak,medium @ • 30J,R1CH dark gray,(N4),silty fine 3 SS SANDSTONE,with interbedded, dark gray, x10s,CLAweft YSTONE 4 • 70J,RIRK Sample noncalcaretou54.1-54.8' 54.3-54.8'Claystone 4 100 j t at 58.W 9�gen depletion — a 55.038.5'Same as above. 4a0o x3� 'L3 %oxygen a 18.7 ' slightly calcareous liAll rikSiii • 5 m ' 582.58.4'Claystone N9 4702.50 s7 x90 1-5 DIF/FT• Sample•3 - e ,4 a 11 57.0-57.5' 4701 130 (58.16 54 1.1)Slightly weathered,very weak dark yyyy medium xlo 1-4 DIF/FT.' e a34ata SANDSTONE with interbedded, 2 dark- 5s gray,(N3),CLAYSTONE - noncalaamolle.wet 58.8.561 Cbystone 7 w S ▪ et - ' (81.869.0)No recovery 489760 40 cease coring at 61.8' • Tri-Dore to 89.0'total depth , - 93 - 98 EPR1 qr.'P. 1•.2S LOGGED: A CRI]AEEN9 DRILLING CONTRACTOR DRILLING ENGR4 CHECKED: W.NERST Golder Associates DRILLER: RICK ROGERB DAZE: 924061 RECORD OF DRILLHOLE GWMW-12 sheik 2 2 PROJECT: wawa.WELD eORiNG MEMO: NR ROTARY CORE NX/TRICONE DATUM: a COLLAR MEV: 4750.40 PROJECT NO 9112407 DRILLING DATE 2f2lY2 COCCONA1ES N:3708896E E:21aS.Wt48 LOCATION: GREE.EY,CO DRILL NO: CME4F6 AZIMUTH: INCLINATION: PO ROCK TYPE JJ=9 Planar P.Poleed Q Ff4W CGLve4 It.eaetY4 Z S O O to E 8 Fs1 arm1 Wools I. NW I4Hk z z O 3 z NOTES J �f `luZ_ 3 2 a W LL DESCRPTION 2 r W DISCON11NUITY DATA S m 2 2 WATER LEVELS a ¢ ? O INSTRUMENTATION a-EV yy TYPE ANO OEFIN R[D '� 8 OESURFACE et 9CMP1gN I8 3 thz 3 2 R: � X332 - - R Y , mil1�2s22�4s'22,22 ▪ es _ e7 - • • 4590.40 TOTAL DEPTH=69.0 Ft. et a° -DIF/FT. a approximate number of DRILLING INDUCED FRACTURES per foot ; - 21 1 - 75 - • - n • • _ n - • - 01 - • - 83 m - OEPTH SCALE: H=z5 LOGGED: J.CREMEENS DRILLING CONTRACTOR: DRWNG ENORS CHECKED: W.HER6T Golder Associates 93196,Ej DRILLER FUCK RDGER9 DATE: SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNC METHOD: 3.25' ID. 7.25' 00 BORING NO. HOLLOW STEM AUGER GWMW-13 Ea SHEET o: WASTE SERVICES CORPORATION W CENTRAL WELD SANITARY LANDFILL SAMPLING METHOD: split spoon (SS) 1 OF 1 z - GREELEY, COLORADO DRILLING z W K START FINISH Z W Northing: 371,668.93 WATER LEVEL 21.0' TIME THE -a 2 Eastmge 2491.477.46 11ME 1600 1500 1515 c a: DATE 3/11/92 DATE DATE DATUM NGVO ELEVATION 4769.99 CASING DEPTH 2/18/92 2/21/92 CC DRILL RIG CME-55 SURFACE CONDITIONS very muddy Z O ANGLE 90 BEARING NA V SAMPLE HAMMER 140 lb/30' 0 TEST RESULTS J 2 w≥ oZ a O V K J Z2 i, m SAMPLE NUMBER < �7 K -- C: -a --....go AND U 0 x o' W DESCRIPTION OF MATERwI w ✓?✓�� o z w a J 4 tn O. CO CC O a 2 m0 w" x o O <O 0 —- 31 C0.0'-35.0') SEE SOIL BORING FOR GWMW-6 - —- 32 -- _ 33 —_ v, z -- 34 _ i — — i - 35 — 50/6' XiU SS e (35'-45.0') Highly weathered, extremely weak. — CO moderately brownish yellow. CIOYR 5/4), silty F. _ C _-36 �100YJ SANDSTONE. poorly Indurated. WEATHERED BEDROCK — Y — N V — — z _- 37 — z — Li — — u —- 38 — _ - — ru co _ >-- co -- 39 = CO m - LJ - - 0 0 0 C-D w - 40 CD i- _ — O CI —- 41 — - _ —- 42 — n n - - o nni ) A _. '-- 43 _ — m u i - - _ - 44 _ Z z _ TOTAL DEPTH = 45.0' _- CO -, Li_ 9.31061 RECORD OF DRILLHOLE GWMW-13 snow i a 1 PROJECT: CIXIRAL WELD BORING METHOD: AYR ROTARY CCRE NX/TRICONE DATUM: Mal Cd1AR ELE/: 47711.9.3 PROJECT NO: 013.2403 DfUUiNG GATE: 22t/a2 WOROINATES N:37185695 E 2191477.48 LOCATION: GREEIEY,CO CRILL PUG: OME45 AZMUTT+ 'CURATOR: 40 ROCK TYPE JJSY PLJRer P4bYe4 F-Faa CGw M 4d K- d Z I 0 0 W Samar uJ.W*4 SMwroG. 0-C u8G� }}.055 OJ fi a ' wits � 0 FF�sn� I+nar 0.a� Z ? 1- 7.5 ' WA7FA LEVE1.4 -+ RaY.fleual �-_ a •-_ DESCRIPTION i w W OIBSONTNUfTY DATA m O 3 _ELL' 8 a z O INSTRUMENTATION € �E Q DEP1N C i5 P°° .W % Y IS w 0- a •Rau 'el Fn c 2 $« �' I « S tJFraCRI/11atT lit r'taa"r< . 'Xaca¢ _ '72484 4724.09 e (45.0-45.8')Slightly 48.00 4SOo 83J.R.B i -� weathered,very week moderatoy; a 254.F LIEN �M yelkaWeh brown.(10Th5/4), z: i y silty fine SANDSTONE Zat laminated.iron Wade stained. :i: '..':..'.'.0.."1 noncalcarso.a s> l nn - 47 (43.8.50.1)Fresh wry Week, ' medium dark gray.(N4).silty Sample 9' fine SANDSTONE.Min t n .1; 47.317.9' CLAYSTONE(black)laminae (.01.03),slightly calcareous, becoming noncakarsous with depth rat . MD 00 54,44 ▪ 49 -.47t � 1-5 DIF/FT.• w.CO co lliciA • • 51 • (52455.0)Percentage of 2 a x r CLAYSTONE interbeds increasing . - and thickness increasing (0.1-0.3) • Sample 02 53.1-53.8' • I:4;16 • - 58 4714 500 5•>i°DIF/FT. �„� - . ii L . (55.555.9)Gay zone 3 53 '` 4712.09' >to DIRFt• 5780 gL 3i. :::1:1141,:/i 0. 59 4 a a ' a W . 4709.89 4700.89 •x Wit TOTAL DEPTH-80.1 Ft eo.to e0.le - 81 'DIF/FT a approximate number • of DRIWNG INDUCED • FRACTURES per foot • ▪ 83 m DEPTH CONTRACTOR:San, oRILL,Na H+GRs LOGGEDa W EENS R CREMER ff,PGolder Associates DRILLER: FUCK RO(iF9ig DATE: 901061 RECORD OF DRILLHOLE GWMW-14 Bheel 1 of t PROJECT: CENTRAL WELD BORNS MET100: MR ROTARY WIFE NX/TRICONE DATUM: a OOUAR EtEV: 476124 PROJECT NO: 913-2403 DRILLING DATE 2/17Nr2 COORDINATES N:37114054 E 2S2067.82 LOCATION: GREELEY,CO ORaS at CUE-56 AZIMUTH: INCLINATION: -90 ROCK TYPE -men PtMaw raawra O see. uasaaee saierreoM a.�,5 I7 7,5 0 a F. 8 0a.ase sTdrepa MR.ar t8 S_ ,• A 2 NOTES O F4Flrarr wimps. Yr4V.Rough Z _ = 14 WATER LEVELS u DESCRIPTION Et- .4 019r>ONnNUrry DATA y O INSTRUMENTATION `q �}y� __ Q Z0. f 0 Perm 6 U•U e g S SWfACE Ig G₹ ¢ 8$g H I x 92...5 ESSE �2 I S E I 0saalirnaa %tT1a¢a'or\¢'arrat 473824 I- - See GWMW-7(0.0.25.0) 2520 NV*weathered. amen*)wee•.yellowish betel 10YR Se).fine DST SANONE day cenntt none Masai.wet - 30 - - 35 - 40 - (41.0.44.5)Moderately 4Mp�4 • 20J,R .:-: begin coring at 41.0' weathered,very weak moderate • 30.1,R,H ';l yellowish brown.(10YR 5/4). • 60J,R,IRK silty fine SANDSTONE, noncJkareous 1 w xg Sample*1 471874 i 43.7-44.4' .• .46 (44.580)Slightly 44.30 �'. - weathered.very weak,medium 4715.24 - �.., noncalcN Y•W .Clay CLAYSTONE, e... 43.66 • no }'q � 4,4 49`.. (45.035.31 Fresh.wghtty 2 75 49Y,'.., weathered.wry week medium gray.(NS).Ilse SANDSTONE. 47129A no a .lenticular 4840 • • bedding ng re Sample rs2 3 e 48.3-13.1' - 50 482-48.5'Clay lens•, 4710.94 £ - 47.6'Clay lens*,broken zone. recovery as Seca 50.30 49.7'Clay lerwe,broken zone (50.3-55.3)percentage f {,- CLAYSTONE interbeds increased 4 e 3-7 DIF/FT.• with dept '»£ , ' " , Sample 4r3 . 53.9-54.4' —'(55.3-58.71 Fresh.weak rock. 4s6.a0 medium gray.o N5),fine SANDY SILTSTONE.with interbeds of CLAYSTONE(lenticular). 5 a, slightly calcareous 1-3 DIF/FT.• s 470254 470254 f I OTAL DLPTH.58.7 FL 5620 5870 - 0.p - •DIF/FT.approximate number , of DRILLING INDUCED ' FRACTURES per foot 36 DEPTH SCALE: 1•.3' LOGGED: J.CiEMEEN9 DR CHECK®:OF6WNGENGRS CHECK®: W.MUST Golder Associates DRILLER: RCP ROGERS DATE: 931061 • filer�k4h yerwtl�r"y',`a<1rfa4� �yrmsM+e. yk„ p.&ti* i"`°:. g7sD,tu.MwY#*ki+'«pn y �„" g,;` -, ' yljy J"!r i .,3 ''! yt�y .Z _. }-,",:.,‘;'2:45--4"-4:'($c", iTkIMW +f'[v ;I.FWfY567. *41�'5`Mr3f ? ? �b'W�' �4 �C a ):„� y .si%." aLVrc w � .'4�'@~r � Mr,�.#,ti C1�{NJ'(.+•tka4;�Kx' JS144�'S�,.i{i'n.NY �. yf 3.,�,n'.:^-la4M- tli.4.J3.` � t'''''''''''''"' an.a .�. Y., .".fin ♦'.iyupalWr,4MK.t+;4i`+'.e" +e > `S ' a{� 7- F s4 ?C'.)/..- r: 1;p s • - T r s .. x _ y .r'k 3.4,i Cp'•"j� 1,xr",4V Y n d x t i, t ;-(T o ?5'" f:"i t a 13 ,r4T-k txr L .'e re .0---'4-€1/2424"4"y 1 Yr #r p `/f f #+i.4u�ar ty' tFI,w:. } 4-. .4' rr Y '> " KC :rx ,:i.:1,,,,,,.x { 4.n ,r.t y d y w:wi a - :-.y C it e t `.p+ :a >. ' "r '� d .-, i a�". i r+. { r�' �- r' ep,-,:',':2)-_,:..:-;'_' u '�` Src"`7-�'�`. +%s;�F"''.6"."6.4.."6". fi. 3 +. 6^4a`''ai! 'F! b�f`, S''A b�7 n-`°' : ., twi , .-.a itsl a c I*. r '-C, v d Artt , 3 s [ 3 F , .' ..- . t , i,-9 ' !t C-Cifi 'In V '' '. d ..,p 4 IIy, �ay t Y �.+ ru„.:�ry is .. Y '� ,;,,,,..,7.1.—',..-":,-.- R fr4 'N�,.4fu .�.nt�db;-* t ,' }I'?'v„I&h— FlrT x ^ 'c" .a �@RK.1`" :. 4.«,a r,yn `+ n_y� ,m l,.- {,. V ". 1r^4 . 4 - + ' �T,;', .. �� - tF�� 'jFVl � i q z`46.-.-4 .- -- thy. p 'er.{� ..-,H 9 '{. sCeca'F. :�-i`7 "1SZ {y •�r+�. (^" x a1}{2S1^�sx ss^xt vs`7,T#'Y r .:F ' rv-:,,,j..',-, +t .^"5 r a._.Py!. M ` "y+ .�.r, .,:rL.w '_. �«�tYS...x .:.+y - r +n ;. APPENDIX C d LANDFILL SOIL GAS PROBE LOGS �i: i.'0,6':'6":6'! ::•'-'6,1:66:',6::::a..n„ r < 6-' : :,n+.u-r.Fv,.k'-.. .-..dt ,i•.. w� . �r,.t,.i+.eL> �.4kJ F,.c+ i+-';y. 4a.,k-:..,,:.:e .,rywz.tY:z ......4..,�I.,,;a :k+. -'vYa .#J41s-.Cw< ,{ �y3� {;,� 4, Sta`J,,^ {6794"' .',4'-," 6.rott`:".4 sy -`#4 k, el-ft!' t r” ,-`- :6'< .r. ''. ., . y Dd 43� 3"'',�gTya�ri'�M1M'S9.+v7f 1"{ ,,.• r. t 'nr a's '[1 4 *,„'` r 4 ,y h 1 .:.:. >�+xr i 4 ,,,6". ". ;6 .fat „S ww .w w:', y q `4+ � 7r awRFna 9 ,i. 4.4406,11,:,4.:::,4,{ u i` d•,'f `d � T��' -4,—.w1i ?, �£..- 7ti.47S �I ,7.A "� ,-.--4 d> ,, a• w % • "$ r '' k '::. , 4y.e{.° w 2 Y+. ♦ i�fi .1st ri4 i1h �rt,.g? t = {4:16 L_af r -,; -' d . .w g,... 4i 44. �. a Y"r. e1.i"`dr sr'a s &'c r �, ° x > t x ' `< ��i!` JiS" ,1R.r�4* '�',2,2, ti 7.,~~pr"i: *-m 7 Y iFF' °>T¢'t.,:,16`;"HT", sr" .:: 3''r %r0. 6....,.:,: ym R s o `! d ii Y +Iwo, P v 9 v.,' t>, +`S,"i {yr I. { a' '4 `Pr^' .�.sw A t ss v N,atl I A' -67.67' 't "% '. . 'n :d ,d', Ax.T ?. rye]$ Y ,vafri Q w p"{., •-••••,, " r `"' 't:7;t4,-„t4,--,t,. i t f[. #i '-.4:3S",°;-44� d -$:„.1%Ty , k-,•. �' dT4r .' i1! Y1t'"�"h ?/v ,S",. 't' '�L. Bi ° "' wa riv.'+ t ' gip- I S.d A r E t++ . V L "X7.,. ,, `.Aj ',}"A:af'F 'e 1-'11.76 th , �er :..};4 'LM h.3 5r 4�I`>.,,1" .f.iJ }1'��t e� `t .t.. .,-4., (y / 4 t , +h✓ f�-r'1- l." o' c .tt <t rF Y siy+n 4 r t r i^i .f b f sk b e e� s'� n`f. 1� ,4 z k r w 44l'' t4 Ott f", '' a„.` ..4;.r r `l ,z^."4:'% Y :. Ji:r ;1 '"i ) id ! x Y y y f :µr t 4 x :r w C y.' we Y .- "•4 s r 1' 6 rc fl F � a+tee '.` a '• g ,''b t :� {r ° tdn` z '`l >a e - o Ae { 6.166,6.•'''Y'''.+ ,b s+ r .ux i i - 2�� .. k :{ t 45W1 d r b M • q. 'INC" ,,. t x$*12 -F 1. r{ ,i Att:zax P W 4 1 J 2 ry.L C5,- Y s i i.^. ... tl ! .ti£t 3f °f c'"l f V j 4 4 1 Y,Y E Y.d Cox,. F q r ' k# 4_%c- r e j 13'��SITY47 y�G T ° ��i.`xv P _x5 at t" ' F �} 1..'tw , a ' xFc : t.;; k Z.-WV:,at 1 b. : r x e s'.4 rf ay u P-*at y ' ,. 'r v x i 'a'ten.:?;" fP.'fPxYb . 4: vei 'dt `YT 4e y ' c.. I,..F�"}Y 10'/ d ':-Jet t •674,1:111'‘ Y? 4 4 4 T4' k'ip �.. 5i'4 '1 j :8 i CrY 1a ...."4,-4,k-; C Sa 4 . a [IL�r ,,- t. h. .4 3 a . , 1 w , 44 {� 913-2403 . � FFY.s 13QRr` 4a4itte ,, +1 i. , .*'3,��; �r`f+,"�"t .tt .yry2'" /+'ray t{ a?{*' r ,r "21;4):--- Y li LYep -+','":2,4S';': P ,a t + 1 ^ ">r*r:I-ILi Kroai -' * 's , "Y ':�`" k'k-.+�, g,� 9- hi,ti n i 4n, 1 7 x '7r, t, i '- °.h "laver fir 4 '.:,....,,,,-7,4,t,,,,,,,.„..„..,..,,..,,,,,,...,„i� 4' 3 v,. ,n Y i 3r: �' I `x m r r "'F . r +. i ' 4 . 1674 1 •, y, y'' .�r @ �4,� 41•i R FC' „r*:;'n� •` s4y�6 'L v�: r.,:::,.1,1:6!i.' $ iKe: ' :. .. 671',....5 1') Kr .. C/6'r'' . f ' V i §"' u_ •" ' .4.'4n tl`Y. 6767 t3S-,' r -Q r r r.: ., y: � 'II*:-- 4� r9; � t'z �9tl� MtM'4, �f'€' 'E4yY N aF.; 7,,:e..�'�� , e Golder Assocwtes' S r P y a r ", � my. ' te' p sr '' hews "t r 4 C.r. d* >±.1..kJu'.l..tt ,.* 'nt..fECtd., .x66...,.14,K S. ,. AT w yqe ds ( n:r-Y+.. zd , .. MAJOR DIVISIONS GRAPHIC GROUP TYPICAL SYMBOL SYMBOL DESCRIPTIONS CLEAN .� . . '..v. .. WELL-GARAGED S Oft GRAVEN-SAND GRAVEL GRAVELS G W MIXTURES. LITTLE OR NO FIN6 AND •,• • • �• GRAVELLY ss( ) SOILS Imo`P POORLY-CRA0E0 GRAVELS. GRAVEL- COARSE V SAND wrnft5. LITTLE OR NO LANES GRAINED SOILS MORE THAN SOX OF !I 1 J C.i� COARSE FRACTION GRAVELS I i F '.• G M SKIT MIXTURES VELS, GRAVEL-SAND-SILT SEDUM ON F • - Nw. s SIEVE FINES I i' \:'� Wag MAN s FINES) I 2 w .. G C CLAYEY GRAVELS, GRAVEL-SAND-CLAY !\ .\ �J wL'luREs SAND CLEAN WELL-GRADED SANDS, GRAVELLY SANDS, AND SAND SW LITTLE OR NO FINES MORE THAN 50% SANDY OF MATERIAL IS SOILS IMES THAN T� POORLY-GRADED SANDS, GRAVELLY NO. 200 SIEVE SIZE S NES) SP SANDS. LITTLE OR NO FINES LESS THAN 50Y.OF SANDS COARSE FRACTION WITS '• i]I, !. S M SILTY SANDS, SAND-SILT MIXTURES �ANFQ ON a SIDE FINES 1 (MDR[ THANFINES) \\ SC CLAYEY SANDS, SAND-CLAY MIXTURES ?FE FINES) �' \ \K. I I 1 INORGANIC SILTS AND VERY FINE SANDS, ' ROCK FLOUR, SILTY OR CLAYEY FINE M L SAMOS oR CLAYEY SILTS WIN SLIGHT SILTS WI ! ' PUSTICm FINE MOUID LIMIT '\�\ \\ INORGANIC CLAYS OF LOW TO MEDIUM GRAINED AND AM THAN SOS \\\\ CL CPuYS,CS ITV GRAVELLY CLAYS. OY CLAYS O 1L ORGANIC SILTS AND ORGANIC SILTY CLAYS OF LOW PLASTICITY INORGANIC SILTS. MICACEOUS OR II M H DIATOMACEOUS NNE SAND ON SILTY IC i. SOILS OS MORE THAN S SILTS JII OF MATERIAL IS / aMAMTHANUOWO WY INORGANIC CLAYS OR NIGH PLASTICITY. NO. 200 SIEVE SIZE AND T TRAIN CH SOS Fe GUYS CLAYS I OHORGANIC CLAYS OF MEDIUM TO NIGH n PLASTICITY. ORGANIC SILTS HIGHLY ORGANIC SOILS P T PEAT, HUMUS. SWAMP SOILS WITH INCH ORGANIC CONTENTS L. -V MOM DUAL moots ARE USED TO RIOICATE IOROERMNE SOL CLASSIINJibNL CUYSTONE ROCK !. :7....' ::•::. I:' SA TYPES v... .......:....:Li e8(80 . . . . . NNOSTOME TmE SOIL AND ROCK CLASSIFICATION CHART Denver, Colorado CLIENT/PROJECT DRAWN DPH PATE JOB NO. JUNE 1992 9z3—zao3 I WASTE SERVICES CORPORATION CHECKED SAC SCALE NOT TO SCALE DWC NO./REV. NO. a 240JC AS.OWG :_H CENTRAL WELD SANITARY LANDFILL REVIEWED FILE NO. FIGURE NO. JJ1U61 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' I➢. 7.25' 00 BORING NO. HOLLOW STEM AUGER SG-L SHEET w laJ WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL I OF 2 z CENTRAL WELD SANITARY LANDFILL DRILLING u GREELEY, COLORADO cc START FINISH 2 V Northing: 372,744.47 WATER LEVEL 21.0' TIME TIME -4 z Easting' 2,191,475.35 TIME 1600 1530 1630 c o: DATE 3/11/92 DATE DATE DATUM NGVD ELEVATION 4815.40 CASING DEPTH 3/11/92 3/11/92 CC DRILL RIG CME-55 SURFACE CONDITIONS very muddy Z 0 ANGLE 90 BEARING NA (..) SAMPLE HAMMER NA (.) o.. g,;:-z m TEST RESULTS Z w,� C a. O CO M —I _ a p SAMPLE NUMBER 2 O Z ,- 2 \<O m AND Q o �� $ C] -- o'n w N DESCRIPTION OF MATERIAL w z o z ¢z o w N 2 yw z' d L �O wZ p o o�- m0`� < m _ CO 3U — 1. _. (0.0'-3.0') Stiff, yellowish brown, (10YP 5/8), — unstrat;Fied SILTY CLAY and f. SAND strongly1 cnlcareous, gypsum. damp, (CL) O — o o a 1— 2 CS - - 3 (3.0'-8.0') StiFF, yellowish brown, (10YR S/8), — — unstratiFietl SILTY CLAY and F. SANG, strongly I calcareous, gypsum, damp, (CL) _ s= =__ 5 _ >— CD CSC7 6 - a o a Nz- _ i_ ta,LS_ C uV l(8.0'-9.0') Highly weathered. extremely weak, dark — N— yellowish orange. (lOYR 6/6), silty F. SANDSTONE - m— and interbedded CLAYSTONE, noncalcareous. — 0 0 0 m m9stratified. gypsum, damp. WEATHERED BEDROCK<9.O'-9.8') Highly weathered, extremely weak, dark— = �— yellowish orange, (IOYR 6/6), silty F. SANDSTONE. — C w10 noncalcareous, damp. WEATHERED BEDROCK p3 _ CS LU C(9.B'-13.0') Highly weathered, extremely weak, dark = f.— 1l and— �nterbedded CLAYSTONE, oncwish orange, <10YR 6/6), alcareoDsTONE_ stratified, gypsum, damp. WEATHERED BEDROCK =- 12 - m— — o _ _ Nm I 1$ (13.0'-18.0') Highly weathered, extremely weak,.dark _ m_. — yellowish orange, (IOYR 6/6). salty f. SANDSTONE — _ and interbedded CLAYSTONE. noncalcareous. _ ..- l q stratified, gypsum, damp. WEATHERED BEDROCK 0 0 0 O MO = Z Z < m— CS — O' 17- 931 0 61 SOIL BOREHOLE LOG SITE NAME AND LOCATION ORIWNG METHOD: 3.25' ID. 7.25' 0D BORING NO. HOLLOW STEM AUGER SG-1 SHEET a W WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 OF 2 z CENTRAL WELD SANITARY LANDFILL ' z GREELEY, COLORADO DRILLING w re START FINISH U w Northing: 372,744.47 - o fasting! 2,191,475.35 WATER LEVEL 21.0' TIME TIME J o: TIME 1600 1530 1630 c s DATE 3/11/92 DATE DATE DATUM NGVD ELEVATION 4815.40 CASING DEPTH 3/11/92 3/11/92 Ct DRILL RIG CHE-55 SURFACE CONDITIONS very muddy Z O ANGLE 90 BEARING NA SAMPLE HAMMER NA C)' m TEST RESULTS J I. 2W) O u 8u tt J Z� �a a.E m SIMPLES NO UMBER \71 M z 2 \ O 2 O v,U C m �'^w )- DESCRIPTION OF MATERIAL E a a: a:w -I y 2 po O N > Oy coo -' u 0 <0O a 2 O N 3U —- 16 — CS - 17 - — - - 17.0'-17.5' Gypsum 17.5'-18.0' CLAYSTONE _ _ 18 — _ - (18.0'-20.5') Highly weathered, very weak, light - I - olive gray, (5Y 5/2), CLAYSTONE, and interbedded _ N I silty F. SANDSTONE, noncalcareous, gypsum, damp, —- 19 _ WEATHERED BEDROCK — _ 20 o _ (20.5'-21.7') Highly weathered, very weak, light CS — C — 21 olive gray, C5Y 5/2), CLAYSTONE. and Interbedded _ 0 0 0 — silty F. SANDSTONE, noncalcareous, gypsum, damp, — _ WEATHERED BEDROCK _ in - —22 (21.7'-23.0') Highly weathered, very weak, dark— - u — yellowish orange, (1OYR 6/6), silty F. SANDSTONE, z _ noncalcareous, stratified, damp, WEATHERED BEDROCK - w _ - u _ 23 — _ C23.0'-25.3') Highly weathered, very weak, dark — Na'— yellowish orange. (WYR 6/6), silty F. SANDSTONE, — - 24 noncalcoreous, stratified, damp, WEATHERED BEDROCK - m •••• • — m — • — 0 — w - 25 . . . © — 0 0 0 O l- - — (25.3'-29.0') Highly weathered. very weak, dark CS — J C yellowish orange. (10YR 6/6) to light olive gray, _ —- 26 _ (5Y 5/2), silty f. SANDSTONE and interbedded — - CLAYSTONE. noncalcareous. gypsum, damp, WEATHERED — I I _ BEDROCK _ — 27 — en— "" — 0 N 1 11-1 — 28 - (28.0'-29.0') Highly weathered, very weak, dark 7T^ — m �.+i - — _ yellowish orange, (10YR 6/6) to light olive gray, CIJS _ (5Y 5/2), silty F. SANDSTONE and Interbedded — \ — - CLAYSTONE. noncalcareous, gypsum. damp, WEATHERED — 29 BEDROCK - Z TOTAL DEPTH = 29.0 Ft. - m L-•- - - 0 - LT- 931061 SOIL BOREHOLE LOG -. SITE NAME AND LOCAT1ON DRILLING METHOD: 3.25' ID, 7.25' OD BORING NO. HOLLOW STEM AUGER SG-2 N SHEET o: Li 6.1 WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 1 of 2 = CENTRAL WELD SANITARY LANDFILL Z vl GREELEY, COLORADO ORIWNC u z START FINISHNorthing: 372,240.29 = C Easting' 2,191,476.41 WATER LEVEL 22.0' T1ME TIME n: TIME 1530 0915 1030 ". o? DATE 3/12/92 DATE DATE DATUM NGVD ELEVATION 4793.87 CASING DEPTH 3/12/92 3/12/92 CC DRILL RIG CME-55 SURFACE CONDITIONS very muddy Z ANGLE 90 BEARING NA 0 - I SAMPLE HAMMER NA U, TEST RESULTS Z _ m Lt9 1w)- oZ a Oct M J_ Z� �w m SAMPLE NUMBER < 04? pl C 0 -a --.-to 2 ANO u �� ? O xw 'nw )- DESCRIPTION OF MATERIAL w z ;" i In 2 aw o2¢ t OZ CC 0 CU o av mo�- u co ao3 3V — (O.C'-1.:') Stiff, yellowish brown, (IDYR 5/8), — _ unstratiFied. CLAYEY SILT, little F. Sand. strongly _ I calcareous. damp, (ML) 1 O —, (1.1'-2.6') Loose, yellowish brown, (10YR 5/6), CS — unstratiFied, F. SAND. some Sat, trace Clay, — 2 strongly calcareous. damp to dry, (SM) (2.6'-3.0') Stiff, yellowish brown, (10YR 5/6), _ — 3 interbedded CLAYEY SILT and P. SAND, trace Clay, calcareous, damp, (ML-SM) _ — (3.0'-3.3') Stiff, yellowish brown, (10YR 5/6), — N q interbedded CLAYEY SILT and F. SAND, trace Clay, = w I calcareous, damp, OIL-SM) — x C — (3.3'-4.9') Loose, yellowish brown, (10YR 5/6), — _ 55 . ..r unstratlfled, F. SAND. some Sat. trace Cloy, 0 - r noncalcareous, damp to dry. (SP) — CO _ - CS _ — — O 6 — 0 a 0 :. _ - (4.9.-8.0') Highly weathered, extremely weak, dark — 3C yellowish orange, (10YR 6/6), silty f. SANDSTONE — Li C) — and ✓Iterbedded CLAYSTONE, noncalcareous, gypsum, — u stratified, dry to damp. WEATHERED BEDROCK -_ u t — - — CC Li $ l (8.0'-13.0') Highly weathered, extremely weak, dark — Al _ • • ..- yellowish orange, (10YR 6/6) to light olive gray, — a, (5Y 5/2), silty F. SANDSTONE and CLAYSTONE, - y — 9 • stratified, noncalcareous, gypsum, damp, WEATHERED © m — - BEDROCK — _ - (-41 ratio Claystone to Sandstone) _ a _ 10 - O - o a a 0 n- — CS — I C 11 — 12 - - m — — nl m N — N — — 15 _— (13.0'-16.0') Highly weathered, extremely weak; dark m _ _ yellowish orange, (10YR 6/6) to light olive gray, — (5Y 5/2), silty F. SANDSTONE and CLAYSTONE, _ w — 14 - stratFed, noncalcareous, gypsum, damp, WEATHERED — O 4 BEDROCK O -- Z Z 4 co LA-1 — - — CS — � G: 931961 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID. 7.25' 0D BORING NO. HOLLOW STEM AUGER SG-2 SHEET u LJ WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 2 OF 2 - z CENTRAL WELD SANITARY LANDFILL DRILLING GREELEY, COLORADO '4 z START FINISH Northing, 372.240.29 w*TER LEVEL 22.0' TIME TIME .4 s Easting, 2,191,476.41 -I TIME 1530 0915 1030 a a: DATE 3/12/92 DATE DATE DATUM NGVD ELEVATION 4793.87 CASING DEPTH 3/12/92 3/12/92 ir DRILL RIG CME-55 SURFACE CONDITIONS very muddy Z ANGLE 90 BEARING NA C) SAMPLE HAMMER NA O Z m TEST RESULTS7.1 �Z W¢ O u OZ K J Z� et� S SAMPLE NUMBER \N K I- E a p ANO o m a CO x W ;pew )- DESCRIPTION OF MATERIAL w - ;O z a:.3 p J N 3 Ov 000Cr Cl- 0:1,1 mp <O ] _ b 3U -J — 16 = — (16.0'-19.3') Sane as above except bedding more i —_ _ prominent, Claystone less weathered and more Fissile CS - — 17 — 16 — _ - - - I G,, r - _ - s _- 19 — - — — (19.3'-23.0') Highly weathered, extremely weak, dark — yellowish orange, (1OYR 6/6) to light olive gray (SY - - 20 - 5/2), interbedded silty F. SANDSTONE and fissile O — o a o >- - = CLAYSTONE, noncalcareous. gypsum, damp, WEATHEREDCS — BEDROCK CS — _ _ — 21 — — vo — 22 1 — 2 _ _ W a: — W - 23 (23.0'-25.8') Highly weathered, extremely weak, dark - - — yellowish orange. (10YR 6/6) to light olive gray (5Y - c, - 5/2), interbedded silty F. SANDSTONE and fissile - — 24 - CLAYSTONE. noncalcareous. gypsum, damp, WEATHERED — CO BEDROCK - _ _ Co - - - C, w — 25 — co — o E CS - -I -' - 26 (25.8'-27.5') Highly weathered, extremely weak. 0 0 0 — moderate yellowish brown. (IOYR 5/4), silty f. — SANDSTONE. noncalcareous, damp, WEATHERED BEDROCK - — 27 rl - N- TOTAL DEPTH = 27.5 Ft. - N — 28 — a _ 29 — Z z - _ co -3 _ 931061 • SOIL BOREHOLE LOG SITE NAME AND LOCATION ORIWNC METHOD: 3.25' ID, 7.2S' 0D BORING NO. HOLLOW STEM AUGER SG-3 SHEET a W WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 1 OF 2 2 CENTRAL WELD SANITARY LANDFILL L.15. GREELEY, COLORADO aelwkc La z START FINISH .±7 Lai Northingt 371,750,47 ci WATER LEVEL 9.0' TIME TIME Z Easting' 2,191,47180 d TIME 1500 1400 1530 a: & 0 DATE 3/12/92 DATE DATE DATUM NGVO ELEVATION 4770.87 CASING DEPTH 3/12/92 3/12/92 IX DRILL RIG CME-55 SURFACE CONDITIONS very muddy Z ANGLE 90 BEARING NA O U SAMPLE HAMMER NA (.7 t^, �^ m TEST RESULTS Z 'O .E S SAMPLE NUMBER Z t **Z ix M kt GC � \wcp 2 AND < a �a J 0 m 3 p r DESCRIPTION OF MATERIAL w g r W ? " z p w a w� m0� $ u mo ",i 5 V 0.1 O p Q 3O O N (0.0'-2.3') Stiff, dark yellowish brown (IDYR 4/4), unstratified, SILTY CLAY, sane F.- med. Sand, slightly 1 calcareous, damp, CCU O CS - - 2 — `'r (2.3'-8.0') Highly weathered, extremely weak, light —_ — — olive gray, (51 5/2), CLAYSTONE, and interbedded - 3 = dark yellowish orange, CIOYR 6/6), silty f. — — — SANDSTONE. noncalcareous, gypsum, damp, WEATHERED — a o a — BEDROCK _ 4 — _ w — S _ — 5 — — _ S _ 0 CS m 6 — _ o _ " U La _— 7 W _ V Li — — a — - 11.2') Highly weathered, extremely weak, light — N— olive gray, (5Y 5/2), CLAYSTONE, and interbedded dark yellowish orange. (10YR 6/6), silty f. — m --- 9 SANDSTONE, noncalcareous, gypsum, wet. WEATHERED — CO m BEDROCK - - - — i= — w la = - 0 I- 0 0 o O 0 CS - _— 1 1 - — - (]1.2'-16.0') Same as above, except more competent, _ slightly less weathered, bedding more prominent - - 12 _ — n J NIl — 13 — - r,a a a o — 14 ® - CS _ Z Z — — CO w . . _ O _ • Li- 931061 SOIL BOREHOLE LOG - - SITE NAME AND LOCATION DRILUNC METHOD: 3.25' ID, 7.25' OD BORING NO. HOLLOW STEM AUGER SG-3 co SHEET u WASTE SERVICES CORPORATION SAMPUNC METHOD: CONTINUOUS SAMPLE BARREL 2 OF 2 CENTRAL WELD SANITARY LANDFILL z aelwec GREELEY, COLORADO W s m 371,750.47 START FlNISH i c Northing,g` WATER LEVEL 9.0' TIME TIME - a Easting' 2.191.471.80 TIME 1500 1400 1530 o s DATE 3/12/92 DATE DATE DATUM NGVD ELEVATION 4770.87 CASING DEPTH 3/12/92 3/12/92 EX DRILL RIG CME-55 SURFACE CONDITIONS very muddy ZO ANGLE 90 BEARING NA U SAMPLE HAMMER NA 0 Z TEST RESULTS L..4, 2 K C i '-O K - "- z.= jS' m SAMPLE NUMBER i \Q K . C CI 3'i^� A DESCRIPTION OFMATERIAL D w LI 3`� J vl 2 . L:'w �2K a Oz R., .M J $ 'o CO O.-' u mO a0 O Cv U _ S _ 16 - TOTAL DEPTH = 16.0 Ft. - — 17 — - 18 — _ -- _ _ 2D _ c _— 21 _ v - - In — — z - - W 22 _ z _ W - d. • - — u — 23 — -5 _ - ,, . .-•• _ G. — — >- — 24 en g- _ _ o - - w — — c O _i _- 25 - o S _ __I - 26 - - 27 - I - - N 28 - 29 - z _ z - - - - C = -3 - 931081 SOIL BOREHOLE LOG I SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID. 7.25' OD BORING NO. • HOLLOW STEM AUGER SG-4 I in I SHEET re w WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 1 of 1 z CENTRAL WELD SANITARY LANDFILL DRILLING GREELEY, COLORADO s START FINISH '.P w Northing: 371.391.53 z a fasting, 2,191,793.56 WATER LEVEL 7.0' TIME TIME J s TIME 0900 0815 0900 cc s 0 DATE 3/13/92 DATE DATE DATUM NGVD ELEVATION 4765.15 CASING DEPTH 3/13/92 3/13/92 DRILL RIG CME-55 SURFACE CONDITIONS very muddy Z ANGLE 90 BEARING NA SAMPLE HAMMER NA 0 TEST RESULTS Z ZI ix m wi. aw o a O' se J_ Q SAMPLE NUMBER tin- R lY �> �a>o 2 AND o >a J p Z w 3'^o r DESCRIPTION OF MATERIAL CC z u z vi z 6w OZ LJ CC N J 'n OZ e‘12' O j N > WO-' (DO"' Z U m0 't:713 J 2 O aV ;U J <0.0'-3.0') St:FP, dark yellowish brown, (LOYR 4/6). _— uns trn Tfletl, SILTY CLAY, cone F. Sand, strongly - 1 calcareous. gypsum, moist, (CO O \ CS - 2 3 \ — — (3.0'-5.1') Stiff, dark yellowish brown. (IOYR 4/6), — uns2rotiFied, CLAYEY SILT, trace F. Sand. strongly - 0 0 0 - colcareous, gypsum, moist, (ML) '^ s - 4 - w - - 5 Q — 1'(5. -8.0') Highly weathered, extremely weak, dark - } CO - yellowish orange, <1OYR 6/6), silty f. SANDSTONE and CS - - interloninated CLAYSTONE. noncalcareous. gypsum, - 0 — 6 - wet, WEATHERED BEDROCK — Y _ - - = '4 — z -.- 7 - W Z - LI - 8 (8.0'-13.0') Highly weathered, extremely weak, dark - • yellowish orange, (10YR 6/6). silty f. SANDSTONE, - n' noncaicareous, gypsum, wet, WEATHERED BEDROCK - P - 9 _ 0 0 o Cr] m - - C - w 10 = o a CS - c - 11 - —- 12 — r, N —- 13 - - C13.0'-14.0') No recovery — T s w 14 TOTAL DEPTH = 14.0 Ft, - : 2 Z — O y 931061 1 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHO0: 3.25' ID. 7.25' OD BORING NO. HOLLOW STEM AUGER SG-5 SHEET s W WASTE SERVICES CORPORATION SAMPUNG MET+OO: CONTINUOUS SAMPLE BARREL 1 OF 1 z CENTRAL WELD SANITARY LANDFILL °RILING L'"' GREELEY, COLORADO s I START FINISH i v Northing: 371,013.36 WATER LEVEL 3.0' TIME TIME I Eastingt 2,192,128.05 TIME 1255 1230 1300 22 0 tx DATE 3/13/92 DATE DATE DATUM NGVO ELEVATION 4759.73 CASING DEPTH 3/13/921 3/13/92 O_ DRILL RIG CME-55very y, standing/running/runnin water Z SURFACE CONDITIONS nuad g g ANGLE 90 BEARING NA SAMPLE HAMMER NA (.. ,- TEST RESULTS Z co O ur o a Gz K J a,m,, d SAMPLE NUMBER i o z K i CE Z` m> m AND ., �e p x,�+ `�v } DESCRIPTION OF MATERIAL W - u Z -' N 2 'Ed O W In a OZ WW 0 = O W� mo-- Z c� m0 a Z 7 o #O O N — (0.0'-3.0') Stiff', yellowish brown, (IOYR 5/6), - - -tratif.ed, CLAYEY SILT, with lan�nae of silty f. — 1 Sand. strongly Calcareous 0.0'-1.8', noncaiCareous _ E1.8'-3.0'. roots, moist, (ML) Ol — CS - c- 2 - 3 Y - (3.0'-8.0') Stiff, yellowish brown, (10YR 5/6), — stratified. CLAYEY SILT, with laminae of silty F. — cc _, 4 Sand, noncalcareous roots, moist, (ML) _ u i — — � _ 0 0 0 _ 5 0 = Y —CS_ - N _.. W - 7 W tAl - v -� 8 1 i — - (8.0'-20.0') Highly weathered, extremely weak, dark - - — gray. CN3). CLAYSTONE and silty f, SANDSTONE — m laminae, noncalcareous, wet, WEATHERED BEDROCK O } co - 9 -80% Clay - 20Y, Sand CS .:: - — ,— n (a L. 10 • - TOTAL DEPTH w I0.0 Ft. - 0 0 0 p C - 11 - _ 12 o - - N 01 - 13 - m - 14 _ Z 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID, 7.25' OD BORING NO. HOLLOW STEM AUGER SG-6 N SHEET W lal WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 1 OF 2 CENTRAL WELD SANITARY LANDFILL oRILUNc u H GREELEY, COLORADO W START FINISH V Northing, 370,65525 WATER LEVEL 12.0' ' TIME TIME cx Ea t;ng' 2.192.423.07 TIME 1445 1400 1545 cFe z DATE 3/13/92 DATE OATE DATUM NGV D ELEVATION 4755.09 CASING DEPTH 3/13/92 3/13/92 ( DRILL RIG CME-55 SURFACE CONDITIONS Z 0 ANGLE 90 BEARING NA LJ SAMPLE HAMMER NA T m TEST RESULTS J kz W> C a g2 K J a a SAMPLE NUMBER Z , Z> �3 Z AND "< Q x el W H DESCRIPTION OF MATERIAL W - ; x w VI 2 W� om a 0 oz w� o' = o' c i co U O 14 - (0.0'-3.0') StIfF, dark yellowish brown, (1OYR 4/6), — F!; unstrat;f,ed, CLAYEY SILT, trace F. Sand, strongly — 1 calcareous. damp, (ML) 0 — CS — 2 - I (3.0'-8.0') Stiff, dark yellowish brown, (IOYR 4/6), — unstratlf ed, SILTY CLAY, some F. Sand. strongly = Calcareous, damp, (CL) H E S � p r— - N J z wet 7.0'-8.0' _ z W aC _ V - 8 _ - - ( (8.0'-13.0') StiFf, dark yellowish brown, (10YR a 4/6), unstratiFied, CLAYEY SILT, trace F. Sand. _ a•— strongly calcareous, damp. (HL) — > a) I — 9 — 0 a o m Q _— o 10 O _ CD w— CS — _iG — 11 �.. i2 - o — — v — — N .a — f'f — t 3 — of Hi — (13.0'-18.0") Stiff, dark yellowish brown. (IOYR - — - —• 4/6), unstrat;fied, CLAYEY SILT, trace f. Sand, — _- 14 • strongly calcareous, damp. (ML) — : -- Z- z ® w __ CS _ - OC - 931061 SOIL BOREHOLE LOG SUE NAME AND LOCATION DRILUNC METHOD: 3.25' ID. 7.25' DD BORING NO. HOLLOW STEM AUGER SG-6 ti SHEET w WASTE SERVICES CORPORATION SAMPUNC METHOD: CONTINUOUS SAMPLE BARREL 2 OF 2 Z CENTRAL WELD SANITARY LANDFILL DRILLING u u ,i GREELEY, COLORADO z j START FINISH 2 g Northing: 370,655.26 WATER LEVEL 12.0' TIME TIME . Eastingi 2,192,423.07 TIME 1445 1400 1545 0 DATE 3/13/92 DATE DATE DATUM NGVD ELEVATION 4755.09 CASING DEPTH 3/13/92 3/13/92 Z DRILL RIG CME-55 SURFACE CONDITIONS 0 ANGLE 90 BEARING NA U SAMPLE HAMMER NA 0 Z TEST RESULTS J .f ,� ZW,-. m u 'o K -J "4 z0 0 WO :vow 2i SAMPLE NUMBER i o O4< K E. Z¢ > m AND V N6 2 0 xw 3 0 >. DESCRIPTION OF MATERIAL w t. 33 '^ 0 ¢w m N > 2w mOp o COO a0 O 0 ii — 18 Q8.0'-19.0') Stiff, dark yellowish brown, (10YR _C) - - 4/6). unstratifled CLAYEY SILT, trace F. Sand _ - _ strongly calcareous, damp, (MU CS — r TOTAL DEPTH = 19.0 rt. is- - —- 20 — —- 21 — — , z - - W — 22 _ La x _ W K — — U —- 23 — - v —- 24 — co —— — 0 - 0 —- 25 - o < J = —- 26 — _—- 27 - o - N 4, —- 28 m —- 29 z < Z — — m O == 931061 SOIL BOREHOLE LOG SITE NAME AND LOCAPON DRILLING METHOD: 3.25' ID. 7.25' CD BORING NO. HOLLOW STEM AUGER SG-7 N SHEET u LJ WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 1 OF 4 z CENTRAL WELD SANITARY LANDFILL DRILLING W H GREELEY, COLORADO START FINISH Z z Northing: 370,660.44 WATER LEVEL 40' TIME TIME 71 ¢ Casting: 2,192,916.57 .4 TIME 1330 1100 1330 0 DATE 3/16/92 DATE DATE DATUM NGVD ELEVATION 4780.25 CASING DEPTH 3/16/92 3/16/92 CC DRILL RIG CME-55 SURFACE CONDITONS slightly muddy Z O ANGLE 90 BEARING NA 0 SAMPLE HAMMER NA U' Z_ TEST RESULTS J 1.7.: m WE WT a 141 6 OU K J ``4 a� SAMPLE NUMBER i C �FA N rE. ZQ \ao m AND U �< =w 3'^w )- DESCRIPTION OF MATERIAL w N o a a:z a 'ti a Ed OjZa: d 0 Wi = 0 aw- mom- m 30 N I (0.0'-3.0') StIFF, dark yellowish brown, (I0YR 4/6), _ .1 unstratifled. CLAYEY SILT, trace F. Sand, strongly - -- 1 calcareous, roots, damp, (ML) — O - - CS — r', - 2 - 3 - - (3.0'-4,5') Loose, brownish yellow. (10YR 6/8), _ _ unstratified F. SAND. some Sat, trace Clay, — .- j 4 - noncalcareous, damp, (SM) - x W 1 — — a a a j — (4.5'-8.0') Stiff, dark yellowish brown, (IDYR 4/6), - - 5 unstratified. CLAYEY SILT, little F. Sand, — _ calcareous, gypsum, iron oxide staining damp, (ML) O _ co C] - 6 - — zL. Z - W W - a: U — (8.0'-8.5') Loose, brownish yellow, (10YR 6/8), — _ 8 unstratified F. SAND, some sat, trace Clay, — .I. noncalcareous, damp, (SM) — T - "" t. —- 9 (9.5'-!3.0') Highly weathered, extremely weak, dark - CCI> m — = yellowish orange, (IDYR 6/6> and brownish gray, (5YR — 0 '7 - 4/1), CLAYST orange, (10YR 6/6), silty F. SAN➢STONE. laminated. —ONE, and interlaminated, yellowish _ U J w ( 10 noncalcareous, gypsum, damp, WEATHERED BEDROCK O — — CS — OJ CP — _ (-1.1 ratio Claystone to Sandstone) — — 11 — —- 12 - — m J _ N - 11 - 13 — (13.0'-18.0') Sane as above except slightly more — �I � — , _ — competent and lamination better defined _ a D a —- 14 0 W m `" - - . -.. CS — O0 431na4 SOIL BOREHOLE LOG - SITE NAME AND LOCATION DRILUNC METHOD: 3.25' ID, 7.25' DD BORING NO. HOLLOW STEM AUGER SG-7 in SHEET w i WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 OF 4 z iI CENTRAL WELD SANITARY LANDFILL u ILLING a u, GREELEY, COLORADO STARTDR FINISH Z �, Northing± 370,660.44 WATER LEVEL 40' TIME TIME J s East:ng' 2,192,916.57 TIME 1330 1100 1330 o 2 DATE 3/16/92 DATE DATE DATUM NGVD ELEVATION 4780.25 CASING DEPTH 3/16/92 3/16/92 CC DRILL RIG CME"55 SURFACE CONDITIONS slightly muddy Z O ANGLE 90 BEARING NA 3 SAMPLE HAMMER NA O Z TEST RESULTS _ .ri, ¢.. m 80 K -I JQu� 0 a d 8 SAMPLE NUMBER Z o z K -< CO m AND a: v in 0 i J o in CO >.• DESCRIPTION OF MATERIAL w ;0 2 w w o J o `aw 2io= CA mm ao my U -- 16 - - CS - -- 1 - - 18 (18.0'-28.0') Sane as above except more competent - a o o — _ — in — - — in 1g - - ) _- 20 O6 _ c _ = GS - c —- 21 - - _ - - c; - - - z _ — W — 22 s _ W — a: U —- 23 • •- — o a a n . N —- 24 - - - c - - w —- 25 © o c - • - CS - - -- 26 = — —- 27 — o P - • - _- N - (28.0'-33.0') Highly weathered. extremely weak, dark — yellowish orange. (IOYR 6/6). silty f. SANDSTONE, — 29 laminated, iron oxide staining, damp, WEATHERED BEDROCK _ e _ Z < — O — CG k— . CS — O v= 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID. 725' 0D BORING NO. HOLLOW STEM AUGER SG-7 VI SHEET w WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 3 OF 4 ? CENTRAL WELD SANITARY LANDFILL DRILLING Z ,n GREELEY, COLORADO L.61IX START FINISH Z Northing, 370,660.44 u Fasting, 2,192,916.57 WATER LEVEL 40' TIME TIME ; a TIME 1330 1100 1330 o a DATE 3/16/92 DATE DATE DATUM NGVD ELEVATION 4790.25 CASING DEPTH 3/16/92 3/16/92 CC DRILL RIC CHE-55 SURFACE CONDITIONS slightly muddy O ANGLE 90 BEARING NA U SAMPLE HAMMER NA (, Z TEST RESULTS w 0 O o 00 K z� 0.5 m SAMPLE NUMBER \6 K 2 -� \<0 2 AND o N� C zw 3'u10 r DESCRIPTION OF MATERIAL 3 3 z J N 2 a- 00LA `n "� Q 0z 1"J O t _N 'o o-- mom- A " mo ao 0 U — 31 — CS - — 32 — 33 — (33.0'-35.0') Highly weathered, extremely weak, dark _ yellowish orange. (1OYR 6/6). silty F. SANDSTONE. — kl laminated, iron oxide staining, damp. WEATHERED BEDROCK _ a —34 — Iv It - 35 _ (35.0'-38.0') Highly weathered. extremely weak, dark O - CO — yellowish orange, (10YR 6/6) and brownish gray, (5YR — 4/1), CLAYSTONE, and interlaminated, yellowish — 36 orange, (10TR 6/6), silty F. SANDSTONE. laminated. - _ — noncalcareous, gypsum, damp, WEATHERED BEDROCK — N U Z — — w — 37 Li _ L., — — a m m _ 39 (38.0'-43.(') Highly weathered, extremely weak, dark _ v — yellowish orange. (10YR 6/6), silty F. SANDSTONE, — O — laminated, iron oxide staining, damp, WEATHERED BEDROCK _ (.? L4.4 — 40 g — _ S _ o — 41 — — 42 — n 0 - • N n LJ 43rni —� — (43.('-48.0') Highly weathered, extremely weak, dark _ `" 0'I . — yellowish orange, (10TR 6/6), silty f. SANDSTONE. — laminated, iron oxide staining, wet, WEATHERED BEDROCK _ 4.i 44 — z a - 13 - m w . . .— CS — -, C 931061 ' SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 3.25' ID. 7.25' 0D BORING NO. HOLLOW STEM AUGER SG-7 V SHEET is WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 4 of 4 CENTRAL WELD SANITARY LANDFILL DRILLING W V) GREELEY, COLORADO s START FINISH i u Northing. 370.660.44 WATER LEVEL 40' TIME TIME -J s Enstcng. 2.192.916.57 TIME 1330 1100 1330 c GATE 3/16/92 DATE DATE OC DATUM NGVD ELEVATION 4790.25 CASING DEPTH 3/16/92 3/16/92 DRILL RIG DIE-55 SURFACE CONDITIONS Slightly muddy Z 0 ANGLE 90 BEARING NA Ci SAMPLE HAMMER NA 0 Z TEST RESULTS - W.-, C,.� 0 W S U N J i4 i a SAMPLE NUMBER 0 a 2 C i lJa v _a \a0 AND O m i j 30 w N DESCRIPTION OF MATERIAL W a 0 z rc W 0 J N i aw 0 a ' 0 a s o ev mo m su § —- 46 - CS - - - 47 — 48 - TOTAL DEPTH = 48.0 Ft. _— 1 : s —- 49 = 1.1 - J I 50 _ > c _—- 51 — L--._ _ N .' - - z W —- 52 0 —— 0 re - - u — 53 — _ - - C . - - — 54 —_ _ n - � - 04 C. —- 55 - oo < _ 56 - - - I — 57 — ^� _ - - _ N r —- 56 — cl —- 59 — c < _. Z < - Z - m - G = - -3 931061 • SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 4.25' ID, 8.25' OD BORING NO. HOLLOW STEM AUGER SG-8 N SHEET w WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 1 OF 3 z CENTRAL WELD SANITARY LANDFILL DRILLING = vl GREELEY, COLORADO Lai a START FINISH Z u Northing 370,672.80 WATER LEVEL 22.73' TIME TIME _i 3 fasting, 2,193,414,15 TIME 1615 1000 1130 Be- 13 DATE 4/28/92 DATE DATE DATUM NGVO ELEVATION 4791.90 CASING DEPTH 3/23/92 3/23/92 IX DRILL RIG CME-55 I SURFACE CONDITIONS dry, barren Z O ANGLE 90 BEARING NA U SAMPLE HAMMER NA (,O Z TEST RESULTS n in Wa �¢ Za C a $ SAMPLE NUMBER 6 Z Ow in K 3� \a0 2 NANO cc c� v\i0 .— L , ,, 3'A O r DESCRIPTION OF MATERIAL w ,a 30 2 z V^ z r-3 w w� O j Z O �y C0O� 0 00 ¢O O N 0 ri — <0,0'-3.0') StIFF, brownish yellow, (IOYR 6/6), — unstratified, CLAYEY SILT, trace P. Sand. strongly - 1 calcareous, roots, damp, (ML) 1 O — — CS - - 2 — 3 — I — (3.0'-5.0') Stiff, brownish yellow. (1OYR 6/6), _ I - unstratIF;ed, CLAYEY SILT, trace F. Sand, strongly - - calcareous, roots, damp. CML) — w ,.— — - 5 (5.0'-8.0') Completely weathered. extremely weak, O — CO — dark yellowish orange, (10TR 6/6), silty f. CS _ — SANDSTONE, and thinly interbedded, Completely — CI — 6 - weathered, extremely weak. grayish brown, (5YR 3/2), — Y — - CLAYSTONE, decreasingly calcareous with depth, Iron _ - oxide staining, gypsum, damp, WEATHERED BEDROCK � '^ z w . — 7 — w — • _ W —a: — — V 8 _ _, 0 0 0 — — Ca0'-13.0') Sane as above, except highly weathered, —' N • _ bedding more prominent, noncalcareous - a` - - -,— g — J- 0 - _ - o - - Lw - 10 - O3 - - o C CS - 11 N m - S -, rr ' - (13.0'-18.0') Some as above, except -65% CLAYSTONE — I 0 0 0 W _— 14 - - Z z - ® - m Li O Li 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION ORIWNG METHOD: 4.25' ID. 8.25' ❑D BORING NO. HOLLOW STEM AUGER SG-8 • in SHEET W WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 OF 3 z CENTRAL WELD SANITARY LANDFILL DRILLING W v, GREELEY, COLORADO START FINISH 2 NorthingT 370,672.80 TIME TIME -I Eastcng: 2,193,414.15 WATER LEVEL 22.73' TIME 1615 1000 1130 n DATE 4/28/92 DATE DATE DATUM NGVD ELEVATION 4791.90 CASING DEPTH 3/23/92 3/23/92 CC DRILL RIG CHE-55 SURFACE CONDITIONS dry, barren Z O ANGLE 90 SEARING NA U SAMPLE HAMMER NA (' Z i- TEST RESULTS m — . o -. o a o v x -J W Z 14-13- t'-0 J o: dSAMPLE NUMBER i r- O2 5, x ` IX Za 3> m AND 0 N.< - G \<W N DESCRIPTION OF MATERIAL w v-�, 3 V s z o W N i V dW OZCt t oz i x p W p� mO� u m0 <0 0 vv33 3 v 7 I-- _ .— —- 16 - CS - —- 17 — _ 18 — _ (18.0'-21.1') Sane as above o a e �, t9 - - I x - - - I 3 -- 21 - i (21.1'-23.0') Moderately weathered. very weak. dark — - yellowish orange. (10YR 6/6), silty F. SANDSTONE, - z noncalcareous, Few Claystone ;nterbeds (as above), - L,; --- 22 damp, WEATHERED BEDROCK - W; L{ 23 _ a a a -' (23 • .0'-25.2') Moderately weathered, very weak, dark - �� yellowish orange, (10YR 6/6). silty F. SANDSTONE, c noncalcareous, few Claystone (nterbeds <as above), > m — 24 • damp. WEATHERED BEDROCK T - - C -. ar '. CD ice: - 2s — - (25.2'-28.0') Moderately weathered, very weak. dark CS — —' — — - '' yellowish orange. <1OYR 6/6), silty f. SANDSTONE. - 26 — finely laminated with highly weathered, very weak, _ — —- grayish brown, (5YR 3/2), CLAY STONE. noncalcareous, — — gypsum layers, damp, WEATHERED BEDROCK - —- 27 — o, • �• — — 0 0 0 (Li ©;ri— 28 .. �— —+ T =. - (28.0'-33.0') Moderately weathered, very week, dark — - yellowish orange. <10YR 6/6), silty F. SANDSTONE. — - 2g - finely laminated with highly weathered, very weak, G 1 grayish brown, <5YR 3/2), CLAYSTONE, noncalcareous. O - Z < _ gypsum layers, damp, WEATHERED BEDROCK 7 — CC _ w .- CS - ., — - - - - - - C 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHO0: 425' ID, 8.25' OD BORING NO. HOLLOW STEM AUGER SG-8 N SHEET a: w WASTE SERVICES CORPORATION SAMPUNC METHOD: CONTINUOUS SAMPLE BARREL 3 Of 3 ? CENTRAL WELD SANITARY LANDFILL oRILUNG o GREELEY, COLORADO START FINISHV Northing 370.672.80 WATER LEVEL 22.73' TIME TIME _i ¢ Easing, 2.193.414.15 TIME 1615 WOO 1130 Fe Fi c DATE 4/28/92 DATE OATS DATUM NGVD ELEVATION 4791,90 CASING DEPTH 3/23/92 3/23/92 CG - H DRILL RIG CME-55 SURFACE CONOMONS dry, barren Z 0 ANGLE 90 SEARING NA U SAMPLE HAMMER NA U TEST RESULTS Z ^ w m J 42 K O i u. M J z� m SAMPLE NUMBER i Z 8< N 2 E ---,so V $w 33✓�w )- DESCRIPTION OFMATERIAL w z o z "' o � ,, Q. mo� 0 mO ¢O O 2 O yI 3 0 3 —- 31 — = c5 = —- 32 — —- 33 (33.0'-33.2') Modera rely weathered, very weak, dark ---- _ I — 1:::::••1 yellowish brown, (IOYR 5/4), silty f. SANDSTONE, iron ® — _ oxide sinned, lomnated, noncnlcoreous, damp, WEATHERED _ N _ BE➢ROCK CS _ a:—34 — I _ (33.2'-34.0') Slightly weathered, very weak, dusky _ — brown, (5YR 2/2). CLAYSTONE. nonCalcareous, fissile. — —- 35 damn. WEATHERED BEDROCK — TOTAL DEPTH = 34.0' _ o - o _ 36 - s - N U — - 1 — — w 37 - E — — cc — — V —- 38 - — — N a' _ _ r m — 39 — co _ _ _ _ 0 _ _ w C> LU —- 40 — _ _ -J O —- 41 — - 42 — o _ _ — _ IL m — m — 43 — a' CM - _ w = 44 Z z _ _ co LU O J L_ 931061 / SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 4.25' ID. 825' 0D BORING NO. SG-9 HOLLOW STEM AUGER N SHEET a W WASTE SERVICES CORPORATION SAMPUNC METHOD: CONTINUOUS SAMPLE BARREL I OF 3 ? CENTRAL WELD SANITARY LANDFILL DRILLING GREELEY, COLORADOEast START FlNiSH 1J6]; u Northing, 370,688.01 WATER LEVEL 22.67• TIME TIME a: g� 2,193,887.48 TIME 1625 1000 1145 0 DATE 4/28/92 DATE GATE DATUM NGVD ELEVATION 4759.27 CASING DEPTH 3/25/92 3/25/92 l- DRILLce RIG CME-55 SURFACE CONDITIONS dry, Fill, barren Z ci 0 frii ANGLE 90 BEARING NA C.) SAMPLE HAMMER NA Z TEST RESULTS J L co J ui W? JJ O W pV 14 "O of O SAMPLE NUMBER ₹ 8cc 2 V M 2 Q Za ",<0 m AND ILO n'40 DESCRIPTION DESCRIPTION OF MATERWL - ozz-To wz ? id = a w�O 00`- 30 0 V 0 — � (0.0-1.0') StiFf, yellowish brown, (10YR 5/8), silty — '— �i�i CLAY, slightlycalcareous, (CL), roots, clamp, FILL —_ 1 �•• • -_ ♦•e1 (1.0'-3.0') Stiff, yellowish brown, (10YR 5/6), — ��i�i 4 CLAYEY SILT, very calcareous. (ML), damp, FILL CS — — :33 — ••i•i - - 3 fl. — — •�0•�: (3.0'-4.5') Stiff, yellowish brown, (IOYR 5/6), - - •e•�• CLAYEY SILT, very calcareous, <ML), clamp, FILL _ h.- - e�� _ ce 4 •Oi•i! — - �••� — _ •�� (4.5'-5.0') Trash — - 5 ��e� r - •�•� (5.0'-8.0') Stiff, yellowish brown. (IDYR 5/6), CS - CO — �� CLAYEY SILT, very calcareous, sone trash, — O 6 **AI (ML), clamp, FILL — •♦e•1 „ — = �• — n U — •••• _ z 7 eLa ••4,1 — i •�•i W Cc t - u 8 .•_• ,—.— — (8.0'-13.0') Stiff, brownish yellow, (10YR 6/6), — 0 0 a RI• — CLAYEY SILT, very Calcareous. damp, (ML) - r _ 9 — co a, — — CJ — — w —- 10 o 0 - CS "' —- 1 1 __ 12 — r, — — N a'I- — ^ u _ 13 o• 0— (13.0'-18.0') Stiff, brownish yellow, (10YR 6/6), — CLAYEY SILT, very calcareous, damp, (ML) — a a 41.3 .. w - 14 — — z z - - co w - CS — 0 M 931061 • SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 4.25' ID. 8.25' GO BORING NO. SG-9 • HOLLOW STEM AUGER SHEET w WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 2 of 3 u CENTRAL WELD SANITARY LANDFILL DRILLING W in GREELEY, COLORADO a: START FINISH = u Northing: 370,688.01 WATER LEVE 22.67' TIME TIME E a Easting' 2,193.887,48 TIME 1625 tow 1145 c o: DATE 4/28/92 DATE DATE DATUM NGVD ELEVATION 4759.27 CASING DEPTH 3/25/92 3/25/92 CC DRILL RIG CME-55 SURFACE CONDITIONS dry, fill, barren Z O ANGLE 90 BEARING NA 0 SAMPLE HAMMER NA O Z i- TEST RESULTS =I m H J WO W) O 2 F awiam a SAMPLE NUMBER cm $� x 2 E x-w --..<u r. DESCRIPTION OF MATERIAL w yym i = o J = o 0.w ter. 8 a 7 0 w�- mom- 1 m ¢mod o m U 7, -- 16 — _ CS - - 17 16 — (18.0'-18.7') Stiff, brownish yellow. (10YR 6/6), — CLAYEY SILT, very calcareous. damp, (ML) _ � — o 19 (18.• 7'-20.5') Highly weathered, extremely wank, — 0 0 a I moderate yellowish brown, (10YR 5/4), silty F. SANDSTONE, weekly stratified, little iron oxide — — 20 staROCK noncalcareous, dry to damp, WEATHERED - m — CS — 0 0 0 (20.5'-22.1') Highly weathered, extremely weak. _ z - 21 moderate yellowish brown, (10YR 5/4), stty f. - - SANDSTONE, weakly stratified, little iron oxide staining. noncalcareous, dry to damp. WEATHERED _ in C) BEDROCK — w 22 (22.1'-23.0') Highly weathered, extremely weak, — dusky brown, (5YR 2/2), CLAYSTONE noncalcareous, u - 23 — — damp, WEATHERED BEDROCK i (23.0'-28.0') Highly weathered, extremely weak. — 'v moderate yellowish brown, (10YR 5/4), sIty f. — N. P SANDSTONE, weakly stratified, little iron oxide — m m 24 staining, noncnlcareaus, dry to damp, WEATHERED — BEDROCK _ o — w 25 — O o CS — —26 _— 27 — • _ . . . . . . . . al n — — m u — 26 — o' VI _ — (28.0'-33.0') Highly weathered, extremely weak, _ moderate yellowish brown, (10YR 5/4), sity f. _ 0 0 0 SANDSTONE, weakly stratified, little iron oxide — : L 29 staining, noncalcareous. wet, WEATHERED BEDROCK — Z Z 03 CS — O0 ' 931061 SOIL BOREHOLE LOG - • SITE NAME AND LOCATION DRIWNG METHOD: 4.25' ID. 8.25' OD BORING NO. HOLLOW STEM AUGER SG-9 SHEET Le, WASTE SERVICES CORPORATION SAMPUNC METHOD: CONTINUOUS SAMPLE BARREL 3 OF 3 z CENTRAL WELD SANITARY LANDFILL DRILLING ,n GREELEY, COLORADO °C SP START FINISH t4 Northing, 370,688.01 WATER LEVEL 22 b7, TIME TIME J TIME Eastingi 2,193,887.48 1625 1000 1145 ire a DATE 4/28/92 DATE DATE DATUM NGVD ELEVATION 4759.27 CASING DEPTH 3/25/92 3/25/92 CC DRILL RIG DOE-55 SURFACE CONDITIONS dry, fill, barren Z O ANGLE 90 BEARING NA C.) SAMPLE HAMMER NA O i- TEST RESULTS z Cj„� 4.5s7. C - 8 V K _J O E 2 a SAMPLE NUMBER z 2 ANDV,V J z CI w o 0 DESCRIPTION OF MATERIAL W z C Z W lii p -A = C CLUii JZ12 d v E 0 a0 Q La-- mom- 3v - — 31 — cs - - 32 — — - 33 \_ - - TOTAL DEPTH = 33.0 Ft. -, - - 1 - -' j4 _ - - - -- 35 - = - 36 - _ N - - Z _ -. Li 37 - z Li - u - 38 - -; 39 _ n r O 40 = CD 0 41 - 42 a - 43 °` "I 44 - o - Z Z O J 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILUNC METHOD: 4.25' ID. 8.25' 0D BORING NO. HOLLOW STEM AUGER SG-t0 N SHEET u WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 1 OF 4 z CENTRAL WELD SANITARY LANDFILL DRIWNG 2 s GREELEY, COLORADO START FINISH 2 Northing 371.188.36 WATER LEVEL 26.59' TIME TIME _i s fasting, 2,193,897.75 TIME 1620 1515 1830 c DATE 4/28/92 DATE DATE DATUM NGVD ELEVATION 4792.20 CASING DEPTH 3/26/92 3/26/92 CC DRILL RIG CME-55 SURFACE CONDITIONS Z 0 ANGLE 90 SEARING NA (..) SAMPLE HAMMER NA U' Z TEST RESULTS Li t,_, K,-. cia O G So K J G.',S 3> o SAMPLE NUMBER ₹ e2 \; K 5. EE —j \a0 2 AND at o Inc) G O z 3'^w )- DESCRIPTION OF MATERIAL ik z 3 0:z j N > a.w nips C ca) 90 r2 0 2 0 a a 0 y 3v — C0.0'-0.7') Asphalt pavement — 1 (0.7'-2.5') FILL O _ — CS - — 2 _ (2.5'-3.0') Very stiFF, moderate yellowish brown, _ CIOYR 5/4), silty CLAY, calcareous, damp, (CO — 3 \ — — (3.0'-5.0') StiFf, moderate yellowish brown, (IOYR — _ 5/4), CLAYEY SILT, very calcareous, damp, (ML) _ ul - _ - s 4 La - 5 02 - } - _ (5.0'-8.O') Highly weathered, extremely weak, CS - CD - interlaminated, dark yellowish orange. (10YR 6/6), - - 8 _ silty F. SANDSTONE and medium dark gray, (N4), CLAYSTONE, noncalcoreous, iron oxide staining, - _ - gypsum, -65% Claystone, damp, WEATHERED BEDROCK - „A :.) - z t — 7 — W - z cc - - u — 8 — _ - (8.O'-13.0') Highly weathered, extremely weak, - ru c - - interlaminated. dark yellowish orange, (1OYR 6/6), - a 0 o r .n - g - silty F. SANDSTONE, and medium dark gray, (N4), m - - CLAYSTONE. noncalcoreous. iron oxide staining, _ . - - gypsum, - 957, Claystone, damp. WEATHERED BEDROCK - C - - w 0 ` — 10 - O3 — CS - O � C — I 1 — _ _ - 12 - — r, _ _ e I A 71 - <13.0'-18.0') Highly weathered, extremely weak, - _ • - 'Interbedded, dark yellowish orange, (IOYR 6/6), _ - - silty F. SANDSTONE, and medium dark gray, (N4), - - 14 CLAYSTONE, noncalcareous. Iron oxide staining, — gypsum, -65% Claystane, damp, WEATHERED BEDROCK O O Z CO — CS — 0 _ 931061 • SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNC METHOD: 4.25' ID. 8.25' OD BORING NO. HOLLOW STEM AUGER SG-10 in SHEET w WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 or 4 CENTRAL WELD SANITARY LANDFILL DRILLING w H GREELEY, COLORADO a: START FINISH i V Northing: 371,188.36 WATER LEVEL 26.59' TIME TIME J at fasting: 2,193,897.75 TIME 1620 1515 1830 c a% DATE 4/28/92 DATE DATE DATUM NGVD ELEVATION 4792.20 CASING DEPTH 3/26/92 3/26/92 CC H- DRILL RIG CME-55 SURFACE CONDITIONS Z 0 ANGLE 90 BEARING NA (..) SAMPLE HAMMER NA CJ TEST RESULTS Z ,.., a:-, o w p V K J O • z� j> m SAMPLE NUMBER i \. - E E D Fw -...co N DESCRIPTION NOF MATERNL w z �Z z J J N z Oztt `2 wyZ' o t±, n' 'o [LW mo" 3 u aim ;O 8 = —- 16 — _ CS - —- 1 7 — — 18 — — = a a a (18.O'-24.2') Highly weathered, extremely wenk, - _ Interlaminated, dark yellowish orange. (10YR 6/6). _ i- - silty F. SANDSTONE, and medium dark gray, (N4), - z — 19 —••. • — CLAYSTONE, noncalcareous. Iran oxide staining, — i _ - gypsum. -65% Claystone. damp, WEATHERED BEDROCK _ - 2D — m CS — _, C7 _-- 21 — N L z I — W - 22 _ - ._ _ _ W • K - - U --- 23 — — o a a -, a' (24.2'-24.8') Highly weathered, extremely weak, - r co N —- 24 - •nterlaminated, dark yellowish orange, <10YR 6/6), — On _ silty F. SANDSTONE noncalcnreous, Iron Oxide staining, _ p gypsum. damp, WEATHERED BEDROCK _ w - 25 24.8'-25.2') Slightly weathered, medium strong, © _ C) - - grayish red, (10R 4/2) to light gray, (N7), CS - S p _ • - CALCRETE/FERRICRETE, very calcareous _ - ;nterlominated, dark yellowish orange, (10YR 6/6), _ y - silty F. SANDSTONE, and medium dark gray, (N4), - - CLAYSTONE, noncalcareous, iron oxide staining - — 27 gypsum, -65% Claystone, damp, WEATHERED BEDROCK — r+ - _ — N Tr 0 - - `1 ' , 26 = — — 0 0 a �, - (28,0'-33.0') Highly weathered, extremely weak, - _ Interlamina ted. dark yellowish orange, QOYR 6/6), _ w — 29 silty F. SANDSTONE, and medium dark gray, (N4), — Z — = CLAYSTONE, noncalcnreous, iron oxide staining — _ - gypsum. -657. Claystone. damp WEATHERED BEDROCK p7 - m Z - CS — -a Salon SOIL BOREHOLE LOG SITE NAME AND LOCATION ORII.UNG METHOD: 4.25' ID. 8.25' OD BORING NO. HELLOV STEM AUGER SG-10 SHEET W WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 3 OF 4 uz CENTRAL WELD SANITARY LANDFILL DRILLING a n GREELEY, COLORADO s START flNiSH y tt_' Northing, 371,188.36 WATER LEVEL 26.39' TIM£ TIM£ J a Casting, 2,193,897.75 TIME I620 1515 1830 127 Ci DATE 4/28/92 DATE DATE DATUM NGVD ELEVATION 4792.20 CASING DEPTH 3/26/92 3/26/92 CC DRILL RIG CME-55 SURFACE CONDITIONS Z O ANGLE 90 BEARING NA C) SAMPLE HAMMER NA (' - Z TEST RESULTS W W N W WW (,� 1t J �` a SAMPLE NUMBER F Ct 24 1 C7 AND �< fCZ , o'er^2 y DESCRIPTION OF MATERIAL w - a z Jo , 2 o` moo a .o <€ 3 = o 3u - 31 - - - CS — 32 - - - 33 � - _ 0 0 0 •r (33.0'-38.0') Highly weathered. extremely weak. _ i^ — inter-laminated, dark yellowish orange, (1OYR 6/6). _ :c -- 34 silty F. SANDSTONE. and medium dark gray, <N4), — L_ CLAYSTONE, nonCalCareous, iron oxide staining. �= gypsum -65% Claystone, damp, WEATHERED BEDROCK — 3 35 ® — — r _ CS — — _ 36 — — _ — _ I 7.7 — — C , z, 37 _ - zI - — a: — _— 38 — (38.O'-43.0') Highly weathered, extremely weak. — — ;ntertominated, dark yellowish orange, (10YR 6/6), 39 — silty F. SANDSTONE, and medium dark gray, <N4), — CC CLAYSTONE, nonCalCareous, iron oxide staining. — 0 0 0 61. — gypsum. -657. Claystone, damp, WEATHERED BEDROCK 40 0 — O ≤ - - CS — — — -- 41 — I — 42 =, o 43 — TI (43.0'-48.0') Highly weathered. extremely weak. _ — medium yellowish brown, UOYR 5/4), Silty F. - - SANDSTONE, weakly laminated, poorly cemented, — C _— 44 nonCalCareous, wet, WEATHERED BEDROCK Z - CS - C _ 931061 SOIL BOREHOLE LOG -. SITE NAME AND LOCATION DRILLING METHOD: 4.25 ID. 8.25" OD BORING NO. HOLLOW STEM AUGER SO LO N SHEET ¢ W LI WASTE SERVICES CORPORATION SAMPUNO METHOD: CONTINUOUS SAMPLE BARREL 4 OF 4 Z CENTRAL WELD SANITARY LANDFILL DRILLING u vl GREELEY, COLORADO o: START FINISH Z Ls' Northing, 371.188.36 WATER LEVEL 26.59' TIME TIME J a Efts twig, 2,193,897.75 TIME 1620 1515 1830 Fe 0 0: DATE 4/28/92 DATE DATE DATUM NGVD ELEVATION 4792.20 CASING DEPTH 3/26/92 3/26/92 It DRILL RIC CME-55 SURFACE CONDITIONS Z 0 ANGLE 90 BEARING NA CJ SAMPLE HAMMER NA 0 Z TEST RESULTS J t co Ai? ?W≥ o W SU K J O Z_o (o Ireil! m SAMPLE NUMBER a D \Q X 0 Iw O N 0 N DESCRIPTION ANOF MATERV.L w z a o z rc'2 G J n' o dy 0OZ¢ 2 U mo U'� j = o `a6 0 N 3U —- 46 — _ CS = —- 47 — - 48 TOTAL DEPTH > 48.0 Ft. — _ — N —- 49 i — — i —- 50 — r 0 0 —- 51 — Y _ — z • _ — w — 52 — W — — W — — K — — u _—- 53 — _ P _ _ m D _— 54 = n. W —- 55 C7 i- 0— 0¢ — —- 56 — _- 57 No — — n U — 58 — c —- 59 _ o a _ z - m w — o 931061 SOIL BOREHOLE LOG SITE NAME ANO LOCATION GRILLING METHOD: 4.25' ID. 8.25' OD BORING NO. HOLLOW STEM AUGER SG-II SHEET u WASTE SERVICES CORPORATION SAMPUNG METHOO: CONTINUOUS SAMPLE BARREL 1 of 3 a CENTRAL WELD SANITARY LANDFILL DRILLING tz,, a GREELEY, COLORADO START FINISH z 8 Survey data was not vrov,ded because WATER LEVEL TIME 11a: no gos probe was installed. 1400 1545 o a — TIME DATE DATE DATE a�89.90 CASING DEPTH 3/25/92 3/25/92 CC DATUM NGVD ELEVATION Z DRILL RIG CME-55 SURFACE CONDITIONS dry, barren, embankment fill 0 ANGLE 90 9EaPiNC NA (_) SAMPLE HAMMER NA O i- TEST RESULTS En 171ta ,. W ~a. O V K J ``0 a W SAMPLE NUMBER i L.-t a AND a 0 4'2, 'n o > DESCRIPTION OF MATERIAL w 'r v z p u 4 2 W Ul J O Z CC a. u 00 QO - 2 G m 0 i m H 3 cl z, 1 ._ ••• — •••• (0.0'-3.0') Stiff, yeUOwlsh brown, (10YR 5/4), — � ••�• • • CLAYEY SILT. very calcareous. damp. FILL _- 1 •• •�•� CS •• - 2 ••• i• - _ •••• ; — — •••• — _ •• - 3 %%_ ••• ••4 (3.0'-8.0') Stiff. yellowish brown. (10YR 5/4), — ,- 4 =;� CLAYEY SILT, very calcareous. dry. FILL W •• — _ - ••❖ — — •••• — 5 •ii• 2 — •• CS — - .•••••4 - C 6 �•••— � - • • _ N v :•••• --.• z W —- 7 ••••• a 1•••� _ me), — (8.0"-13.0') Stiff, yellowish brown. (10YR 5/4), = — \ SILTY CLAY and F. SAND. very calcareous. — _ 9 nonogeneaus. damp, (CL) — o a o m n ! T ; CI li.1 —. 10 O '"" p c - \ CS - ,-- 11 - 12 \ el 0 vr — (13.0'-18.0') Stiff. yellowish brown, (IOYR 5/4), _ CLAYEY SILT, trace f. Sand, very calcareous, - - homogeneous. wet, (ML) - • _— 14 z O — m 1--' CS — 0 = 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION ORILUNC METHOD: 4.25. ID. 8.25' 0D 90RING NO. HOLLOW STEM AUGER SG-11 . N SHEET a: LI WASTE SERVICES CORPORATION SAMPUNG METH00: CONTINUOUS SAMPLE BARREL 2 OF 3 z v CENTRAL WELD SANITARY LANDFILL DRILUNC la (4 GREELEY, COLORADO a START FINISH ? Survey data was not provided because WATER LEVEL TIME TIME J no gas probe was installed. TIME 1400 1545 % Ix DATE DATE DATE 4789.90 CASING DEPTH DATUM NGVD ELEVATION 3/25/92 3/25/92 OI DRILL RIG CME-55 SURFACE CONDITIONS dry, barren, embankment fill O ANGLE 90 BEARING NA 0 SAMPLE HAMMER NA Z T TEST RESULTS m w 0- a. _1 w^y• IW� a) z _ �"2 ,q4l SAMPLE NUMBER i E)CA N '" c7 = cn W g N U DESCRIPTION OFMATERIAL w N D Q V a:W O W N > w (n a u oz wz 7 w = p O 3U - - 16 - CS - -._._ 17 — - 18 <18.0'-20.0') Stiff, yellowish brown, (10YR 5/4), — C CLAYEY SILT, trace f. Sand very calcareous. — H — homogeneous. wet, all) — 'Y — 19 - - - i - 20 - O - -- - <2O.0'-24.0') Highly weathered, extremely weak, CS — interlaninated. dark yellowish orange. (10YR 6/6). _ C - 21 • - - salty F. SANDSTONE, iron oxide staining — 0 0 a s..--.-- gypsum, noncotcareous, and medium dark gray, CN4), CLAYSTONE. noncatcareous, wet. WEATHERED = N - - BEDROCK — w — 22 — a - w — • a U . -- 23 - — .— — — n, — 24 — — m Q (24.0'-28.0') Same as above, except CLAYSTONE _ 4 _ dominant C707.) - - 25 © = c., - — Cs — o — -I - 26 - — 27 - c i - N - (1 — 28 — —_ a' — (28.0'-33.0') No recovery = — 29 - z < — — 931061 SOIL BOREHOLE LOG ' SITE NAME AND LOCATION DRILLING METHOD: 4.25' I0. 8.25' ❑D BORING NO. HOLLOW STEM AUGER SG-11 vl SHEET a w WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 3 OF 3 = u CENTRAL WELD SANITARY LANDFILL GRILLING u ut GREELEY, COLORADO a START FINISH = st• Survey data was not provided because WATER LEVEL I TIME J TIME E no gas probe was installed. 1400 1545 c TIME DATE DATE DATE DATUM NGVD El£/AT1DN 4789.90 CASING DEPTH 3/25/92 3/25/92 l— DRILL RIG CME-55 SURFACE CONDITIONS dry, barren, embankment Fill Z 0 ANGLE 90 SEARING NA U SAMPLE HAMMER NA U TEST RESULTS Z I- J wi wr G a OZ K J Z 1,0 m SAMPLE NUMBER Z Li N - cc 6 a -e \aO 2 AND z 2 NU i j o w N DESCRIPTION OF MATERIAL ji a o z Ir W o J N 'o p m0 J = av m0-' 60 O n 3U 31 0 _ cs - - 32 - 33 TOTAL DEPTH = 33.0 Ft. — — — o`, — a _-- 34 —_ - - ) —- 35 — r - c c _—- 36 — - z - W —- 37 - i w - a 0 —- 38 — —- 39 — n T c w — O —- 40 -' o — — J —- 41 — 42 —_ a Ml — 7 43 _ ET .7 — 44 o z m - - 0 = 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION ORILLiNG METHOD: 4.25' ID, 8.25' OD BORING NO. HOLLOW STEM AUGER SG 12 vi SHEET W LI WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 1 OF 3 CENTRAL WELD SANITARY LANDFILL ORIWNG Z H GREELEY, COLORADO `" a: Northing 371,952.67 START FINISH u WATER LEVELO Easting, 15.25' 2,194,040.82 M TIME � a: TIME 1630 1700 1815 c ,e DATE 4/28/92 DATE DATE DATUM NGVD ELEVATION 4796.99 CASING DEPTH 3/25/92 3/23/92 DRILL RIG CME-55 SURFACE CONDITIONS Dry, grass-covered O ANGLE 90 BEARING NA U SAMPLE HAMMER NA 0 r- TEST RESULTS z m . —I u.X W� ci a OU K J O a w SAMPLE NUMBER E Z ' cr - -a ��p Z ANO Q ,n< K C Z W p (-) >-• DESCRIPTION OF MATERIAL Cr N v z C W nti > �°.,� mod 6 °o �z 5 _ o m 3V 7, — (0.0'-3.5') Stiff, yellowish brown, (10YR 5/4), - - CLAYEY SILT, very calcareous. roots (0.0'-0.5'), I • damp 0 _ _ CS CS — —- 2 --- 3 -- "-' �;•,� <3.5'-8.5') Highly weathered. extremely weak. — v.+ interbedded, dark yellowish orange, (10YR 6/6), = o a p w 4 �- Silty f. SANDSTONE and dark nediun gray, <N5>, — _ CLAYSTONE, noncalcareous, iron oxide staining, — 3 5 = gypsum, damp, WEATHERED BEDROCK - CS - a - 6 --- -. _ z - 7 - W f E _ - W U 0 0 0 m N _ __ (8.5'-13.5') Sane as above, except grades to. greater _ _ 9 — percentage of Claystone (-75%), iron oxide stoining m m — at joints in Ciaystone, one prominent subvertical v L — joint a W 10 y— Q =— v r- — — — CS — OJ - o vr — — ell f V — 13 - - — _ Cr." v. - — _— <13.5'-18.5') Sane as above, except 95% Claystone, - 14 4 =_ -70' fracture, gypsum-filled 19.0-19.0'. _ O 2 -. - - Z Q _ o = z CO W - - CS J 0 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNC METHOD: 4.25' ID, 8.25' ❑0 BORING NO. HOLLOW STEM AUGER SG-I2 cm SHEET m w L. WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 OF 3 z 5 CENTRAL WELD SANITARY LANDFILL DRILLING La z GREELEY, COLORADO Y START FINISH z Northing: 371,952.67 WATER LEVEL 15.25' TIME TIME s EastInge 2,194,040,82 TIME 1630 1700 1815 c DATE 4/28/92 DATE DATE DATUM NGVD ELEVATION 4796.98 CASING DEPTH 3/25/92 3/25/92 IX DRILL RIG CME-55 SURFACE CONDITIONS Dry, grass-covered O ANGLE 90 BEARING NA C) SAMPLE HAMMER NA O Z TES RESULTS m -1 I.. rwr Z i N -J I`O waw SAMPLE NUMBER ¢ 2ON K -- EE Kri i> m �a 2 0 Iw o'^w N DESCRIPTION NOF MATERIAL w ;OZ CC 0 Al O Zm d O 2 w coo-- u m 3U 0 - _ - - - — - - - CS - — 1 7 - - - — 18 - - — - - _ - 0 0 o - _r (18.5'-22.0') Sane as above — s _ — = = ', 20 - 05 • = c - - cs - - 21 - - - _ - in •-•— • - z•.. — w — 22 = i - - (22.0'-23.5') Sane as above, except grades to 707. - L - Sandstone LI - - 23 - - l • _ (23.5'-28.5') Sane as above, grades to -l4 - 0 a 0 - SANDSTONE/CLAYSTONE — r — 24 . - _ - - C Ti - - w- - — 25 © = 0 < - CS -- - — 26 � - - - 1 27 — - 28 - _ (28.5'-33.0') Sane as above, except 657. CLAYSTONE - - 29 = = z 0 — - - CS - _ 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNC METHOD: 4.25- ID, 8.25' OD BORING NO. HOLLOW STEM AUGER SG-L2 N SHEET ¢ w WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 3 OF 3 z 3 CENTRAL WELD SANITARY LANDFILL DRILLING Z GREELEY, COLORADO `" z START FINISH z E4 Nor things 371,952.67 WATER LEVEL 1525' THE TIME JCC Easttng� 2,194,040.82 TIME 1630 1700 1815 c cx DATE 4/28/92 DATE DATE DATUM NGVD ELEVAnON 4796.98 CASING DEPTH 3/25/92 3/25/92 X DRILL RIC CME-55 SURFACE CONDITIONS Dry, grass-covered Z ANGLE 90 BEARING NA O SAMPLE HAMMER NA 0 Z TEST RESULTS J " "'� o W oz K z Zg 3> m SAMPLE NUMBER �� K 2 Q _¢ mac pNCD v ,�� "Li ;'a w r DESCRIPTION OF MATERIAL En z 3 w ll o w N i I--J "zz 'n a o alo "'`z 3 J s o m O - m a0 0 ov 3V M _—- 31 — - CS — —- 32 - 11-1 - 33 TOTAL DEPTH = 33.0 Ft. — — 41 _ — a — 34 — id 3 , —- 35 — r —- 36 — — z — — w — 37 - z — _ W 0 —- 38 — —- 39 03 0 — — W C. W - qp - o -J — - 41 = 42 - n • — " N N — rn U - —- 43 m A - qq z z— - 2' u — - O = 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILUNC METHOD: 4.25' ID, 8.25' OD BORING NO. HOLLOW STEM AUGER SG-13 SHEET u WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL I OF 3 Z CENTRAL WELD SANITARY LANDFILL DRILLING W v. GREELEY, COLORADO ct START FINISH = V Northing` 371,945.58 WA LEVEL 18.0' TIME TIME .3 ¢ Fasting` 2.191544.40 TIME 0915 830 1015 c DATE 3/26/92 DATE DATE DATUM NGVD ELEVATION 4805.63 CASING DEPTH 3/26/92 3/26/92 CY DRILL RIG CME-55 SURFACE CONDITIONS Dry, sparse grass z O ANGLE 90 BEARING NA C) SAMPLE HAMMER NA Z TEST RESULTS J m tr W.. Z K _J L.6/2 a w o SAMPLE NUMBER ¢ Z Set' X i- ZQ 2> a) AND o Na 5 0 > -....co 2 J > i J ;Lao DESCRIPTION OF MATERIAL a, N 3o z w W O Z `aw mZa: d U -I0 3Z O 2 0 oy O _ iii - - - 1 _ (0.0'-3.0') Stiff, brownish yellow, (10TR 6/6), - - CLAYEY SILL trace E. Sand, very calcareous. damp, Ol — _ (ML) CS - - 2 — • _ (3.0'-4.0') Stiff, brownish yellow, (10YR 6/6), - — CLAYEY SILT, trace F. Sand, very calcareous, damp, — 3 (ML) - (4.0'-5.0') Highly weathered, extremely weak. — 'interlaninated, dark yellowish orange, (IOYR 6/61, — — 4 silty F. SANDSTONE. iron oxide staining, and dark =„ — - medium gray, 044), CLAYSTONE. slightly calcareous. damp — - WEATHERED BEDROCK - 5 (5.0'-8.0') Highly weathered, extremely weak. O2 - 0 0 0 _Y — moderate yellowish brown, (10YR 5/4), silty F. CS — — SANDSTONE, poorly cemented, clean, WEATHERED BEDROCK — 6 • (8.0'-9.2') Highly weathered, extremely weak, •, — — — — moderate yellowish brown, (IOYR 5/4), silty F. SANDSTONE. poorly cemented, clean. WEATHERED BEDROCK — z — — w — gypsum layer at 9.2' - u w — — a — (9.2'-10.0') Highly weathered, extremely weak, _ 'u 8 interlominated, dark yellowish orange, (10YR 6/6), — — silty F. SANDSTONE, iron oxide staining, and dark — ,u _ medium gray, (N4), CLAYSTONE, slightly calcareous, damp, _ v. — WEATHERED BEDROCK — >- �- — 9 CO .r .i- (10.0'-11, y weathered, extremely 2') Highly weak, _ p Itp moderate yellowish brown. (10YR 5/4), silty F. LLJ — • 10 SANDSTONE. poorly cemented, clean, WEATHERED BEDROCK O — CD O < gypsum layer at 11.2' CS — J - 11 . (11.2'-12.0') Highly weathered, extremely weak, _ . inter-laminated, dark yellowish orange, (IOYR 6/6), _ F. oxide staining. — silty SANDSTONE, iron sainng and dark medium gray, (N4), CLAYSTONE, slightly calcareous, damp — 12 WEATHERED BEDROCK — in — o Tr — (12,0'-13.0') Highly weathered, extremely weak, _ a _ moderate yellowish brown. (10YR 5/4), silty F. — m — 13 SANDSTONE, poorly cemented, clean, WEATHERED BEDROCK — — m i. — - (13.0'-18.0') Highly weathered, extremely weak, — — ,nterlan,nated, dark yellowish orange, (IOYR 6/6). — — 14 silty F. SANDSTONE, iron oxide staining and dark — C . - medium gray, (N4). CLAYSTDNE. slightly calcareous, damp '� _ . - WEATHERED BEDROCK OO - CO — — 1:1 ratio SANDSTONE/CLAYSTONE CS - O 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD_ 4.25' ID. 8.25' OD BORING NO. HOLLOW STEM AUGER SG-I3 a • SHEET W WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 2 OF 3 z - v CENTRAL WELD SANITARY LANDFILL DRILLING W • GREELEY, COLORADO START FINISH z Northing: 371.945.58 WATER LEVEL 18.0' TIME TIME J a: Ens-twig 2.193.544.40 - TIME 0915 830 1015 0:7 z ` DATE 3/26/92 DATE DATE DATUM NGVO ELEVATION 4805.63 CASING DEPTH 3/26/92 3/26/92 CC DRILL RIG CME-55 SURFACE CONDITIONS Dry. sparse grass Z . 0 ANGLE 90 BEARING NA C> SAMPLE HAMMER NA 0 Z i- TEST RESULTSco - LiJ'2 s r, cZ a v K 6.O .iaW SAMPLE NUMBER < ti \t H Q 2'" 3} m AND N - =W 3 W N DESCRIPTION OF MATERIAL w < 0 Z W o o J = a`'' mod mo 8— u J 30 . 1 — 1- _ CS — 17 I _ C- 18 — (18.0'-23.0') Highly weathered, extremely weak. — 0 0 0 r— intertoninated, dark yellowish orange. (1OYR 6/6), — vi — — silty P. SANDSTONE. Iron oxide staining, and dusky � cc — 19 _ brown, (5YR 2/2). CLAYST➢NE. noncalcareous, gypsum, — _ damp, WEATHERED BEDROCK .,., ) — (percentage of CLAYST➢NE — ... — increases with depth) — ZD O - - — CS - — C 21 - _ _ - z - 22 — 22'-23' 70' fracture. gypsum-filled _ 0 0 0 E U — 23 <23.O'-29.0') Sane as above, slight increase in _, -' - - percentage of Sandstone (407. Claystone) -a - r rz _24 - o v LJ C7 • — 25 © - o c - • - CS - —26 - — 27 _ _ c. nJ • . - - (28.(7-33.0') Same as above, except Sandstone -- — P1 = — 28 dominant (-60% Sandstone) — — 29 —- o z z 0 - m o = SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNG METHOD: 4.25' ID. 8.25' 0D BORING NO. SG-13 HOLLOW STEM AUGER SHEET z W WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 3 of 3 z CENTRAL WELD SANITARY LANDFILL ORIWNG z GREELEY, COLORADO START FlwSH z Northing, 371,945.58 WATER I,F/EL 18.0' 71ME TIME -J rZ I Ensnagl 2,193,544.40 0915 830 1015 cre TIME DATE 3/26/92 DATE DATE 4805.63 CASING DEPTH 3/26/92 3/26/92 DATUM NGVD ELEVATIONi— DRILL RIG CNE-55 SURFACE CONDITIONS Dry, sparse grass Z O ANGLE 90 BEARING NA O SAMPLE HAMMER NA 0 Z TEST RESULTS m J Luc' tic' zo a of K J "'� aw o SAMPLE NUMBER ¢ e< K '- 0 2Q .to m AND W z In z 2 ow n, ow DESCRIPTION OF MATERIAL ,� z ¢w o w a1 'o oZ0 N wa o a`zd $ I 0�- m0� 1 0 U w - R _ Er ii - TOTAL DEPTH = 33.0 Ft. — — ze -- 34 -' - - i —- 35 - r -- 36 - - - - I - - - z - u -w -- 37 - z W - _ U I - - U — -1 -- 38 - d -- 39 - _ _ o U _ -- qp - CD - - - O S CD J - - 41 - _ - - qZ - - ('1 — 43 • - ml • - 44 - z z - 0 - _ 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 4.25' ID. 825' OD BORING NO. HOLLOW STEM AUGER SG-l4 N SHEET w ta WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 1 OF 3 CENTRAL WELD SANITARY LANDFILL DRILLING u H GREELEY, COLORADO : START FINISH 0z Northing: 371,506.76 WATER LEVEL31.0' TIME NNE _i a fasting, 2193,616.98 TIME 1100 930 1145 c s DATE 3/27/92 DATE DATE DATUM NGVD ELEVATION 4803.04 CASING DEPTH none 3/27/92 3/27/92 CC DRILL RIG CME-55 SURFACE CONDITIONS Dry, sparse grass Z O ANGLE 90 BEARING NA U SAMPLE HAMMER NA (.) Z TEST RESULTS .71 �,� m,. m w 0,� K J Z - pZ "O a W a SAMPLE NUMBER 6 OWN K .- 0 �� \ O z AND m u cna z N 2 s J O z W N DESCRIPTION OF MATERIAL a < o z W F 0 J o u—' mo`-ir s W co 3o 0 - (DA'-3.0') SttFF, brownish yellow, (l0YR 6/6), V<1 — 1 CLAYEY SILT, very calcareous. roots. damp, (ML) a _ - CS — 2 — - 3 (3.0'-3.5') StIFF, brownish yellow, (10YR 6/6), — CLAYEY SILT, very calcareous, roots, damp, (ML) - - i- (3,5'-8.0') Loose, yellow, (10YR 7/8), very weakly _ o a o n — 4 stratified. SAND, strongly calcareous. little Silt. - - dry. (SM) — — 31 — — 5 _ co — CS — -_ — o 6 — — _ — v, 0 — — z w — 7 i z _ (2.0'-B.2') Loose, yellow, (IDYR 7/8), very weakly _ u — stratified, SAND, strongly calcareous, little Silt, — 8 dry, (SM) — - — — P — _ (8.2'-13.0') Highly weathered, extremely weak, co g— - inter-laminated, dark yellowish orange, (1DYR 6/6), m m _ Slty F. SANDSTONE, and dark medium gray, (N4), — 0 0 0 - — CLAYSTONE. noncalcareous. gypsum, damp. — 0 WEATHERED BEDROCK — CD w - 10 = -I:1 ratio CLAYSTONE/SANDSTONE O — 0 - CS - J CM — 11 — — - 12 • — '^ _ — o — • — — N 17(13.0'-18.0') Sane as above, except percentage of = m el '(AI 13 — Claystone increases to -70% — _— 14 — Oz m 'J - CS — 0 ,,_ 331061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNC METHOD: 4.25' ID. 8.25' OD BORING NO. HOLLOW STEM AUGER SG-L4 SHEET u WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 of 3 u CENTRAL WELD SANITARY LANDFILL DRILLING W 4 GREELEY, COLORADO s START FINISH i Northing: 371.506.76 WATER LEVEL 31.0' PME TIME a Easttngt 2,193,616.98 TIME 1100 930 1145 Fe- z DATE 3/27/92 DATE DATE DATUM NGVD ELEVATION 4803.04 CASING DEPTH none 3/27/92 3/27/92 DRILL RIG CME-55 SURFACE CONDITIONS Dry, sparse grass Z O ANGLE 90 BEARING NA 0 SAMPLE HAMMER NA 0 Z TEST RESULTS m J Z > 0 ≥ O i N J =Q SAMPLE NUMBER \Q W i C i D 0 J O0o > DESCRIPTION P= 05 mANOF MATERIAL w a oz MI/2 c J vi z'o 0 P- moo'- '. 5 m0 "'z o s o ;0 0 — I6 — _- CS — — 17 • - - 18 — (18.0'-25.6') Sane as above, except percentage of — 0 0 0 — Claystone increases to -95'1. -— — _ ¢ — — 20 - 0 - _ c - CS L _ W a _ - U — 23_ — - — s - Y ±- - oaa — 24 —- - 25 © = o CS - - 25.6'-28.0') Sane as above, except percentage of - 26 - Cloystone is -65% - 27 _ r+ - - N - rn — 28 28.0'-30.0'1 Grades to 90% Sandstone as above — Q,I _- 29 - = < - O — cc -- — CS — O = 931%1 SOIL BOREHOLE LOG SITE NAME AND LOCATION ORILUNC METHO0: 4.25' ID. 8.25' OD BORING NO. HOLLOW STEM AUGER SG—L4 N SHEET 00 La WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 3 OF 3 z u CENTRAL WELD SANITARY LANDFILL ORILUNG W cc GREELEY, COLORADO START FINISH z u Northing 371.506,76 WATER LEVEL 31.0' TIME TIME - s Eastin 2,193,616.98 g TIME 1100 930 1145 c a: DATE 3/27/92 DATE DATE DATUM NGVO ELEVATION 4803.04 CASING DEPTH none 3/27/92 3/27/92 l- DRILL RIG CME-55 SURFACE C0NDID0NS Dry, sparse grass O ANGLE 90 BEARING NA CJ SAMPLE HAMMER NA z i TEST RESULTS I- -L CI,.. a:.. re _� z "4 aw a SAMPLE NUMBER cd f- \a tt zt. 2> 0AND o i 1 CD w 3'/<'ai N DESCRIPTION OF MATERIAL w e 30z o:w o J N > O D wz = O oy mom " co ;0 0 a Z1 _ (30.0'-30.3') CALCETE — (30.3'-33.0') Highly weathered, extremely weak, _ —- 31 interlaninated, dark yellowish orange, (IOYR 6/6), - - silty F. SANDSTONE, and dark medium gray, (N4), - - CLAYSTONE. noncalcareous, gypsum, damp, CS - - WEATHERED BEDROCK - - 32 - -P1 ratio CLAYSTONE/SANDSTONE — _ - (33.0'-34.5') Highly weathered, extremely weak, - -- 33 - interlannoted, dark yellowish orange. <10YR 6/60, 0 0 0 silty F. SANDSTONE, and dark medium gray, (N4), _ CLAYSTONE, noncalcareous. gypsum. damp, - I- - _ WEATHERED BEDROCK - N - - w — 34 - (34.5'-35.0') Completely weathered, extremely weak. — z - _ dark gray, (N3), CLAYSTONE very plastic. - - __- noncalcareous, damp, WEATHERED BEDROCK - 35 - (35.0'-35.5') Highly weathered, extremely weak, © - m - - interlaninated, dark yellowish orange. (LDYR 6/6), CS _- silty f. SANDSTONE, and dark medium gray, (N4). C —- 36 - CLAYSTONE, noncalcareous, gypsum, damp, — -- - - WEATHERED BEDROCK• 0 0 0 T - _ -1.1 ratio CLAYSTONE/SANDSTONE _ I^ C - - z - 37 — (35.5'-38.0') Highly weathered, extremely weak, _ w interlaminated, dark yellowish orange, (10YR 6/6). — w — silty F. SANDSTONE, and dark medium gray, (N4), _ u _ - CLAYSTONE, noncalcareous. gypsum, damp, — — 38 ' - WEATHERED BEDROCK — - -U1 ratio.CLAYSTONE/SANDSTONE — m _ TOTAL DEPTH = 38.0 Ft. — m m I — 39 - I - — o Ti - w - CO W - 40 - o 0 —- 41 - -- 42 - `m — 04 - - m' ' =- 43 - a' �I - 44 - z < z _ _ m w O - -, a- 931061 • SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 4.25' ID. 8.25' OD BORING NO. HOLLOW STEM AUGER SG-1.5 vi SHEET ix Li WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL l OF 3 ? CENTRAL WELD SANITARY LANDFILL DRILLING z „I GREELEY, COLORADO a START FINISH 2 Northing, 371.328.62 WATER LEVEL26.0' TIME TIME U z Casting, 2,193,906.24 TIME 1330 1215 1400 Fe c od DATE 3/26/92 DATE DATE DATUM NGVD ELEVATION 4793.26 CASING DEPTH 3/26/92 3/26/92 C (- DRILL RIG CME-55 SURFACE CONDITIONS Gravel driveway Z ANGLE 90 BEARING NA C3 SAMPLE HAMMER NA U TEST RESULTS ` m J I`O cod.' g SAMPLE NUMBER i t Oe/�� K E �j CO\ 2 AND W O NV F 3 N w N DESCRIPTION OF MATERIAL 'Z 3 2 �'z b -I N 2 aw z5 a ,'� 0 wz 5 i o wo-- mo-- m `30 3 A 3V _ CO Ca-OS') FILL. - 1 <0.5'-3.T) FILL. 0 _ - CS - - — 2 - 3 - o 0 o -. N - 4 I (3.7'-4.0') Stiff, brownish yellow, (IOYR 6/6), w CLAYEY SILL calcareous, (wet due to adjacent Decon - i operation), (ML) - 3 _ 5 O - T CS - m _ _ c _ 6 • _ (4.0'-9.O') Highly weathered. extremely weak, - interlominated-interbedded, dark yellowish orange. - r - - ClOYR 6/6), silty E. SANDSTONE. medium dark gray, (N4) - z - - CLAYSTONE slightly calcareous to noncalcareous, iron _ u - _ oxide staining, damp, WEATHERED BEDROCK - z I - - -657. Claystone - u - - (.. • _ 6 _ <8.0'-13.0') Highly weathered, extremely weak, _ - _ inter-laminated-interbedded. dark yellowish orange, - NI _ <10YR 6/6), silty P. SANDSTONE, medium dark gray, (N4), - a a a N 9 • CLAYSTONE slightly calcareous to noncalcareous. iron — CO 41 - oxide staining, damp, WEATHERED BEDROCK - C. - - w 10 O — CS — _I c — 11 — _ - 1 2 .. _ • el - N TO — (1 _ _ 13 — <13.0'-I8.0') Highly weathered, extremely weak, — — o, �' - ;nterlammated-interbedded, 'dark yellowish orange, _ - _- (10YR 6/6), silty P. SANDSTONE. medium dark gray, (N4), - CLAYSTONE slightly Calcareous to noncalcareous, iron - D a 0 _ 14 oxide staining, gypsum, damp, WEATHERED BEDROCK = Z < i- - - 0 _ - . . - CS - O L= 931061 SOIL BOREHOLE LOG SITE NAME ANO LOCATION DRILLING METHOD: 4.25' ID. 8.25' OD BORING NO. HOLLOW STEM AUGER SG-IS v) SHEET u LJ WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 OF 3 z CENTRAL WELD SANITARY LANDFILL. DRILLING W GREELEY, COLORADO START FINISH 2 V Northing: 371,328.62 WATER LEVEL 26V TIME TIME J tt fasting, 2,193,906.24 TIME 1330 1215 1400 g z DATE 3/26/92 DATE DATE DATUM NGVD ELEVATION 4793.26 CASING DEPTH 3/26/92 3/26/92 IX DRILL RIG CME-55 SURFACE CONDITIONS Gravel driveway Z O ANGLE 90 BEARING NA U SAMPLE HAMMER NA Z !i Z TEST RESULTS ,.-. w.-. m O. K __I v+z r o n O _4 0_> m SAMPLE NUMBER t \,z-� K 3 0 xw 3'tnw N DESCRIPTION OFMATERIAL w ?D O i� mw o L'iw �+ > 4w �ZK 1 u 0 wi 5 wm mo m N 30 O — 1fi — - CS — — 1 7 — - ')(18.0'-19.9 Highly weathered, extremely weak, - — interlaminated-interbedded, dark yellowish orange. — 18 • - O.0YR 6/6), silty F. SANDSTONE and medium dark gray, (N4), CLAYSTONE slightly calcareous to noncalcareous, iron oxide staining, gypsum, damp, WEATHERED BEDROCK — —— vli ac — 19 (18.9'-21.5') Highly weathered. extremely weak, dark -- a a a = I yellowish orange, (IOYR 6/6), silty F. SANDSTONE, — - noncalcareous, weakly laminated. damp, WEATHERED — BEDROCK 20 O - > co CS — a _— 21 — — - - (21.5'-230') (4.0'-8.0') Highly weathered, — v, c.: extremely weak. interlaminated-interbedded. dark - wZ - 22 _ yellowish orange, (10YR 6/6), silty F. SANDSTONE _, w and medium dark gray, (N4), CLAYSTONE, — w - noncalcareous, iron oxide staining, damp, WEATHERED - u — BEDROCK - 23 - -657. Claystone — — -i _ a a a (23.0'-26.0') Highly weathered, extremely weak, dark - ate` yellowish orange, (1OYR 6/6). silty F. SANDSTONE, — m m I - 24 noncalcareous, weakly laminated. damp, WEATHERE➢ - BEDROCK — o - O _ CO w _- 25 g - (26.0'-29.0') Highly weathered, extremely weak, CS - J G - • interlominated-interbedded, dark yellowish orange. — — 2fi <IOYR 6/6), silty F. SANDSTONE and medium dark gray, (N4), — CLAYSTONE slightly calcareous to noncalcareous, iron - — oxide staining, damp. WEATHERED BEDROCK — 27 -657. Claystone C27.0'-27.3') CALCRETE o Tr - - - CU N (27.3'-33.0') Highly weathered. extremely weak. - m vi — 28 _ interlominated-interbedded, dark yellowish orange. — — 0' \di ' - (IOYR 6/6), silty F. SANDSTONE and medium dark gray, 044). - ' — - CLAYSTONE slightly calcareous to noncalcareous, iron - - 29 oxide staining, damp, WEATHERED BEDROCK _ O — _ <-1:1 ratio Claystone to Sandstone) — Z < - O — C3 Z - - CS - O0 9;1061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 4.25' ID, 8.25' O➢ BORING NO. HOLLOV STEM AUGER SG-IS N SHEET w WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 3 OF 3 Z z CENTRAL WELD SANITARY LANDFILL DRILLING GREELEY, COLORADO w START FINISH Z - Northing 371.328.62 WATER LEVEL 26.0' TIME TIME Z - Ea;tng: 2491906.24 TIME 1330 1215 1400 Fe 0 — DATE 3/26/92 DATE DATE TUM NGVD ELEVATION 4793.26 CASING DEPTH 3/26/92 3/26/92 IX I- DA DRILL RIG CME-55 SURFACE CONDITIONS Grovel driveway Z O ANGLE 90 BEARING NA U SAMPLE HAMMER NA 0 TEST RESULTS z ti.' w m a 22 K J wz o a w 2S SIMPLE NUMBER a w rn ti r 0! ZQ \a0 m AND 2 mL) -i t J 3'^u N DESCRIPTION OF MATERIAL -ii A ;o z 2 w O J N > o u wZ = 2 O 0`� mom 2 m° ap O � 3U —- 31 • - — _ - cS — —- 32 — — — -- 33 TOTAL DEPTH = 33.0 Ft. —- 34 — - _ 1 — — = 1 —- 35 — r — 36 — — _ _ Z W 37 E . 1 _ W lz — — U —- 38 —^ - • - - 39 — cc Q w c —- 40 - o J — —- 41 — —- 42 — `n — 0 M 43 — -, 44 — z Z _ m O 931061 SOIL BOREHOLE LOG SITE NAME ANO LOCATION DRILLING METHOD: 4,25' ID, 8.25' OD BORING NO. HOLLOW STEM AUGER SG-L6 N SHEET z WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL I OF 3 z RIL CENTRAL WELD SANITARY LANDFILL DWNc W v, GREELEY, COLORADO s START FINISH i Northing, 371,947.19 WATER (LEVEL 33,0' TIME DINE J E Eastingi 2,192982.09 s TIME 1415 1245 1430 22 DATE 3/17/92 DATE DATE DATUM NGVO ELEVATION 4818.76 CASING DEPTH 3/17/92 3/(7/92 H DRILL RIG CME-55 SURFACE CONDITIONS Dry/non-vegetated Z O ANGLE 90 BEARING NA (._) SAMPLE HAMMER NA C.) TEST RESULTS J w„ a:,-. m u —U k -1 z_O^ -Laol I; m SAMPLE NUMBER i a \0 M C AND U w 3`vi o N DESCRIPTION OF MATERIAL W a 33 z z u O J a o aw Oza az u o "'z JJ I Q.• _,z,= 0'-' Q m 3 V • - (0.0'-3.0') Very loose, brownish yellow, (10YR 6/6), _ 1 unstratlFled, SAND, little Silt, noncalcareous, (SP) O — _ 1 - CS - -- 2 — —- 3 (3.0'-5.2') Loose, brownish yellow, (10YR 6/6), — _ unstratlFled, SAND, little Silt, noncalcareous, (SP) _ to I —- d _ - I - 3 - (5.2'-6.0') Highly weathered, extremely weak, dark - - 5 yellowish orange, (1OYR 6/6), silty F. SANDSTONE, Q2 - 0 0 o M noncalcareous. iron oxide staining WEATHERED CS - BEDROCK - - -- 6 " - (6.0'-8.0') Highly weathered, extremely weak, dark — - yellOwish orange, (LOYR 6/6), silty F. SANDSTONE - - _ - interbedded with completely weathered, extremely - v) - weak, dark medium gray, (N4), CLAYSTONE, - La - 7 noncalcareous, (-60% CLAYSTONE), WEATHERED BEDROCK - z - w _ - u - 8 — (8.0'-11.3') Highly weathered, extremely weak, dark _ l - yellowish orange, (LOYR 6/6). silty F. SANDSTONE - o; nJ - interbedded with completely weathered, extremely - y - 9 - weak, dark medium gray, (N4), CLAYSTONE. CO m noncalcareous. (-60'/. CLAYSTONE), WEATHERED BEDROCK - - - C Is' —- 10 = O _ O < _ CS - 1 1 • - <11.3'-l3A') Highly weathered, extremely weak, dark _ _ - yellowish orange, (1OYR 6/6), silty F. SANDSTONE - - interbedded with completely weathered. extremely - - 12 - weak, dark medium gray, (N4), CLAYSTONE. _ m noncalcareous, gypsum, (-60% SANDSTONE), WEATHERED - - BEDROCK _ ti 31 - _ 13 (13.0'-16.2') Highly weathered, extremely weak. F ni nodera-e yellowish brown, (10YR 5/4). silty F. - SANDSTONE noncalcareous, WEATHERED BEDROCK _ —- 1 d _• _ z z ® — CO — C 1 —5 - 331061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 4.25" ID. 8.25' CD BORING NO. HOLLOW STEM AUGER SG-1.6 to SHEET a w La WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 OF 3 u CENTRAL WELD SANITARY LANDFILL DRILLING La Z H GREELEY, COLORADO lz START FINISH W c Northing: 371,947.19 WATER LEVEL 33.0' TIME TIME -J m East:ngt 2,192,982.09 1245 1430 cof THE 1415 DATE 3/17/92 DATE DATE DATUM NGVD ELEVATION 4818.76 CASING DEPTH 3/17/92 3/17/92 DRILL RIG CME-55 SURFACE CONDITIONS Dry/non-vegetated 0 ANGLE 90 BEARING NA U SAMPLE HAMMER NA o • TEST RESULTS _ Luz i0 i 2 J . "O ,nap O SAMPLE NUMBER ui za sS" m AND v --,..t a C z.d ; o0 z DESCRIPTION OF MATERIAL w N 3 z o -. N ≥ O a Oz I 0 oV =0� 3 0 3� a (16.2'-17.2') Highly weathered. extremely weak, dark _ _ I8 yellowish orange, CIOYR 6/8), silty f. SANDSTONE, - - very little Clay, noncalcareous, WEATHERED BEDROCK — CS — — — 0 0 0 I7 (17.2'-175') Completely weathered, extremely weak, — • light gray, <N7), silty F. SANDSTONE, noncalcareous, — _ WEATHERED BEDROCK - - 18 - (17.6'-'18.0') Highly weathered. extremely weak, dark — — I ! — — yellowish orange, (10YR 6/8), silty F. SANDSTONE, _ _ - noncalcareous, WEATHERED BEDROCK — 1 — 19 - (18.0'-23.0') Highly weathered, extremely weak, dark _ I ye0owish orange, (IOYR 6/6), silty f. SANDSTONE — d _ interbedded with completely weathered. extremely — I — 20 weak, dark medium gray, (N4), CLAYSTONE, O —— 0 0 0 >- noncolcareous, WEATHERED BEDROCK CS - - -60% Claystone _ — 21 __ _ - in - - z i w — 22 _ _ tt — —— u — 2.3 (23.D'-28.0') Highly weathered, extremely weak, dark '— - yellowish orange, <10YR 6/6) to light gray, <N7), — ` Ili — - silty F. SANDSTONE. with interbedded and — y —24 — in terlanina ted, completely weathered, extremely ,_ m - weak, medium dark gray, (N4), CLAYSTONE (-507.), both — — - noncalcareous, moist, gypsum. WEATHERED BEDROCK _— CO 0 o a o 25 - © = VII o — — • CS — J — 26 - - - r) 0 • - — 28 - (28.0'-33.0') Highly weathered, extremely weak, dark — - ER — yellowish orange, (IOYR 6/6) to light gray, (N7), — sllty SANDSTONE, with inter-bedded and _ — L9 - interlo-.inated, completely weathered, extremely O 2 — - weak, medium dark gray, (N4), CLAYSTONE (-507,), weak z a — - fissility, both noncalcareous. moist, gypsum. O — m — _ WEATHERED BEDROCK CS _ O = 331661 SOIL BOREHOLE LOG T . SITE NAME AND LOCATION ORIWNG METHOD: 4.25' ID. 8.25' OD BORING NO. HOLLOW STEM AUGER SG-16 SHEET W WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 3 OF 3 z CENTRAL WELD SANITARY LANDFILL DRILLiNG i GREELEY, COLORADO — cr of " START FINISH Northing• 371,947.19 WATER LEVEL 33.0' TIME TIME Ix East;ng, 2,192,982.09 TIME 1415 1245 I430 o a: DATE 3/17/92 DATE DATE DATUM NGVD ELEVATION 4818.76 CASING DEPTH 3/17/92 3/17/92 CC DRILL RIG CME-55 SURFACE CONOITIONS Dry/non-vegetated Z O ANGLE 90 BEARING NA U SAMPLE HAMMER NA CD _ TEST RESULTS z m w c7 K J_ �- cc..., o �`O a.L., a` SAMPLE NUMBER a w0 vAA H a 2,= 3> m AND V >. 3 Fw c w DESCRIPTION OF MATERIAL z• N ,v o J AI > w �n oz Li.c•-• m0� a. V Ed a o iii - 31 - - - - CS - --- 32 - _ 33 - <33.0'-38.0') Highly weathered, extremely weak, dark _ — yellowish orange. (LOYR 6/6) to light gray, (N7), — i- - silty F. SANDSTONE, with interbedded and _ cc —- 34 _ mterlominated, Completely wenthered, extremely yl — weak, medium dark gray, (N4), CLAYSTONE (-50%), weak — — flssiltty, both noncalcareous, moist, WEATHERED 3 — - BEDROCK — 35 ®•.•. - — >- - ..•,- - m CS - O - 36 - — _ • - - z U -- w —- 37 = -- w - cc -38 - -, - TOTAL DEPTH = 38.0 rt. ti - 39 - m m io W 42 - �I - 43 - �i . - d4 _ Z Z - - CO 1-'-'- - C -5 L. 931061 SOIL BOREHOLE LOG • • SITE NAME AND LOCATION DRILLING METHOD: 4.25' ID. 8.25' OD BORING NO. SG-17 HOLLOW STEM AUGER in SHEET W WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL I OF 3 CENTRAL WELD SANITARY LANDFILL DRILUNG zvi GREELEY, COLORADO START FINISH z L.''Northing, 372,272.54 WATER LEVEL TIME TIM£ J F East:ng, 2.192769.99 30.34' 1500 1115 c d TIME 1650 DATE 4/28/92 DATE DATE i DATUM NGV D ELEVATION 4821.85 CASING DEPTH 3/16/92 3/17/92 I- DRILL RIG CME-55 SURFACE CONDITIONS Dry/non-vegetaton z 0 ANGLE 90 BEARING NA 0 SAMPLE HAMMER NA 0 i- I TEST RESULTS D d —'-' T. 8 V K T _ w I- ..J ly ``o w�Wa W a' SAMPLE NUMBER ₹ t'8771 M '- L'I'.. AND V NV r c _ --...<0 N V ,- DESCRIPTION OF MATERIAL W - O;Z z p - N 2 ta___ m0 d24 U -O G o 5 O 0 V ZJ :0.0'-3.0') StiFF, dark yellowish orown, (10YR 6/6). _ - 1 unstrat.Fied, CLAYEY SILT, truce F. Sand. strongly O — calcareous, damp, (ML) T — —— CS - — 2 3 <3.0'-9.0') StIFf, dark yellowish brown, (10YR 6/6), — a 0 0 — unstratlfied, CLAYEY SILT, trace F. Sand. strongly _ cp. _ calcareous, gypsum. damp, (ML) — o: - - ) c 0 CS- _ .- I— 6 — I v — I - — - N` ... - Z — 7 - I lx — U 8 (8.0'-13.0') Loose, brownish yellow. (10YR 6/8). - m unstrat:Fled, SILT and F. SAND, trace Cloy, Qom, — noncalcareous, gypsum, dump, (ML-SM) r crt — _ c L,... `' = U I_— _,— 10 Q ' < CS — ' l-.—-- 11 —' --- 12 — o' —— .7I — all rs 13 (13.0'-38.0') Highly weathered, extremely weok, dark — 0 a 0 a'I i... • moderate yellowish brown, (10YR 5/4), lannated, _ • — silty F. SANDSTONE, noncnlcareaus, damp. WEATHERED —• 14 BEDROCK z• 2 _ o — t- al t— ,.._ _cs — C 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 4.25' ID, 8.25' OD I BORING NO. HOLLOW STEM AUGER SG-17 SHEET u La WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 OF 3 z u CENTRAL WELD SANITARY LANDFILL DRILLING W ,n GREELEY, COLORADO ex START FINISH i u Northing! 372,272.54 WATER le/EL TIME TIME J Si 2.192769.98 TIME 30.34' 1500 1115 c 221 a 1650 DATE 4/28/92 DATE DATE DATUM NGVD ELEVATION 4821.83 CASING DEPTH 3/16/92 3/17/92 CC DRILL RIG CME-55 SURFACE CONDITIONS Dry/non-vegetation z 0 ANGLE 90 BEARING NA 0 SAMPLE HAMMER NA Z TEST RESULTS m J w^ m≥. o a §2 M J "O , ap O SAMPLE NUMBER i u-< X - 0 3 m ANO V no ;tn0 i DESCRIPTION OF MATERIAL W ,�-� ;u n:w o A > 2w OZ� N Q. �`+ m0 I"z� 2 O �-- mom 30 CJ _— _ = — CS - - 17 18 — (18.0'-23.0') Highly weathered, extremely weak. — 0 0 0 _ moderate moderate yellowish brown. (10YR 5/4). silty F. — InSANDSTONE. laminated. iron oxide stained, with — m — 19 — interbedded, slightly calcareous. highly weathered. — Z extremely weak, dusky brown, (5YR 2/2), fissile _ — CLAYSTONE. noncaicareous, gypsum. both damp, _ WEATHERED BEDROCK 2D as _ — CS _ 0 _— 21 — _ _ N U 22 — w - - u — 23 <23.0'-28.0') Highly weathered, extremely weak, — _ _ moderate yellowish brown, (IOYR 5/4), silty F. a+ SANDSTONE. laminated, iron oxide stained, with - an - • _ interbedded, slightly calcareous, highly weathered, CO m — 24 - extremely weak, dusky brown. (5YR 2/2), Fissile - - - CLAYSTONE, noncaicareous. gypsum. both damp. - 0 • WEATHERED BEDROCK - CD - 25 © — 0 < _ CS -' — 26 = — a a a _ — I _ _ _ i — 27 • — — in V — 28 - 28.0'- 33.0') Same as above. except a greater — I, v, ._ - Perce ntage rntage of CLAYSTONE than SANDSTONE, more — — - Fissile. better indurated. — w - 29 _ - Z < _ - - 07 - 02 w CS - 931061 SOIL BOREHOLE LOG SITE NAME ANO LOCATION DRILLING METH0O: 4.25' ID. 8.25' OD BORING NO. HOLLOW STEM AUGER SG-i7 N SHEET CC WASTE SERVICES CORPORATION SAMPUNC METHOO: CONTINUOUS SAMPLE BARREL 3 of 3 CENTRAL WELD SANITARY LANDFILL DRILLING = GREELEY, COLORADO W START FlNISH = 72 Northing' 372272.54 — WATER LEVEL TIME TIME _, Casting 2,192,769.98 30.34' TIME 1650 .500 1115 ce 0 - DATE 4/28/92 DATE DATE DATUM NGVD ELEVATION 4821.85 CASING DEPTH 3/16/92 3/17/92 Z F- DRILL RIC CME-55 SURFACE CONDITIONS Dry/non-vegetation Z ANGLE 90 BEARING NA U SAMPLE HAMMER NA U' TEST RESULTS = 4,-. WE,s--- m0 i 0 tJ K J z w) Z, toil'cP iY pm SAMPLE NUMBER \6 K LLB i ' 'CO 2 ANO C '-' coo w x 3'^w N DESCRIPTION OF MATERIAL w - 3 z w o v> nw mOZK a. u m0 rZ 5 J = O Ov 3o ca rrr N —- 31 — - - cs - —- 32 — 33 — (33.0'-38.0') Highly weathered, extremely weak, dark — _ - yellowish orange. (1OYR 6/6X silty F. SANDSTONE. _ laminated, noncalcareous, wet, interbedded with — —- 34 — highly weathered, extremely weak, moderate dark _ gray, <N4>, CLAYSTONE. noncalcareous, wet. WEATHERED _ — _ BEDROCK — _- 35 ® _ L cs - - _—- 36 — - - - - - - - z —- 37 - — Ll w - I L, — — _- 38 TOTAL DEPTH = 38.0 Ft. _ — >— — 39 —, n _ - c _ w _ U _- 40 O G —- 41 — —- 42 — - 0.i - N —- 43 — m1 —- 44 -- z — — — C = 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 4.25' ID. 8.25' OD BORING NO. HOLLOW STEM AUGER SG-18 SHEET u La WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 1 OF 3 z u CENTRAL WELD SANITARY LANDFILL DRILLING u GREELEY, COLORADO START FINISH Z ,Wj Northing 372,662.59 WATER LEVEL 26.28' TIME TIME _i a Eastin 2.192.768.01 gre 745 945 TIME 1700 c ¢ DATE 4/28/92 DATE DATE DATUM NGVD ELEVATION 4827.56 CASING DEPTH 3/17/92 3/17/92 Z DRILL RIG CME-55 SURFACE CONDITIONS Dry/non-vegotation Z 0 ANGLE 90 SEARING NA o SAMPLE HAMMER NA Z TEST RESULTS J m x J Wz w o C La OV L'O a w $ SAMPLE NUMBER o 8o, DI Q O 2> coZa AND o "-m xi., --...co" 2 DESCRIPTION OF MATERWL -, Q oz Ww o rn O aw £zrc a2 u 0 i S 00 m0" < m 300 0 N — CO.0'-3.0') StiFF, moderate yellowish brown, (10YR — 5;4), unstratif,ed. CLAYEY SILT, strongly _ — calcareous, dorm. (ML) — — CS - -- 2 3 (3.0'-8.0') Loose, yellowish brown, (IOYR 5/6), _ — unstratIFied. f. SAND, little Silt, trace Clay, - - calcareous, moist, ISM) — o+ ce W 4 = - - 3 5 O - os - CS - C —- 6 = _ — �� _ 0) - _ z , - _ L., 7 - u, Li — 0 — — u 8 (8.O'-12.5') Loose, yellowish brown, (10YR 5/6). — - _ unstratiFied. F. SAND; little Silt, trace Clay, — 0 o 0 m calcareous. moist, (SM) _ co)- \m g _ - - C - LU _ C7 w —- 10 O - o D _ CS — 11 — — (12.5'-13.0') Very loose, brownish yellow, (10YR — —- 12 6/6), unstrntif ied, SAND. (SM) _ c — (13.0'-13.59 Very loose, brownish yellow, (10YR — — 6/6), unstratified, SAND, ISM) — °0.1 m _ — ^ u - 13 (13.5'-I8.0') Highly weathered, extremely weak, dark — — - m N - yellowish orange. (1OYR 6/6>, silty f. SANDSTONE. _ — laminated, iron oxide Stained. noncalcareous, damp, - - • _ with interbedded, completely weathered, extremely - — 1 4 weak, medium dark gray, (N4), CLAYSTONE, — Z Z noncalcareous, damp, plant fosses. WEATHERED Oq - BEDROCK — m w CS — 0 — 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION ORIUJNC METHOD: 4.25' ID. 825' OD BORING NO. HOLLOW STEM AUGER SG-L8 In SHEET w WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 2 OF 3 CENTRAL WELD SANITARY LANDFILL DRILLING W H GREELEY, COLORADO s START FINISH y Northing 372,662.59 WATER LEVEL 2428, TIME TIME Eastingt 2192,768.01 745 945 as TIME 1700 c DATE 4/28/92 DATE DATE DATUM NGVD ELEVATION 4827.56 CASING DEPTH 3/17/92 3/17/92 CC DRILL RIG CME-55 SURFACE CONDITIONS Dry/non-vegatation Z O ANGLE 90 BEARING NA U SAMPLE HAMMER NA () TEST RESULTS Z G^. ._ m oo n _J �`o d W o SAMPLE NUMBER O4 N '- E! -< 2> m AND v m4 3 O iJ 300 N DESCRIPTION OF MATERIAL of ¢w o �+ O 6 w = O W� 0 0•- 6 V m 0 G 3u 3 O - r - 18 -_ CS _ 0 0 0 —- 17 — - 18 r 1- (18.5'-19.0') Completely weathered, extremely weak, - - medium dark gray, (N4), CLAYSTONE, noncalcareous, _ _- 19 - - damp, plant fossils, WEATHERED BEDROCK — 2 _ (19.0'-22.5') Highly weathered, extremely weak, dark _ yellowish orange, (IOYR 6/6), silty F. SANDSTONE. - -- 20 Laminated iron oxide stained, noncalcareous. damp, p5 = r - WEATHERED BEDROCK m CS _ C —- 21 • — —_ (,> L. — — z i - 22 • • 22.5'-23.0') Completely weathered, extremely weak, — a medium dark gray, (N4). CLAY STONE, noncalcareous, — 0 0 0 u - damp, plant fossils, WEATHERED BEDROCK _ a —- 23 r (23.0'-28.0') Highly weathered extremely weak, — — _ moderate dark gray. (N4), CLAYSTGNE, interlaminated - m — — dark yellowish orange, (l0YR 6/6), silty f. — SANDSTONE. noncalcareous, moist, WEATHERED BEDROCK — — r ml - 24 - finely intertaminated -937. CLAYSTONE/77. — CCI c - SANDSTONE - O w _ — LC w 25 © c> C - CS - -- 28 - I i — 27 - — 'm P - N m - • n ui — 28 28.0'-33.0') Highly weathered. extremely weak, — mI D. — moderate dark gray, (N4), CLAYSTONE. interlaminated — I - dark yellowish orange, (10YR 6/6), silty f. - - SANDSTONE, noncalcareous, wet, WEATHERED BEDROCK — m -- 29 _ - d C — _ finely interlaminated -60% CLAYSTONE/40% —, Z G SANDSTONE O7 _ CC L- - - CS - C _ 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 4.23' ID, 8.25' OD BORING NO. HOLLOW STEM AUGER SG-18 SHEET W WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 3 OF 3 z CENTRAL WELD SANITARY LANDFILL GREELEY, COLORADO DRILLING LJ IA Northing: 372662.59 START FINISH C Fasting: 2.192,768.01 WATER LEVEL 24.28' TIME TIME J G< TIME 1700 745 945 0 ¢ DATE 4/28/92 DATE OATE DATUM NGVD ELEVATION 4827.56 CASING DEPTH 3/17/92 3/17/92 DRILL RIC CME-55 SURFACE CONDITIONS Dry/non-vegatation Z ANGLE 90 BEARING NA U SAMPLE HAMMER NA (..) ^ ¢ 1.., TES RESULTS 70 w2 !ES I ~ K J z 0 it? SAMPLE NUMBER O-gi K Ct ��o AND u �< O m # w >- DESCRIPTION OF MATERIAL W ? 3 6 z - in m Sy OW dso aZ C2 w� c N O N U a — 31 - _ CS — - 32 - _ 33 — _ (33.0'-35.1'> Highly weathered, extremely weak, grayish black, (M2), CLAYSTONE with trace F. 0 0 0 1 N 34 gray Sandstone, nonCnlCnreous a — _ _ _ — __ - ) r 35 - - >- (35.1'-36.7') Highly weathered, extremely weak. S — 07 - • dark yellowish orange, UOYR 6/8), slaty F. — p 36 SANDSTONE (50%). and highly weathered, extremely Y — weak, grayish black, (N2), CLAYSTONE — _ H U — (36.7'-38.O'> Highly weathered, extremely weak, Z — 37 W dark yellowish orange, (lOYR 6/6), slaty F. W SANDSTONE, noncalcareous — cc — u — 38 - , TOTAL DEPTH = 38.0 rt. - N 0' — 3 co 9 — m - _ o - w — 40 - CD _ — G ---- 41 = _ - - 42 _ o Tr -, N 00 - -. I — `'' u - 43 0' h — 44 - o m _ Z z 1 m - 1 ^ O i- 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 4.25' ID, 8.25' OD BORING NO. HOLLOW STEM AUGER SG—LS Go SHEET ¢ W WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL I OF 3 Lj CENTRAL WELD SANITARY LANDFILL DRIVING W v, GREELEY, COLORADO a: START FINISH i u Northing' 373248.01 WATER LEVEL 11.1' TIME TIME J a Eastngi 2,192,772.74 ce TIME 1530 1430 1200 c DATE 3/23/92 DATE DATE DATUM NGVD ELEVATION '835.94 CASING DEPTH 3/23/92 3/23/92 I- DRILL RIC CME-55 SURFACE CONDITIONS Slightly muddy/grass Z 0 ANGLE 90 BEARING NA C.) SAMPLE HAMMER NA U' TEST RESULTS Z Z1 ^ wt a 8U K r a co �� m SAMPLE NUMBER \a tt i 0 mw 3O'�w H DESCRIPTION o 2NOF MATERIAL w <D 0 o 0z a:W O J N > LW' mom " -Jo `ao 0 A 30 (0.0'-3.0'J St'�f F, dark yellowish drown, (10YR 3/6), 1 \ unstratiFied, SILTY CLAY, trace F. Sand, strongly O \ cnlcnreous, roots (0.0'-2.O'), CCU I — 2 \ CS - 3 \ (3.0'-4.2') Stiff. dark yellowish brown, (IOYR 3/6), uns trn ti Fie d, SILTY CLAY, trace F. Sand, strongly _ �- \ cnlcnreous, (CL) _ Li d \ (4.2'-B.0') Stiff, brownish yellow. (IOYR 6/6), — s _ uns trn tlfie d, SILTY CLAY and F. SAND, calcareous, 0 a 0 j (CL-SC) = 5 S - } CS m _ \ CAlCRE7E zone -.6'-8' observed in adjacent _ D — \ trench — _ — B — — La - — \ — W \` W I W LJ \ U — 8 \ -i — W.0'-15.0') Loose, brownish yellow, (10YR 6/8), — a — SAND, noncalcnreous, wet (SM) — a' — — r Ni 9 — co _ o < I — 10 Q - _ CS — O� — 1 1 — — _ — 12 --- -171 m 0 — a m - �_ V - 13 �I �i __ W - 14 Zz= ® m V.J — CS - CZ 931061 • SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILUNC METHOD: 4.25' ID, 8.25' OD BORING NO. HOLLOW STEM AUGER SG-I3 ' vl SHEET cz w w WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 2 OF 3 CENTRAL WELD SANITARY LANDFILL DRILLING Z N GREELEY, COLORADO w o: START FINISH w Northing, 373,248.0! WATER LEVEL 11.1' TIME TIME Z z Casting, 2492.772.74 d TIME 1530 1430 1200 o a: DATE 3/23/92 DATE DATE DATUM NGV➢ ELEVATION 4835.94 CASING DEPTH 3/23/92 3/23/92 CC DRILL RIG CME-55 SURFACE CONDITIONS Slightly muddy/grass O ANGLE 90 BEARING NA 0 SAMPLE HAMMER NA (.) TEST RESULTS Z 0 J wo 4wi C i 6z K _I iF iw m SAMPLE NUMBER O\ SI 2 0 a w o z¢ `v, DESCRIPTION AD 0 NOF MATERIAL W ≤ o 0 c w c j ni 0 w� mom- n. mo `z 5 x o 0 3 ao a �l U - 16 • (15.0'-18.0') Highly weathered, extremely weak, — brownish yellow, (10YR 6/8), clean, silty F. SANDSTONE — unstratiFied, noncalcareous. wet, homogeneous. CS - - WEATHERED BEDROCK - — I7 - - 0 0 C - 8 - 018.0.-21.0') Highly weathered, poorly cemented. a - 19 extremely weak, brownish yellow, (IOYR 6/8), clean, -— silty P. SANDSTONE, unstratified, noncalcareous. — — wet, homogeneous. WEATHERED BEDROCK — — 20 <21.0'-22.0') Highly weathered, poorly cemented, O — = extremely weak, brownish yellow, (IOYR 6/8), clean, CS — silty F. SANDSTONE. unstratiFied, noncalcareous, — C — 21 wet, homogeneous, WEATHERED BEDROCK — — (22.0'-23.0') Highly weathered, extremely weak, — z - 22 ' - _ interloninated, dark yellowish orange, (10YR 6/6), = u+ _ silty f. SANDSTONE. and medium gray, (N5), — r - CLAYSTONE. noncalcareous, wet. Sandstone iron oxide — u' ! - — stained, gypsum layers. WEATHERED BEDROCK - u — 23 - (23.0'-28.0') Sane as above, except CLAYSTONE beds — - - are thicker (0.5'-0.87 - 0 0 0 n, i _ — a' - j • 24 m — _ — — C — _ W C9 25 © - o CS - -- 26 - —- 27 — m — - <28.D'-29.O') Highly weathered, extremely weak, — e i - moderate yellowish brown, (IOYR 5/4), silty F. - ?' SANDSTONE, weakly laminated, noncalcareous, wet, — n 28 WEATHERED BEDROCK — __ F n - <29.0'-33.0') Highly weathered, extremely weak. — 29 interlominated. dark yellowish orange, (IOYR 6/6). — O 2 — silty F. SANDSTONE. and medium gray, (N5), — Z Z - - CLAYSTONE, noncalcareous. wet. Sandstone iron oxide O — m l — stained, gypsum layers, WEATHERED BEDROCK CS — O = 93106' SOIL BOREHOLE LOG SITE NAME AND LOCATION DRIWNG METHOD: 4.25' ID. 8.25' DD BORING NO. HOLLOW STEM AUGER SG-L9 v) SHEET w WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 3 of 3 z '' CENTRAL WELD SANITARY LANDFILL DRILLING z H GREELEY, COLORADO °: START FINISH 0 Northing, 373,248.01 WATER LEVEL 11.1' TIME TIME J ce Ens tin, 2392,772.74 TIME 1530 1430 1200 c DATE 3/23/92 DATE PATE DATUM NGVD ELEVATION 4835.94 CASING DEPTH 3/23/92 3/23/92 COH DRILL RIG CME-55 SURFACE CONDITIONS Slightly muddy/grass O ANGLE 90 BEARING NA _ 0 SAMPLE HAMMER NA 0 TEST RESULTS z w. m J wz -0= OZ i OU. K _._l zo0to3 m SIMPLE NUMBER 6 T O\6 K ' EE x u, 0 NU j-N DESCRIPTIONNOF MATERIAL D w N 3z a:w o j N j au m2 O¢ a 0 mo wi 5 o o" ¢0 0 ,i 3U — 31 — - CS — — 32 — _ — 33 — 0 0 0 - • _ - C33.0'-38.0') Highly weathered. extremely weak. — �, _ inter-laminated. dark yellowish orange. (LOYR 6/6), _ ay. — 34 CLAYSTONE. nonaalaareous, wet, Sandstone iron oxide silty F. SANDSTONE and medium gray, (NS), — _ — - stained. gypsum layers, WEATHERED BEDROCK _ - 35 O — cs — _- 36 - — z 37 = i — • — z 36 — TOTAL DEPTH w 38.0 Ft. — n. - - r _- 39 —_ — — o w _ CD 40 _ 0 < J _ - 41 - 42 -_ ri - O Cu 43 _ m _- 44 - 0 -f _ - Z z _ _ m - _ 0 = 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 425' ID, 8.25' D➢ BORING NO. HOLLOW STEM AUGER SG-20 (4 SHEET o: w WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 1 OF 3 ?uu CENTRAL WELD SANITARY LANDFILL DRILLING Z vi GREELEY, COLORADO w START FiNISH Northing: 773,239.68 WATER LEVEL 6.0' TIME TIME -, Fasting: 2,192267.81 TIME 830 745 945 c o: DATE 3/24/92 I DATE DATE DATUM NGV➢ ELEVATION 4827.16 CASING DEPTH 3/24/92 3/24/92 CC DRILL RIG CME-55 SURFACE CONDITIONS Dry/non-vegetation Z 0 ANGLE 90 BEARING NA ci SAMPLE HAMMER NA • m TEST RESULTS J Lu lWi O 6 oU IC J o d ij SAMPLE NUMBER - N p �j \a al AND v N� p .'01 8°w H DESCRIPTION OF MATERIAL E g ; cc J Qi 2 _N 0 Ov o0'' u co.- QO u U - (0.0'-1.5') Stiff, dark yellowish brown, (10YR 4/4). _ — ..nstratiFed. SILTY CLAY. trace F. Sand, strongly - - calcareous. moist, roots, FILL — _ 1 0 — unstratiFied, StifC, brownish yellow, (lFYR 6/8), CS _ CLAYEY SILT, trace F. Sand, 2 calcareous. moist, FILL, (ML) _ 3 (3.5'-6.0') Loose, brownish yellow, (10YR 6/8), _ — unstratiFied, CLAYEY SILT, little F. Sand, clasts of ~ _ reworked CALCRETE, slightly calcareous. moist, FILL. — 4 (ML) _ L 0 — 0 0 0 (6.0'-7.O') No recovery CS — $ (7.0'-7.7') Loose, brownish yellow, (1OYR 6/8), _ >- - unstratiFied, CLAYEY SILT, little F. Sand, clasts of - CC _ Y reworked CALCRETE, slightly colcareous, mast, FILL, - p 6 (ML) 0 _ (7.7'-8.0') Loose, olive, (5Y 4/4), CLAYEY SILT, NR ui z - little f. Sand. calcareous, reduced zones, (ML) — 7— W _ z - (8.0'-as') St p3 IFF, black, (N2), unstratiFied, F. - u _ z,SAND, little Silt, trace Clay, very colcareous, CS Li — 8 (decaying grass and reed-type vegetation/backFilled — marsh), (SM-DL) . - N _ (8.5'-10.4') Stiff', black, (N2), unstratiFied, F. - N g SAND. little Silt, trace Clay, very calcareous. _ OD T (decaying grass and reed-type vegetation/backfilled - p - marsh), (SM-OL) _ 0 0 0 W 10 (10.4'-10.9O Loose. olive, (SY 4/4), CLAYEY SILT, 0 O - little F. Sand, calcareous, reduced zones. (ML) CS — J G - (10.9'-13.5') Highly weathered, extremely weak, - 11 - i nterlominated, dark yellowish orange, (.OYR 6/6), - - silty f. SANDSTONE. iron oxide staining, and medium _ gray, (N5), CLAYSTONE, noncalcareous, moist, - — 12 - WEATHERED BEDROCK -— n _ - (13.5'-14.5') Highly weathered. extremely weak, _ a o in terloninated, dark yellowish orange, (IOYR 6/6). - n+ _ 13 _ silty f. SANDSTONE, iron oxide staining, and medium _ = r - - - VEATHERED BEDROCK CLAYSTONE. noncacareous. Hoist. . - o' _ (14.5'-18.5') Moderately weathered, very weak, 14 moderate yellowish brown, (1OYR 5/4), silty F. - — Z - SANDSTONE, unstratiFied, minor oxide staining, _ 0 0 0 Z Z - poorly cemented, noncalcareous, moist, WEATHERED O - CO J - . . . BEDROCK CS - 0 u- 331064 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLING METHOD: 4.25' ID. 8.25' OD BORING NO. HOLLOW STEM AUGER SG-2O LI SHEET a WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 OF 3 Z CENTRAL WELD SANITARY LANDFILL DRILLING ZZ„ GREELEY, COLORADO " START FINISH Z Nor thing, 373,239.68 WATER LEVEL 6.0' TIME TIME I s Eostingi 2,192267.81 TIME 830 745 945 o z DATE 3/24/92 DATE DATE 4/92 3/24/92 C_ DATUM NGVD ELEVATION 482116 CASING DEPTH 3/2 F-- DRILL RIG CME-55 SURFACE CONDITIONS Dry/non-vegetation Z O ANGLE 90 BEARING NA O SAMPLE HAMMER NA CD Z TEST RESULTS J t.,^ W T O 6 O V K "4 0.w d SAMPLE NUMBER a a 1= o�N K C z'- 77 m AND o �a '2 2 C x W Q' w N DESCRIPTION OF MATERIAL w a Oz W m S 0 SA' a o w00`� t U Et <02 N — 16 — - CS — — 17 — 18 — a a a <18.5'-23.5') Highly weathered, extremely weak, _ .a — 1 g _ inter-laminated, dark yellowish orange, (1OYR 6/6), — - silty f. SANDSTONE, iron oxide staining and medium — gray, (N5), CLAYSTDNE, noncnlcareous. moist, — — WEATHERED BEDROCK — 20 © — cs — r.. — C — 21 = s_ — 7 — Z — • • - — W — 22 • • _ tv _ • _ (23.5'-25.5') Highly weathered, extremely weak, - - 23 Interloninated. dark yellowish orange, <IOYR 6/6), — — 1 _ _ silty F. SANDSTONE, iron oxide staining, and medium _ m — WEATHERED BEDROCK CLAYSTONE, noncnloareous, moist, — x > a : — 24 — M T _ C25.5'-26.0') Highly weathered, extremely weak, — w - Inter)am,n ated, dark yellowish orange. UOYR 6/6). — CD u 25 - silty F. SANDSTONE. Iron oxide staining, and medium — O — gray. (N5). CLAYSTONE, noncnlcareous, moist, —CS — 0 0 a —' C. — — WEATHERED BEDROCK — _ 26 = <26.D'-29.5') No recovery - _ i — 27 o — — N N — — MI UI — 28 — a O - b• ___ (28.5'-29.5') Highly weathered, extremely weak, 8 — grayish black, (N2), CLAYSTONE. noncnlcareous. CS — 29 _" Fissile, WEATHERED BEDROCK — Z — Z '"' (29.5'-33.0') No recovery — G — NR — — 931061 SOIL BOREHOLE LOG SITE NAME AND LOCATION DRILLNG METHOD: 4.25' ID, 8.25' OD BORING N0. - HOLLOW STEM AUGER SG-20 N SHEET w WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 3 OF 3 VZV CENTRAL WELD SANITARY LANDFILL DRILLING W ut GREELEY, COLORADO START FINISHz V Northing: 373.239.68 WATER LEVEL 6.0' TIME TIME -J CC Ea Ling: 2,192,267.81 TIME 830 745 945 c o: DATE 3/24/92 DATE DATE DATUM NGVD ELEVATION 4827.16 CASING DEPTH 3/24/92 3/24/92 CC DRILL RIC CME-55 SURFACE CONDITIONS Dry/non-vegetation Z 0 ANGLE 90 BEARING NA U SAMPLE HAMMER NA CJ TEST RESULTS z 21 L.1.-' cc,- L. m pV 1l J Z a O a OZ O Z> m SAMPLE NUMBER \� tt " O b> -....co 2 AND z z u 2 iw 3o'^w N DESCRIPTION OF MATERIAL 6 oz CC 14 a N > a.y mazes 2 ° O wz 5 2 O m o 30 O _—- 31 NR - -- 32 — —- 33 — I TOTAL DEPTH = 33.0 Ft. _ _ — tt , — 34 — i i _ - - > 1 — 35 — >- - m 0 _—- 36 — - _ N V - Z _ — LI — 37 - i W _ - D: —- 38 — • N r N ra -- 39 - C CC < I Ls.' - — CD w —- 40 — V I- - _ of C —- 41 — —- 42 C, — a - - N a - N _ - A 0 — 43 Ir V: - - -- 44 _ z Z m W _ C - -D c 331061 SOIL BOREHOLE LOG __ SITE NAME AND LOCATION ORILUNG METHOD: 4.25' ID. 8.25' OD BORING NO. SG-21 HOLLOW STEM AUGER y SHEET a La WASTE SERVICES CORPORATION sAUPUNG METHOD: CONTINUOUS SAMPLE HARREL 1 OF 3 Z CENTRAL WELD SANITARY LANDFILL DRIW.ING W 0: H t GREELEY, COLORADO START FINISH V c — Northing: 373.235.37 WATER LEVEL 18, TIME TIME - IX Casting 2.191525.07 TIME 1430 1215 1430 c 0: DATE 3/24/921 DATE DATE DATUM NGVD ELEVATION a829.81 CASING DEPTH 3/24/92 3/24/92 I DRILL RIG CME-55 SURFACE CONDITIONS Dry/non vegetated Z _ O ANGLE 90 BEARING NA o , SAMPLE HAMMER NA Z TEST RESULTS — m W `U K —I to W r Q . y �`O 0.W SAMPLE NUMBER i \< K .. Q �V a 2 ADESCRIPTION OFMATERIAL co D - 3 V = J i Oz Ire m N s W .+ V1 O Cv mom a m0 a0 0 3V ZJ 1 ' (0.0'-0.8') St;FF, dark yellowish brown, (lOYR 4/4), unstra-;r,ed. SILTY CLAY, ve'v calcareous, roots, — ?` hoist, (CL) - - 1 O _ - <0.8'-3.0') Stiff, yellowish brown, (10YR 5/4), — — unstrat;Fied, CLAYEY SILT and F. SAND, calcareous, CS _ —- 2 dry. (ML) 3 (3.0'-8.0') Loose, brownish yellow, (IOYR 6/6), - - unstrat;Fied, SILT, trace f. Sand. calcareous, dry, — 0 0 0 ,- - in NI-) _ o — W - 4- - _ —- 5 O2 = I` — c CS— — c - s - Y _ — z _ — W — 7 = z W iz — — U . —- 8 (8.0'-10.7') Loose, brownish yellow, (10YR 6/6), ^^ _ — unstratified, SILT, trace F. Sand, calcareous, dry, — m I— (ML) 03 -- 9 CO 1' _, a - 0 0 0 L_l C.? 1.,.. —- i0 Q o c — CS — (10.7'-I3.0') Stiff, brownish yellow, (LOYR 6/8), = 11 unstrat;F:ed, CLAYEY SILT, very calcareous. hoist, - (ML)— —- 12 o s — � fU N. ---- 13 (13.0'-18.0') Stiff, brownish yellow, <10YR 6/(8), —4 — rn . — unstrat:F;ed. CLAYEY SILT, very calcareous,moist, _— <ML) — .,. -- 14 0 9 21061 SOIL BOREHOLE LOG - • SITE NAME AND LOCATION ORIUING METHOD: 4.25' 1D, 8.25' GO BORING NO. HOLLOW STEM AUGER SG-21 '4 SHEET lz Li WASTE SERVICES CORPORATION SAMPUNG METHOD: CONTINUOUS SAMPLE BARREL 2 OF 3 z CENTRAL WELD SANITARY LANDFILL DRILLING WCC v, GREELEY, COLORADO START FINISH i V O Northing: 373,235.37 WAS LEVEL 18' TIME TIME J ce Easttng' 2.191525.07 1215 1430 TIME 1430 DATE 3/24/92 DATE DATE DATUM NGVD ELEVATION 4829.91 CASING DEPTH 3/24/92 3/24/92 CC DRILL RIG CME-55 SURFACE CONOOIONS Dry/non vegetated z 0 ANGLE 90 BEARING NA U SAMPLE HAMMER NA Z TEST RESULTS 7.: Ci.-, n-.., m 'a it _J z - "o Ida a' SAMPLE NUMBER c 0z N Za \A(o co AND (0 ± `in° i " u, 2 C] Iw sIsIurt DESCRIPTION OF MATERIAL a: a oozz wF o w 'o �za u m mo a1 t O v U _—- 1 6 - -- CS - -- 17 - 18 Y — 0 0 0 _ — (18.0'-21.0') Stiff, brownish yellow. (10YR 6/8), - l- - unstratIFled, CLAYEY SILT, noncalcareous, wet, (ML) — a cm - 19 - - 20 co CS _ O —- 21 — (21.0'-21.2') Coarse SAND. (SP) Y — — vi U (21.2'-23.0') Stiff, brownish yellow, (10YR 6/8), _ u - 22 unstratiFied, CLAYEY SILT, very calcareous. moist, — tal z MU —— Li La — — U l —- 23 (23.0'-28.0') Stif F, brownish yellow, (1OYR 6/8), _ — unstratified, CLAYEY SILT, little F. Sand, very — 0' — calcareous, moist, (ML) — a 0 0 } m -- 24 = C° T — _ o w —- 25 © = o 0 cS — 26 _ —- 27 m 0 — — — N al — — ' v —- 28 (28.0'-29.3') Stiff, brownish yellow. (10YR 6/8), = a' v,, —_ unstratified. CLAYEY SILT, little f. Sand. very _. I — Calcareous, moist, (ML) — 0 0 0 - 29 29.3'-33.0') Highly to completely weathered, � = Z — extremely weak, brownish yellow, (10YR 5/4), silty 7 — w F. SANDSTONE, noncalcareous. wet, WEATHERED BEDROCK O -- m0 L" 931061 SOIL BOREHOLE LOG SITE NAME ANO LOCATION DRIWNG METHOD: 4.25' ID. 8.25' 00 BORING NO. HOLLOW STEM AUGER SG-21 h SHEET u WASTE SERVICES CORPORATION SAMPLING METHOD: CONTINUOUS SAMPLE BARREL 3 of 3 CENTRAL WELD SANITARY LANDFILL DRILLINGz v. Lu GREELEY, COLORADO z START FINISH Z .j Northing, 373,235.37 WATER LIVE. 18' TIME TIME 2 Y Easrn 2.191525.07 9 TIME 1430 1215 1430 c DATE 3/24/92 DATE DATE CC DATUM NGVD ELEVATION '829.81 CASING DEPTH 3/24/92 3/2x/92 DRILL RIG CME-55 SURFACE CONDITIONS Dry/non vegetated Z G ANGLE 90 BEARING NA C) SAMPLE HAMMER NA U Z TEST RESULTS w^ wi. o a o K J z p zP ,1 i m SAMPLE NUMBER 82 K i O SW D w 3'�w H DESCRIPTION AOFMATERIAL w - 3p Z u z o j I 2 aw Z¢ a p Z j o 00" m ¢O V N 30 • —- 31 • • • • . .•. -- - CS — —- 32 — —- 33 _ TOTAL DEPTH = 33.0 Ft. - - s —- 34 — _ - — ) —- 35 — > - m — G —- 36 — — — z — W —- 37 — z — —. W CC —- 38 — -, ti T —- 39 — C° ? I o e U.., —- 40 0 `a - J n —- 41 — _- - I • o --- 42 —' ^ - t1 UI —- 43 . op! ,,II - - I - 44 — = a 2.7 - - m 'y - - G - 931061 s . �ia. -r" ad ` r'e' t.t 4Y4s1 14 �` 1"z `x'x y rN t '�"4�FC' ni.r,�'u€ .' < m61 'i n s y" ^Fa 'A. :'tf,:r y jX='4: 1y:: '!i�\ 1 a+ i 1.16,Yf9 /. aT.+�({f j� '�,A r "..�i�a f*.Y ,y,, K aki(Yi'l3H N 4 �i'•%'.,Yt (•ji'W1-r•T+ m .r `tot i-={iter Z ;.x.j pf s •, 'y.ni'•,s},r, a�tw.,i�; +a , r y.a�rvuN"A .�idM'r} "`4t`ksn' u{ p31['.6i o kl`^'i .:: ti' 'r``.s}a k'jf'"3` """` -en " d1- .Jt na . `a .s t Hrr+14a,ra x-s ixM '�i•:o a *3 a t ✓"'i� cld ha € .c d .�.y�y ax >.M a r tz- 6 a _ r A r r a SsSJ. '. •+L+. °: K d iws uwcec r .-. ! x. v f 'tx , L. k s,fi,fti r•—...." x �fi x T J'3. s 9 Y .Fl*., -.h‘441"'", gs ,7:',-, �•'" ' A • e v + A '�e 3'eye'^siti4i?S't”n bC1*.,rab X`,} ^b3#«k*;2`'\tf m4�.c ti yir t 4""dT^" f ..4 >•3i yes A r 1 ', u , t rc7,3..f#4 S* �r'+YR', •Pil '!kSr{`,a f,v 4iia'. .03.4Es. '. y h'''S r '' " z;1:5A i ' A4N.' 2cE � 'vt, -A 2ril' at"yk"?, L'2'-'44-`4.i[ r +. 4 M A#Y5s..i xi?F+t 1-w'"ffaC C-n M i S°i"i .,,,r . Y:"... , ,"44 M5 4," h a '44'4,4,. v 1.77.l, ,. om" ..a� rra;rr a .�+�#�r. ", ...y . .,. , n .. -, -. ... . � v. rt .. .. ""r" .. ... r.-. .. APPENDIX D LANDFILL SOIL GAS PROBE CONSTRUCTION SUMMARIES 4 :';- q ..t': .fir"dA�Sr•'n{ _`�=.�: x ,d "3G«�fW.. ''�yy,}^w+1..u»,e„,��sga. ., v,� �. z� yr t� e rr ♦{".� 1 s , ,s,se. r,t',.: j ' .0-.(s 4nr ra is-r ^yl,4+ij;#b { s'z„Frf; .tu=' a N. &+{a" ,i� 4Z ;nir y' 't, ,5-.4i'4-20...!:',.:-:.;..."*".'"k* ` ' w'q Errs r r sr's,q Y^•d i4.s`4' 'N 3. _-� h J ti's' pL to e<. 3 ,'"---i- x1 2.,, V r r8F-". ' ..4" . 23..;.- 4 l r K .. 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MAJOR DIVISIONS GRAPHIC GROUP TYPICAL SYMBOL SYMBOL DESCRIPTIONS CLEAN •�.'r •; /"N\A/ WELL-GRADED GRAVELSM GUEI-SAND GRAVEL GRAVELS U VV MIXTURES UflI OR NO FINES AND ~ GRAVELLY SSSSn • ES • • • SOILS G P POORLY-GRADED GRAVELS GRAVEL- SAID MIXTURES LITRE OR NO FINES COARSE GRAINED MCSE THAN Sox M I.P l r ,! SOILS GOAD TA FRACTION GRAVELS �; r i,� GM an GRAVELS GRAVEL-SANG-SILT EETAINER ON fI NO. • SIEVE FINES �I • P,:•WOE TN" MIXTURES II2 N[3C:‘...\\ CLAYEY GRAVELS GRAVEL-SANO-cur MIXTURESGC l� SAND CLEAN WCLL-GRADCO SANDS, GRAVELLY LIDS, AND SAND SW UIILL OR NO FINES SORE TNAN 50% SANDY Of MATERIAL IS SOILS URGE THAN (LSS T NO. 200 SIEVE SITE SSZ NES S P POORLY-GRADED SANDS. GRAVELLY J SANDS. LITTLE OR NO FINES r - LESS THAN soy.OF SANDS A COARSE FRACTION .::j-. : :• S M SILTY SANDS SAND-SILT MIXTURES WITH MAIM OH FINES \. •T i NO. 4 SIEVE OR THAN t 12S iWE5) \�`�' \' S C Curt" SANDS. SAND-CLAY NI%TURES \ ' I i r INORGANIC SILTS AND VERY FINE SANDS MI ROCS FLOUR. SNIT OR CLAYEY FINE L SANDS OR CLAYEY SILTS WITH SLIGHT SILTS I11 l i. PLASTICITY \�\N\ \\ INORGANIC CLAYS OF LOW TO MEDIUM GRAINED AND LIQUID uMrt L_Er,SS THAN SOS \ \ \ \ CL 'humor. GRAVELLY CLAYS, SANDY SOILS CUTS SILTY CLAYS. LEAN CLAYS CLAYS O L ORGANIC SILTS AND ORGANIC SILTY CLAYS OF LOW PLASTICITY INORGANIC SILTS MICACEOUS OR I LIE I M H �TOMACEOUS FINE SAND OR SILTY MORE THAN 502 SILTS OF WIEMAL IS 3A4S8 THAN WWITHAN N S C H INORGANIC CLAYS OR HIGH PUSTptt. M0. 200 SIEVE SIT IA�RE E AND TN SOS FAT GUYS CLAYS O H ORGANIC CLAYS OF MEDIUM TO HIGH PLASTICITY. ORGANIC SILTS HIGHLY ORGANIC SOILS - - _, P T PUT, HUMUS, SWAMP SOILS WITH NIGH ORGANIC CONTENTS NOR MK SNOOLS ARE USED TO INDICATE RURDERUNE SON.CLASSDYAIIONS. CUPS ONE ROCK TYPES L.: '•' ' " ..L.J TITLE SOIL AND ROCK tes CLASSIFICATION CHART Denver, Colorado CLIENT/PROJECT DRAWN OPH DATE JUNE 1992 JOB NO. 923-2403 WASTE SERVICES CORPORATION CHECKED JAC SCALE NOT TO SCALE DWG NO./REV. N0. 2407CLAS.DWC CENTRAL WELD SANITARY LANDFILL REVIEWED WEH FILE NO. FIGURE NO. • Probe No. so-1 r� LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY 0 Survey Coords: Northing: 372744.47 ft. Elevation Ground Level 4815.40 ft. NGVD Fasting: 2191475.35 ft. Top of PVC Casing 4816.73 ft. NGVD Drilling Summary: Construction Time log: Start Finish L Total Depth 29.0 ft. Task Date Time Date Time Borehole Diameter 7.25 in. Drilling -5 - Casing Stickup Height 1.33 ft. auger 3/11192 1500 3/11/92 1700 Driller Drilling Engineers Rick Rogers _ Geophys.Logging N/A WA N/A NIA - - f- Rig CME-55 Casing: 3/12192 0700 3/12/92 0715 - - • • Bit(s) Hollow Stem Auger _ -10 - - - - Drilling Fluid none _ Filter Placement: 3112192 0730 3/12/02 0745 - • - Protective Casing 5' anodized aluminum Cementing: 3/12/92 0746 3/12/92 0530 15 - • Probe Design &Specifications - --,Basis: Geologic Log X Geophysical Log -J Casing string(s): C= Casing S=Screen Comments Depth String(s) Elevation T'. + 1.33 - 6.0 Cl 4816.73 - 4809.40 -20 6.0 - 26.0 S1 4809.40 - 4789.40 -25 -, - Casing: C1 1" diameter Sch.40 PVC • - - -• - flush threaded wl o-rings Screen: S1 1" Sch. 40 PVC flush threaded w/o-rings -30 0.010" Machine Slot Filter Pack: 1/4" Pea gravel(29.0'-4.0') 16/40 Filter Sand(4.0'-3.0') -35 Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 Ale Name 2403SG1 931061 Probe No. SG-2 II LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY Survey Coords: Northing: 372240.29 ft. Elevation Ground Level 4793.87 ft. NGVD 0 Easting: 2191478.41 ft. Top of PVC Casing 4794.90 ft. NGVD • Drilling Summary: Construction Time log: Stan Finish . . Total Depth 29.0 ft. Task Date Time Date Time Borehole Diameter 7.25 in. Drilling 5 ""= Casing Stickup Height 1.03 ft. auger 112/92 0916 3112/12 1030 Driller Drilling Engineers _ — - Rick Rogers Geophys.Logging NM N/A NIA N/A - Rig CME-55 Casing: W12/92 1130 3/12/92 11.6 - Bit(s) Hollow Stem Auger 10 _ — • .•.-- Drilling Fluid none — Filter Placement: 3/12192 1145 3/12192 1200 - Protective Casing 5' anodized aluminum Cementing: 3/12192 1200 3112/92 1230 5 - - Probe Design & Specifications _ _ _• ,Basis: Geologic Log X Geophysical Log — ~ Casing string(s): C- Casing S= Screen Comments - — Depth String(s) Elevation — • ' J + 1.03 - 6.0 C1 4794.90 - 4787.87 20 = — 6.0 - 26.0 S1 4787.87 - 4767.87 -25 , -,Casing: C1 1" diameter Sch.40 PVC flush threaded w/o-rings Screen: S1 1" Sch. 40 PVC flush threaded w/o-rings -30 0.010" Machine Slot Filter Pack: 1/4" Pea gravel(29.0'-4.0') 16/40 Filter Sand(4.0'-3.0') -35 Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 2403S62 931061 Probe No. SG-3 LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY -0 Survey Coords: Northing: 371750.47 ft. Elevation Ground Level 4770.87 ft. NGVD Fasting: 2191471.80 N. Top of PVC Casing 4773.33 ft.NGVD Drilling Summary: Construction lime log: Start Finish Total Depth 16.0 ft. Task Date Time Date Time Borehole Diameter 7.25 in. Drilling -5 : Casing Stickup Height 2.46 ft. auger 3112/92 1400 3112/92 1530 Driller Drilling Engineers _ — - - Rick Rogers - Geophys.Logging WA NIA Nu N/A Rig CME-55 Casing: 3/+2192 1530 3/12192 1545 Bit(s) Hollow Stem Auger -t0 = - - - Drilling Fluid none - - Filter Placement: 3/1v92 1509 3/12192 1530 Protective Casing 5' anodized aluminum Cementing: 3/12192 lax 3/12/92 1715 5 • Probe Design &Specifications Basis: Geologic Log X Geophysical Log Casing string(s): C= Casing S= Screen Comments Depth String(s) Elevation + 2.46 - 6.0 C1 4773.33 - 4764.87 6.0 - 14.0 S1 4764.87 - 4756.87 -25 Casing: C1 1" diameter Sch.40 PVC flush threaded w/0-rings Screen: S1 1" Sch. 40 PVC flush threaded w/o-rings -30 0.010" Machine Slot Alter Pack: 1/4" Pea gravel(16.0'-4.0') 16/40 Filter Sand(4.0'-3.0') -35 Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') • -40 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 2403S63 931064 1 Probe No. SG-4 r---I LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY -o Survey Coords: Northing: 371391.53 ft. Elevation Ground Level 4766.15 ft. NGVD Easting: 2191773.56 K. Top of PVC Casing 4767.55 ft. NGVD iir Drilling Summary: Construction Time log: Start Finish Total Depth 16.0 ft. Task Date Time Date Time Borehole Diameter 7.25 in. Drilling -5 ---A Casing Stickup Height 1.40 ft. auger 3113/92 0715 3/13592 0900 - - Driller Drilling Engineers - _ Rick Rogers — .: Geophys.Logging NSA N/A NSA NIA _ • Rig CME-55 Casing: 3513192 0900 3513/92 0915 = •• . Bit(s) Hollow Stem Auger -10 •• _ • Drilling Fluid none - .. Filter Placement: 3113/92 0915 3/13/92 0930 - : Protective Casing 5' anodized aluminum Cementing: 3/13/92 0930 3113192 1000 -15 • • • • Probe Design &Specifications • Basis:Geologic Log X Geophysical Log Casing string(s): C- Casing S- Screen Comments Depth J String(s) Elevation + 1.40 - 6.0 Cl 4767.55 - 4760.15 -20 6.0 - 14.0 S1 4760.15 - 4752.15 -25 Casing: Cl 1" diameter Sch.40 PVC flush threaded WI o-rings Screen: S1 1" Sch. 40 PVC flush threaded w/o-rings -30 0.010" Machine Slot Filter Pack:1/4" Pea gravel(16.0'-4.0') 16/40 Filter Sand(4.0'-3.0') -35 Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 2403SG4 9310641 Probe No. sG-s rl LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY Survey Coords: Northing: 371013.36 ft. Elevation Ground Level 4759.73 ft. NGVD Fasting: 2192128.05 ft. Top of PVC Casing 4761.72 ft. NGVD Drilling Summary: Construction Time log: = Start Finish Total Depth 10.0 ft. Task Date Time Date Time — Borehole Diameter 7.25 in. Drilling _ _ _ _ -5 _ Casing Stickup Height 1.99 ft. auger 3113/02 1230 3113/92 1300 Driller Drilling Engineers _ _ _ _ Rick Rogers _ Geophys.Logging N/A N/A N/A N/A Rig CME-55 Casing: 3113/92 1300 3113/92 1319 Bit(s) Hollow Stem Auger _ _ 0 Drilling Fluid none _ _ Filter Placement: 3113192 1315 3113/92 1330 Protective Casing 5' anodized aluminum Cementing: 3113/92 1330 3/13/92 1400 -15 Probe Design & Specifications Basis: Geologic Log X Geophysical Log Casing string(s): C = Casing S= Screen Comments Depth String(s) I Elevation + 1.99 - 2.0 Cl 4761.72 - 4757.73 I-20 2.0 - 8.0 S1 4757.73 - 4751.73 -25 Casing: C1 1" diameter Sch.40 PVC flush threaded w/0-rings Screen: S1 1" Sch. 40 PVC flush threaded w/o-rings -30 0.010" Machine Slot Filter Pack: 1/4" Pea gravel(10.0'-2.0') -35 Surface Seal: Concrete(1.5'-0.0') Bentonite Seal: Bentonite chips(2.0'-1.5') -40 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 2403S65 931061 r Probe No. SG-6 LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY -0 Survey Coords: Northing: 370655.28 ft. Elevation Ground Level 4755.09 ft. NGVD Fasting: 2192423.07 ft. Top of PVC Casing 4756.37 ft. NGVD Drilling Summary: Construction Time log: Start Finish Total Depth 19.0 ft. Task Date Time Date Time Borehole Diameter 7.25 in. Drilling _ _ _ _ -5 Casing Stickup Height 1.28 ft. auger 3/13/92 1400 3/13192 1446 Driller Drilling Engineers _ Rick Rogers Geophys.Logging 1414 N/A N/A NIA - Rig CME-55 Casing: 3/13192 1445 3/13192 1500 = Bit(s) Hollow Stem Auger _ _ _ -10 Drilling Fluid none Filter Placement: 3113/92 1500 3113/92 1530 Protective Casing 5' anodized aluminum Cementing: 3113/92 1530 3113192 1600 -15 ' — Probe Design &Specifications _ _ _ Basis: Geologic Log X Geophysical Log i — Casing string(s): C= Casing S= Screen Comments • Depth String(s) Elevation + 1.28 - 6.0 C1 4758.37 - 4749.09 _ I-20 6.0 - 17.0 S1 4749.09 - 4738.09 -25 Casing: C1 1" diameter Sch.40 PVC flush threaded w/o-rings Screen: S1 1" Sch. 40 PVC flush threaded w/o-rings -30 0.010" Machine Slot Filter Pack: 1/4" Pea gravel(21.0'-4.0') 16/40 Filter Sand(4.0'-3.0') -35 Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 2403SG6 931061 Probe No. SG-7 r---I LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY Survey Coords: Northing: 370660.44 ft. Elevation Ground Level 4780.25 ft. NGVD -0 Easting: 2192916.57 It. Top of PVC Casing 4782.00 h. NGVD Drilling Summary: Construction Time log: Start Finish Total Depth 48.0 ft. Task Date Time Date lime _ = Borehole Diameter 7.25 in. Drilling _ — _ - -10 = _ Casing Stickup Height 1.75 ft. auger 3/16192 1100 3116192 1330 - Driller Drilling Engineers — — — — - Rick Rogers — - Geophys.Logging N/A N/A N/A NIA _ Rig CME-55 Casing: 3116192 1330 3116192 1345 Bit(s) Hollow Stem Auger — -20 = - - - Drilling Fluid none — _ Filter Placement: 3116/92 1345 3/16/92 1415 _ Protective Casing 5' anodized aluminum Cementing: 3/16/92 1415 3116192 1500 -30 = • Probe Design &Specifications Basis: Geologic Log X Geophysical Log _ Casing string(s): C= Casing S= Screen Comments [:- Depth String(s) I Elevation + 1.75 - 6.0 Cl 4782.00 - 4774.25 _, -40 - - 6.0 - 36.0 S1 4774.25 - 4744.25 -50 Casing: Cl 1" diameter Sch.40 PVC flush threaded w/o-rings Screen: S1 1" Sch. 40 PVC flush threaded w/0-rings -60 0.010" Machine Slot Filter Pack: 1/4" Pea gravel(48.0'-4.0') 16/40 Filter Sand(4.0'-3.0') -70 Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') I -80 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 Ale Name 24035G7 931064 Probe No. SG-8 LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY Survey Coords: Northing: 370872.80 ft. Elevation Ground Level 4791.90 ft. NGVD 0 Fasting: 2193414.15 ft. Top of PVC Casing 4793.12 ft. NGVD Drilling Summary: Construction Time log: Start Finish Total Depth 34.0 ft. Task Date Time Date Time Borehole Diameter 8.25 in. Drilling _ _ _ _ -5 — Casing Stickup Height 1.22 ft. auger 3/231192 1000 3123/92 1130 — - Driller Drilling Engineers - _ Rick Rogers Geophys.Logging N/A N/A N/A NIA . Rig CME-55 Casing: 3/23192 1130 3123192 nos - - Bit(s) Hollow Stem Auger _ -_ _ -10 — - - - - Drilling Fluid none - Filter Placement: 3/ 3/92 1145 3123/92 1215 • — • - Protective Casing 5' anodized aluminum Cementing: 3/23192 1216 3/23192 1230 Probe Design & Specifications _ _ 15 `! — . - -.Basis: Geologic Log X Geophysical Log — — Casing string(s): C= Casing S= Screen Comments —_ — Depth String(s) I Elevation + 1.22 - 6.0 Cl 4793.12 - 4785.90 ,_20 - :. H 6.0 - 32.0 S1 4785.90 - 4759.90 -25 — : _i .Casing: Cl 1" diameter Sch.40 PVC - flush.threaded w/o-rings -,Screen: S1 1" SCh. 40 PVC flush threaded w/o-rings 0.010" Machine Slot -. Filter Pack: 1/4" Pea gravel(34.0'-4.0') - 16/40 Filter Sand(4.0'-3.0') -35 Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: Not to Scale Supervised by .1.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 2403SG8 931064 1 Probe No. sn-9 I LANDFILL GAS Boring No. X-Ref:I ill: MONITORING PROBE CONSTRUCTION SUMMARY Survey Coords: Northing: 370688.01 It. Elevation Ground Level 4759.27 ft. NGVD Fasting: 2193887.48 ft. Top of PVC Casing 4760.55 ft. NGVD Drilling Summary: Construction Time log: Start Finish Total Depth 33.0 ft. Task Date Time Date Time • Borehole Diameter 8.25 in. Drilling _ - _ 5 Casing Stickup Height 1.28 ft. auger 3/25192 1000 3/25/92 1146 Driller Drilling Engineers _ — _ Rick Rogers - Geophys.Logging N/A N/A N/A N/A Rig CME-55 Casing: 3/25/92 1200 3/25/92 1215 — ' Bit(s) Hollow Stem Auger _ _ _ _ Drilling Fluid none _ - Filter Placement: 3125/92 1215 3/25/92 1240 - . Protective Casing 5' anodized aluminum Cementing: 3125/92 1240 3/25192 1300 15 - E Probe Design &Specifications _ - • — Basis: Geologic Log X Geophysical Log — Casing string(s): C= Casing S=Screen Comments Depth String(s) Elevation — + 1.28 - 6.0 C1 4760.55 - 4753.27 20 - 6.0 - 31.0 S1 4753.27 - 4728.27 25 —_ : Casing: C1 1" diameter Sch.40 PVC flush threaded w/o-rings —_ . Screen: S1 1" Sch. 40 PVC flush threaded w/o-rings 30 — 0.010" Machine Slot Filter Pack:1/4" Pea gravel(33.0'-4.0') 16/40 Filter Sand(4.0'-3.0') -35 Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: Not to Scale Supervised by J.Cremeens Site Central weld Sanitary Landfill Job Number 913-2403 File Name 2403SO9 '? Probe No. SG-10 r LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY 0 Survey Coords: Northing: 371188.36 it. Elevation Ground Level 4792.20 ft. NGVD jIli: Easting: 2193897.75 It. Top of PVC Casing 4793.36 ft.NGVD Drilling Summary: Construction Time log: Start Finish -- Total Depth 48.0 ft. Task Date Time Date Time - Borehole Diameter 8.25 in. Drilling -10 : = - Casing Stickup Height 1.16 ft. auger 3/30/92 1616 126192 1630 - Driller Drilling Engineers _ _ _ _ - Rick Rogers — - Geophys.Logging N/A N/A Nu N/A - Rig CME-55 Casing: 3/211192 1630 3126/92 1700 - Bit(s) Hollow Stem Auger -20 - 2 — - H. Drilling Fluid none _ . - Filter Placement: 3/26/92 1700 3/26/92 1730 — Protective Casing 5' anodized aluminum Cementing: 126/92 1730 3/26/92 1830 -30 • - l Probe Design &Specifications - - Basis: Geologic Log X Geophysical Log — — Casing string(s): C= Casing S= Screen Comments — - Depth String(s) Elevation -, r; _ t 1.16 - 6.0 Cl 4793.36 - 4786.20 -40 - - 6.0 - 46.0 S1 4786.20 - 4746.20 • -50 Casing: Cl 1" diameter Sch.40 PVC flush threaded w/o-rings Screen: S1 1" Sch. 40 PVC flush threaded w/o-rings -60 0.010" Machine Slot . Filter Pack: 1/4" Pea gravel(48.0'-4.0') 16/40 Filter Sand(4.0'-3.0') -70 Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -80 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 24035G10 ,-1. /� S�.3106* Probe No. SG-12 i--1 LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY -0 jri____ Survey Coords: Northing: 371952.87 ft. Elevation Ground Level 4796.98 ft. NGVO Easting: 2194040.82 ft. Top of PVC Casing 4798.43 ft. NGVD • Drilling Summary: Construction Time log: Start Finish •--->e Total Depth 33.0 ft. Task Date Time Date Time Borehole Diameter 8.25 in. Drilling -5 - Casing Stickup Height 1.45 ft. auger S/26192 1700 3125/02 14:6 — Driller Drilling Engineers - - - Rick Rogers - Geophys.Logging N/A NIA NIA NIA - _— Rig CME-55 Casing: 3/26182 1616 3126182 lean • - •— Bit(s) Hollow Stem Auger -10 - - — Drilling Fluid none - — - Filter Placement: 3/25192 1630 3/25192 1545 • — . - Protective Casing 5' anodized aluminum Cementing: 3/251n 1645 3/25192 1900 `i 5 :::• -- -_ Probe Design &Specifications — Basis: Geologic Log X Geophysical Log - — Casing string(s): C = Casing S= Screen Comments : -_ Depth I String(s) Elevation - -_ + 1.45 - 6.0 C1 4798.43 - 4790.98 -20 - -_ 6.0 - 31.0 Si 4790.98 - 4765.98 . - .J -25 • - Casing: C1 1" diameter Sch.40 PVC •• - - flush threaded w/o-rings - Screen: S1 1" Sch. 40 PVC - - flush threaded WI o-rings • -30 : - - 0.010" Machine Slot Alter Pack: 1/4" Pea gravel(33.0'-4.0') - 16/40 Filter Sand(4.0'-3.0') -35 Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 2403SG12 9310t6A Probe No. SG-13 1---i LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY Survey Coords: Northing: 371945.58 ft. Elevation Ground Level 4805.63 ft. NGVD -0 Fasting: 2193544.40 ft. Top of PVC Casing '806.59 ft. NGVD Drilling Summary: Construction Time log: Start Finish Total Depth 33.0 ft. Task Date Time Date Time Borehole Diameter 8.25 in. Drilling -_ _ -5 --'77 Casing Stickup Height 0.96 ft. auger 1126/92 0816 3128/92 1000 Driller Drilling Engineers _ _ _ _ - Rick Rogers - Geophys.Logging N/A N/A WA N/A _ Rig CME-55 Casing: 3126/92 1048 3126192 1100 - ' Bit(s) Hollow Stem Auger _____ _ _ 0 - Drilling Fluid none - - Filter Placement: 3/26/92 1100 3/26/92 1130 - Protective Casing 5' anodized aluminum Cementing: 3120)92 1130 3/26/92 1160 5 ' _ _ Probe Design & Specifications - - Basis: Geologic Log X Geophysical Log - Casing string(s): C- Casing S= Screen Comments -_— Depth String(s) Elevation _ - i . 0.96 - 6.0 Cl 4806.59 - 4799.83 -. ^20 - _ - -i 6.0 - 31.0 Si 4799.63 - 4774.63 -25 : Casing: Cl1" diameter Sch.40 PVC _ - flush threaded w/o-rings - 'Screen: S1 1" Sch. 40 PVC — •_ _ flush threaded w/o-rings -30 . — -. 0.010" Machine Slot -. Filter Pack:1/4" Pea gravel(33.0'-4.0') 16/40 Filter Sand(4.0'-3.0') -35 Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Jab Number 913-2403 File Name 24035G13 t(>lC4 r 93 .ti Probe No. SG-14 LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY -0 Survey Coords: Northing: 371506.76 ft. Elevation Ground Level 4803.04 ft. NGVD Fasting: 2193616.98 ft. Top of PVC Casing 4804.06 ft.NGVD Drilling Summary: Construction Time log: Start Finish Total Depth 38.0 ft. Task Date Time Date Time Borehole Diameter 8.25 in. Drilling -5 Casing Stickup Height 1.02 ft. auger 3427/92 0915 3127/92 1230 .. - Driller Drilling Engineers _ - • Rick Rogers - Geophys.Logging NIA NIA N/A NIA - Rig CME-55 Casing: 327/92 1200 3127/92 1215 Bit(s) Hollow Stem Auger _ -10 = • - Drilling Fluid none Filter Placement: 3427/92 1216 3/21(92 1230 - Protective Casing 5' anodized aluminum Cementing: 3/27192 1230 3/27192 1245 = • -_ Probe Design & Specifications - 5 __Basis: Geologic Log X Geophysical Log !� - - — Casing string(s): C s Casing S=Screen Comments -_ Depth String(s) Elevation . 1.02 - 6.0 Cl 4804.06 - 4797.04 -20 - -_ 6.0 - 36.0 S1 4797.04 - 4767.04 -25 - _- Casing: C1 1" diameter Sch.40 PVC flush threaded w/o-rings Screen: S1 1" Sch. 40 PVC flush threaded w/o-rings -30 H — - 0.010" Machine Slot — -- Filter Pack: 1/4" Pea gravel(38.0'-4.0') _ — 16/40 Filter Sand (4.0'-3.0') _35 = Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 2403SO14 3 Probe No. so-is r— I LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY -0 Survey Coords: Northing: 371328.82 ft. Elevation Ground Level 4793.26 ft. NGVD Fasting: 2193606.24 ft. Top of PVC Casing 4794.83 ft. NGVD Drilling Summary: Construction Time log: Start Finish Total Depth 33.0 ft. Task Date Time Date Time Borehole Diameter 8.25 in. Drilling _ _ _ -5 - Casing Stickup Height 1.57 ft. auger x/26/92 1200 3128/92 1400 Driller Drilling Engineers — Rick Rogers Geophys.Logging N/A NIA N/A NIA . - - Rig CME-55 Casing: 3/28/92 1400 3126/92 1115 - - Bit(s) Hollow Stem Auger -10 - - - Drilling Fluid none - Filter Placement: 3126192 1430 3/26/92 1446 — — Protective Casing 5' anodized aluminum Cementing: 3/26/92 1446 3126192 Isis 15 — • - Probe Design &Specifications _ - • Basis:Geologic Log X Geophysical Log - — Casing string(s): C= Casing S= Screen Comments - — Depth String(s) I Elevation - + 1.57 - 6.0 C1 4794.83 - 4787.26 -20 = 6.0 - 31.0 S1 4787.26 - 4762.26 -25 . Casing: Cl 1" diameter Sch.40 PVC :I flush threaded w/o-rings .•-_Screen: S1 1" Sch. 40 PVC flush threaded w/o-rings -30 _ 0.010" Machine Slot -. Filter Pack: 1/4" Pea gravel(33.0'-4.0') — 16/40 Filter Sand(4.0'-3.0') -35 Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: • Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 24035G15 3 Probe No. SG-16 r LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY -0 Survey Coords: Northing: 371947.19 ft. Elevation Ground Level 4818.76 ft. NGVD Easting: 2192982.09 ft. Top of PVC Casing 4820.28 ft. NGVO • Drilling Summary: Construction Time log: Start Finish Total Depth 38.0 ft. Task Date Time Date Time Borehole Diameter 7.25 in. Drilling _ _ _ -5 Casing Stickup Height 1.52 ft. auger Wi7/22 +tae 917N2 1400 Driller Drilling Engineers _ _ Rick Rogers Geophys.Logging NIA WA N/A N/A - Rig CME-55 Casing: 917/92 1400 9171921415 — 7 Bit(s) Hollow Stem Auger -10 :. - - - Drilling Fluid none — Filter Placement: 3/17192 1415 917/92 1430 - Protective Casing 5' anodized aluminum Cementing: 3117/92 1430 3/17/92 1509 = Probe Design &Specifications -t5 :: — • Basis: Geologic Log X Geophysical Log Casing string(s): C- Casing S= Screen Comments • __ Depth String(s) Elevation —_ + 1.52 - 6.0 Cl 4820.28 - 4812.76 . x-20 • - - 6.0 - 36.0 51 4812.78 - 4782.78 -25 . - Casing: C1 1" diameter Sch.40 PVC flush threaded w/o-rings -_Screen: S1 1" SCh. 40 PVC Hush threaded w/o-rings 30 is - 0.010" Machine Slot . Filter Pack: 1/4" Pea gravel(38.0'-4.0') - - 16/40 Filter Sand(4.0'-3.0') -35 - Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 24033G16 931064 Probe No. so-17 r LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY -0 Survey Coords: Northing: 372272.54 It Elevation Ground Level 4821.85 ft. NGVD Easting: 2192769.98 ft. Top of PVC Casing 4823.45 It. NGVD Drilling Summary: Construction Time log: Start Finish Total Depth 38.0 ft. Task Date Time Date Time Borehole Diameter 7.25 in. Drilling _ _ _ -5 Casing Stickup Height 1.60 ft. auger(0.0'-33.0') 3116192 1000 3/16192 1730 Driller Drilling Engineers auger(33.0'-38.01 3/17/92 1030 3117/92 1116 Rick Rogers - - Geophys.Logging WA NIA NM N/A • - Rig CME-55 Casing: 3/,7192 IllS 3/17192 1130 Bit(s) Hollow Stem Auger -10 — — — — Drilling Fluid none — Filter Placement: 3/17/92 1130 3/17/92 105 Protective Casing 5' anodized aluminum Cementing: 3/17192 1146 3117192 1215 t 5 Probe Design &Specifications — Basis: Geologic Log X Geophysical Log Casing string(s): C= Casing S=Screen Comments .— Depth String(s) Elevation i + 1.60 - 6.0 Cl 4823.45 - 4815.85 H2O — • — 6.0 - 36.0 S1 4815.85 - 4785.85 -25 - - Casing: C1 1" diameter Sch.40 PVC — - flush threaded w/o-rings • —- • -,Screen: S1 1" Sch.4a PVC flush threaded w/o-rings -30 — 0.010" Machine Slot -. Filter Pack: 1/4" Pea gravel(38.0'-4.0') - • • _- 16/40 Filter Sand(4.0'-3.0') -35 — Surface Seal: Concrete(2.0'-0.0') • - Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 24035017 921O64 1 I----IProbe No. SG-18 LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY 0 Survey Coords: Northing: 372882.59 ft. Elevation Ground Level 4827.56 ft. NGVD j I _ Fasting: 2192788.01 R. Top of PVC Casing 4829.20 ft. NGVO Drilling Summary: Construction Time log: Start Finish Total Depth 38.0 ft. Task Date Time Date Time : : • Borehole Diameter 7.25 in. Drilling -5 .. : : : Casing Stickup Height 1.64 ft. auger 3117192 0745 3117192 0945 — :• • • Driller Drilling Engineers — • • • Rick Rogers - Geophys.Logging NIA N111 NIA NIA - I• • Rig CME-55 Casing: 3117192 0945 3117192 '000 - 1: Bit(s) Hollow Stem Auger -10 = — • DDrilling Fluid none — • Filter Placement: 3/17/92 1000 3117192 1015 - • Protective Casing 5' anodized aluminum Cementing: 3117192 1ois 3/17/92 1030 -15 - •. • • -: Probe Design &Specifications - `.Basis:Geologic Log X Geophysical Log Casing string(s): C=Casing S- Screen Comments Depth String(s) f Elevation -j + 1.64 - 6.0 Cl 4829.20 - 4821.58 r20 ' 6.0 - 36.0 S1 4821.58 - 4791.58 -25 - Casing: C1 1" diameter Sch.40 PVC flush threaded w/o-rings - • Screen: S1 1' Sch.40 PVC _ flush threaded w/o-rings -30 : - _ 0.010" Machine Slot - Filter Pack: 1/4" Pea gravel(38.0'-4.0') = 16/40 Filter Sand(4.0'-3.0') -35 — — Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: Not to Scale supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 2403SG18 3�,y0y, a ,1 Probe No. SG-19 LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY 0 Survey Coords: Northing: 373248.01 ft. Elevation Ground Level 4835.94 ft. NGVD Fasting: 2192772.74 n. Top of PVC Casing 4837.58 ft. NGVD Drilling Summary: Construction lime log: Start Finish Ti Total Depth 38.0 ft. Task Date Time Date Time Borehole Diameter 8.25 in. Drilling _ -5 Casing Stickup Height 1.64 ft. auger 3/22/92 1430 3/23/92 1730 Driller Drilling Engineers Rick Rogers _ Geophys.Logging N/A N/A N/A N/A Rig CME-55 Casing: 3/23/92 1730 3/23/92 1750 Bit(s) Hollow Stem Auger _ -10 = - Drilling Fluid none • Filter Placement: 3/23/92 1750 3123/92 1825 Protective Casing 5' anodized aluminum Cementing: 3/23/92 1925 3/23/92 1545 15 = Probe Design &Specifications Basis: Geologic Log X Geophysical Log Casing string(s): C= Casing S = Screen Comments Depth String(s) Elevation --lil + 1.64 - 6.0 Cl 4837.58 - 4829.94 -20 — 6.0 - 36.0 St 4829.94 - 4799.94 -25 - - Casing: C1 1" diameter Sch.40 PVC — flush threaded w/o-rings Screen: S1 1" Sch. 40 PVC flush threaded w/o-rings -30 _ 0.010" Machine Slot — .•- Filter Pact 1/4" Pea gravel(38.0'-4.0') _ - — 16/40 Filter Sand (4.0'-3.C') _35 _ -• - Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') —40 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 Ale Name 2403SG19 931105' Probe No. so-20 LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY _0 Survey Coords: Northing: 373239.88 ft. Elevation Ground Level 4827.16 ft. NGVD Fasting: 2192267.81 ft. Top of PVC Casing 4828.79 ft. NGVD Drilling Summary: Construction Time log: Start Finish Total Depth 33.0 ft. Task Oate Time Date Time Borehole Diameter 8.25 in. Drilling 5 Casing Stickup Height 1.63 ft. auger 3124192 074a 3/24192 1000 Driller Drilling Engineers _ — Rick Rogers _ Geophys.Logging N/A N/A N/A NIA Rig CME-55 Casing: 3/24/92 1945 3/24192 1100 • Bit(s) Hollow Stem Auger -10I. - i Drilling Fluid none — Filter Placement: 3/24192 Ina 3/24192 1130 • - : - Protective Casing 5' anodized aluminum Cementing: 3124/92 1130 3/24/92 1145 5 _ : Probe Design &Specifications -1 - : Basis: Geologic Log X Geophysical Log Casing string(s): C= Casing S=Screen Comments L Depth String(s) Elevation '_ + 1.63 - 6.0 Cl 4828.79 - 4821.16 -20 •.- 6.0 - 31.0 Sl 4821.16 - 4796.16•-25 . _ = Casing: C1 1" diameter Sch.40 PVC • - - flush threaded w/o-rings Screen: S1 1" Sch.40 PVC - . - - flush threaded w/o-rings -30 - : 0.010" Machine Slot Filter Pack: 1/4" Pea gravel(33.0'-4.0') 16/40 Filter Sand(4.0'-3.0') -35 Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: • Not to Scale • Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 24038G20 93106t r� Probe No. SG-21 • LANDFILL GAS Boring No. X-Ref: MONITORING PROBE CONSTRUCTION SUMMARY Survey Coords: Northing: 373235.37 ft. Elevation Ground Level 4829.81 ft. NGVD Fasting: 2191525.07 ft. Top of PVC Casing 4831.20 ft. NGVD Drilling Summary: Construction Time log: Start Finish Total Depth 33.0 ft. Task Date Time Date Time Borehole Diameter 8.25 in. Drilling -5 • Casing Stickup Height 1.39 ft. auger 9124192 1219 YlV@ 1430 • Driller Drilling Engineers _ — Rick Rogers Geophys.Logging N/A NIA NIA N/A Rig CME-55 Casing: 3124/92 1430 3/24/92 1444 Bit(s) Hollow Stem Auger -10 -I - - — Drilling Fluid none _ - Filter Placement: 3124194 1445 312092 1500 - Protective Casing 5' anodized aluminum Cementing: 3124192 1500 3/24/92 1515 -15 ' = Probe Design & Specifications - Basis: Geologic Log X Geophysical Log Casing string(s): C= Casing S=Screen Comments Depth String(s) Elevation — + 1.39 - 6.0 C1 4831.20 - 4823.81 _ -20 --I 6.0 - 21.0 S1 4823.81 - 4808.81 21.0 - 30.0 S2 4808.81 - 4799.81 -25 — Casing: C1 1" diameter Sch.40 PVC - flush threaded w/o-rings - Screen: S1 1' Sch.40 PVC,flush threaded w/o-rings — 0.010'Machine Slot -30 S2 1' Sch.40 PVC,flush threaded wl o—ringe • 0.020'Machine Slot 44 •4 . • Filter Pack: 1/4" Pea gravel(33.0'-4.0') 16/40 Filter Sand(4.0'-3.0') -35 Surface Seal: Concrete(2.0'-0.0') Bentonite Seal: Bentonite chips(3.0'-2.0') -40 Comments: Not to Scale Supervised by J.Cremeens Site Central Weld Sanitary Landfill Job Number 913-2403 File Name 24035O21 ti, � ,� MN �• Kt40,2, ')fiXy> 5�, yt.tii!t '+ SL-; ,1A 1 �h� �� t ,rry�y n7 :, .M.,_.�y "r Y.:;... 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Client ID: GWMW13 Lab ID: 021825-0002-SA Matrix: AQUEOUS Sampled: 25 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: 31 MAR 92 Analyzed: 06 APR 92 Reporting Parameter Result Units Limit Acetone ND ug/L 10 Benzene ND ug/L 5.0 8romodichloromethane ND ug/L 5.0 Bromoform ND ug/L 5.0 Bromomethane ND ug/L 10 2-Butanone (MEK) ND ug/L 10 Carbon disulfide ND ug/L 5.0 Carbon tetrachloride ND ug/L 5.0 Chlorobenzene ND ug/L 5.0 Chloroethane ND ug/L 10 Chloroform ND ug/L 5.0 Chloromethane ND ug/L 10 Dibromochloromethane ND ug/L 5.0 1,1-Dichloroethane ND ug/L 5.0 1,2-Dichloroethane ND ug/L 5.0 1,1-Dichioroethene NO ug/L 5.0 1,2-Dichioroethene (total ) ND ug/L 5.0 1,2-Dichloroppropane ND ug/L 5.0 cis-1,3-Dichloropropene ND ug/L 5.0 trans-1,3-Dichloropropene ND ug/L 5.0 Ethylbenzene ND ug/L 5.0 2-Hexanone ND ug/L 10 Methylene chloride ND ug/L 5.0 4-Methyl -2-pentanone (MIBK) ND ug/L 10 Styrene ND ug/L 5.0 1,1,2,2-Tetrachloroethane ND ug/L 5.0 Tetrachloroethene ND ug/L 5.0 Toluene ND ug/L 5.0 1,1,1-Trichloroethane ND ug/L 5.0 1,1,2-Trichloroethane ND ug/L 5.0 Trichloroethene ND ug/L 5.0 Vinyl acetate ND ug/L 10 Vinyl chloride ND ug/L 10 Xylenes (total ) ND ug/L 5.0 Surrogate Recovery Toluene-d8 102 % 4-8romofluorobenzene 93 % (continued on following page) ND - Not detected NA = Not applicable Reported By: Scott McPhail Approved By: Karen Kuiken 931061 Enseco Volatile Organics AComing Company Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: GWMW13 Lab ID: 021825-0002-SA Matrix:. AQUEOUS Sampled: 25 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: 31 MAR 92 Analyzed: 06 APR 92 Surrogate Recovery 1,2-Dichloroethane-d4 91 X ND = Not detected NA = Not applicable Reported By: Scott McPhail Approved.By: Karen Kuiken 931061 Enseco Chlorinated Pesticides and PCB's AConana Company Target Compound List (TCL) Method 8080 Client Name: Waste Management of North America, Inc. Client ID: GWMW13 Lab ID: 021825-0002-SA Matrix:. AQUEOUS Sampled: 25 MAR 92 Received: 27 MAR 92 I Authorized: 27 MAR 92 Prepared: 31 MAR 92 Analyzed: 08 APR 92 Reporting Parameter Result Units Limit gamma-BHC (Lindane) ND ug/L 0.050 Endrin ND ug/L 0.10 Methoxychlor ND ug/L 0.50 Toxaphene ND ug/L 5.0 Surrogate Recovery Dibutyl chlorendate 95 7. r ND = Not detected NA Not applicable Reported By: Lue Lor Approved. By: Karen Kuiken 931061 Enseco RCRA Herbicides rcomm6comwny Method 8150 Client Name: Waste Management of North America, Inc. Client ID: GWMW13 Lab ID: 021825-0002-SA Matrix:. AQUEOUS Sampled: 25 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: 30 MAR 92 Analyzed: 13 APR 92 Reporting Parameter Result Units Limit 2,4-0 ND ug/L 12 2,4,5-TP (Silvex) ND ug/L 1.7 Surrogate Recovery DCAA 88 • • ND = Not detected NA a Not applicable Reported By: Lue Lor Approved .By: Karen Kuiken 931061 Enseco Metals A Connn Company Dissolved Metals Client Name: Waste Management of North America, Inc. Client ID: GWMW13 Lab ID: 021825-0002-SA Matrix:. AQUEOUS Sampled: 25 MAR 92 Received: 27 MAR 92 f Authorized: 27 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date • Arsenic ND mg/L 0.010 7060 NA 06 APR 92 Barium 0.026 mg/L 0.010 6010 NA 02 APR 92 Cadmium ND mg/L 0.0050 6010 NA 02 APR 92 Calcium 387 mg/L 0.20 6010 NA 02 APR 92 Chromium ND mg/L 0.010 6010 NA 02 APR 92 Iron ND mg/L 0.10 6010 NA 02 APR 92 Lead ND mg/L 0.010 7421 NA 06 APR 92 Magnesium 268 mg/L 0.20 6010 NA 02 APR 92 Manganese 0.38 mg/L 0.010 6010 NA 02 APR 92 Mercury ND mg/L 0.00020 7470 30 MAR 92 31 MAR 92 Potassium 12.6 mg/L 5.0 6010 NA 02 APR 92 Selenium ND mg/L 0.050 7740 NA 08 APR 92 Silver ND mg/L 0.010 6010 NA 02 APR 92 Sodium 136 mg/L 5.0 6010 NA 02 APR 92 I ND = Not detected NA = Not applicable Reported By: Sandra Jones Approved..By: Will Pratt 931061 General Inorganics n. Client Name: Waste Management of North America, Inc. Client ID: GWMW13 Lab ID: 021825-0002-SA Matrix: AQUEOUS Sampled: 25 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Alkalinity, Bicarb. as CaCO3 at pH 4.5 214 mg/L 5.0 310.1 NA 27 MAR 92 Alkalinity, Garb. as CaCO3 at pH 8.3 NO mg/L 5.0 310.1 NA 27 MAR 92 Chloride 10.6 mg/L 3.0 300.0 NA 27 MAR 92 Ammonia as N 0.58 mg/L 0.10 350.1 NA 30 MAR 92 Nitrate as N 0.11 mg/L 0.10 300.0 NA 27 MAR 92 Sulfate 2090 mg/L 25.0 300.0 NA 27 MAR 92 NO = Not detected NA = Not applicable Reported By: Steve Pope Approved By: Blake Besser 931061 Radiochemistry - C�Y Client Name: Waste Management of North America, Inc. Client ID: GWMW13 Lab ID: 021825-0002-SA Matrix: AQUEOUS Sampled: 25 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result _ Units Limit Method Date Date Gross Alpha 16 pCi/L +/- 22 900.0 NA 09 APR 92 Radium 226 0.9 pCi/L +/- 0.6 705 Modified NA 14 APR 92 Gross Beta 33 pCi/L +/- 22 900.0 NA 09 APR 92 Radium 228 2.1 pCi/L +/- 1.7 EPA Specified NA 09 APR 92 • ND = Not detected NA = Not applicable Reported By: Ramona Power Approved By: Blake Besser t 931061 Enseco Volatile Organics ACorm !Company Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: GWMW8 Lab ID: 021837-0003-SA Matrix: AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: 31 MAR 92 Analyzed: 09 APR 92 Surrogate Recovery 1,2-Dichloroethane-d4 101 i -. ND = Not detected NA - Not applicable Reported By: Stephanie Boehnke Approved- By: Karen Kuiken 931061 Enseco Chlorinated Pesticides and PCB's AConnngCompnv Target Compound List (TCL) Method 8080 Client Name: Waste Management of North America, Inc. Client ID: GWMW8 Lab ID: 021837-0003-SA Matrix: AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: 31 MAR 92 Analyzed: 08 APR 92 Reporting Parameter Result Units Limit gamma-BHC (Lindane) ND ND ug/L L 0.050 Endrin Methoxychlor ND ug/L 0.50 Toxaphene ND ug/L 5.0 Surrogate Recovery Dibutyl chlorendate 85 % NO = Not detected NA = Not applicable Reported By: Lue Lor Approved .By: Karen Kuiken 931061 Enseco RCRA Herbicides "c°""""c""'°'"" Method 8150 Client Name: Waste Management of North America, Inc. Client ID: GWMW-8 Lab ID: 022450-0003-SA Matrix: AQUEOUS Sampled: 27 APR 92 Received: 29 APR 92 Authorized: 29 APR 92 Prepared: 01 MAY 92 Analyzed: 08 MAY 92 Reporting Parameter Result Units Limit 2,4-D ND ug/L 12 2,4,5-TP (Silvex) ND ug/L 1.7 Surrogate Recovery °CAA 89 9. NO = Not detected NA = Not applicable Reported By: Susan McCool Approved. By: Karen Kuiken 931061 Enseco Metals AGmmgCompa 1, Dissolved Metals Client Name: Waste Management of North America, Inc. Client ID: 6WMW8 Lab ID: 021837-0003-SA Matrix: AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Arsenic ND mg/L 0.010 7060 NA 06 APR 92 Barium 0.013 mg/L 0.010 6010 NA 02 APR 92 Cadmium ND mg/L 0.0050 6010 NA 02 APR 92 Calcium 447 mg/L 0.20 6010 NA 02 APR 92 Chromium ND mg/L 0.010 6010 NA 02 APR 92 Iron ND mg/L 0.10 6010 NA 02 APR 92 Lead ND mg/L 0.050 7421 NA 06 APR 92 Magnesium 639 mg/L 0.20 6010 NA 02 APR 92 Manganese 1.7 mg/L 0.010 6010 NA 02 APR 92 Mercury ND mg/L 0.00020 7470 30 MAR 92 31 MAR 92 Potassium 11.2 mg/L 5.0 6010 NA 02 APR 92 Selenium ND mg/L 0.050 7740 NA 08 APR 92 Silver ND mg/L 0.010 6010 NA 02 APR 92 Sodium 250 mg/L 5.0 6010 NA 02 APR 92 ND = Not detected NA - Not applicable i Reported By: Sandra Jones Approved By: Sandra Jones 931061 eco General Inorganics A E� Client Name: Waste Management of North America, Inc. Client ID: GWMW8 Lab ID: 021837-0003-SA Matrix: . AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Alkalinity, Bicarb. as CaC03 at pH 4.5 336 mg/L 5.0 310.1 NA 28 MAR 92 Alkalinity, Carb. as CaC03 at pH 8.3 ND mg/L 5.0 310.1 NA 28 MAR 92 Chloride 37. 1 mg/L 3.0 300.0 NA 28 MAR 92 Ammonia as N ND mg/L 0.10 350.1 NA 30 MAR 92 Nitrate as N 7.4 mg/L 0.10 300.0 NA 28 MAR 92 Sulfate 3920 mg/L 50.0 300.0 NA 28 MAR 92 ND = Not detected NA . Not applicable Reported By: Steve Pope Approved .By: Blake Besser i— 931061 Enseco Radiochemistry A Comm&Company Client Name: Waste Management of North America, Inc. Client ID: GWMW8 Lab ID: 021837-0003-SA Matrix:. AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Radium 226 0.4 pCi/L +-0.5) 705 Modified NA 14 APR 92 Gross Alpha 38 pCi/L +-36 900.0 NA 14 APR 92 Gross Beta 71 pCi/L +-40; 900.0 NA 14 APR 92 Radium 228 1.0 pCi/L +-1.4) EPA Specified NA 16 APR 92 ND a Not detected NA = Not applicable Reported By: Ramona Power Approved..By: Roxanne Sullivan 931061 EnsecO Volatile Organics ACanungcmnp,ny Target Compound List (TCL) .. Method 8240 Client Name: Waste Management of North America, Inc. Client ID: GWMW9 Lab ID: 021920-0002-SA Matrix: AQUEOUS Sampled: 31 MAR 92 Received: 01 APR 92 Authorized: 01 APR 92 Prepared: 07 APR 92 Analyzed: 14 APR 92 Reporting Parameter Result Units Limit Acetone ND ug/L 10 Benzene ND ug/L 5.0 Bromodichloromethane ND ug/L 5.0 Bromoform ND ug/L 5.0 Bromomethane ND ug/L 10 2-Butanone (MEK) ND ug/L 10 Carbon disulfide ND ug/L 5.0 Carbon tetrachloride ND ug/L 5.0 Chlorobenzene ND ug/L 5.0 Chloroethane ND ug/L 10 Chloroform ND ug/L 5.0 Chloromethane ND ug/L 10 Dibromochloromethane ND ug/L 5.0 1 ,1-Dichloroethane ND ug/L 5.0 1,2-Dichloroethane ND ug/L 5.0 1,1-Dichloroethene ND ug/L 5.0 1,2-Dichloroethene (total ) ND ug/L 5.0 1,2-Dichloropropane ND ug/L 5.0 cis-1 ,3-Dichloropropene ND ug/L 5.0 trans-1,3-Dichloropropene ND ug/L 5.0 Ethylbenzene ND ug/L 5.0 2-Hexanone ND ug/L 10 Methylene chloride ND ug/L 5.0 4-Methyl -2-pentanone (MIRK) ND ug/L 10 Styrene ND ug/L 5.0 1,1,2,2-Tetrachloroethane ND ug/L 5.0 Tetrachloroethene ND ug/L 5.0 Toluene ND ug/L 5.0 1,1,1-Trichloroethane ND ug/L 5.0 1,1,2-Trichloroethane ND ug/L 5.0 Trichloroethene ND ug/L 5.0 Vinyl acetate ND ug/L 10 Vinyl chloride ND ug/L 10 Xylenes (total ) ND ug/L 5.0 Surrogate Recovery Toluene-d8 101 % 4-Bromofluorobenzene 93 % (continued on following page) ND = Not detected NA = Not applicable Reported By: Stephanie Boehnke Approved By: Dave Roberts 931061 Enseco Volatile Organics "�^ ^g ^wn• Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: GWMW9 Lab ID: 021920-0002-SA Matrix: AQUEOUS Sampled: 31 MAR 92 Received: 01 APR 92 Authorized: 01 APR 92 Prepared: 07 APR 92 Analyzed: 14 APR 92 Surrogate Recovery 1,2-Dichloroethane-d4 100 % ND = Not detected NA = Not applicable Reported By: Stephanie Boehnke Approved..By: Dave Roberts 931061 Enseco Chlorinated Pesticides and PCB's AComing Company Target Compound List (TCL) Method 8080 Client Name: Waste Management of North America, Inc. Client ID: GWMW9 Lab ID: 021920-0002-SA Matrix: AQUEOUS Sampled: 31 MAR 92 Received: 01 APR 92 Authorized: 01 APR 92 Prepared: 06 APR 92 Analyzed: 14 APR 92 Reporting Parameter Result Units Limit gamma-BHC (Lindane) ND ug/L 0.050 Endrin ND ug/L 0.10 Methoxychlor ND ug/L 0.50 Toxaphene ND ug/L 5.0 Surrogate Recovery Dibutyl chlorendate 73 Yo ND - Not detected NA a Not applicable Reported By: •Lue Lor Approved By: Karen Kuiken 931061 Enseco RCRA Herbicides Method 8150 Client Name: Waste Management of North America, Inc. Client ID: GWMW9 Lab ID: 021920-0002-SA Matrix: AQUEOUS Sampled: 31 MAR 92 Received: 01 APR 92 Authorized: 01 APR 92 Prepared: 06 APR 92 Analyzed: 13 APR 92 Reporting Parameter Result Units Limit 2,4-0 ND ug/L 12 2,4,5-TP (Silvex) ND ug/L 1.7 Surrogate Recovery DCAA 86 % ND = Not detected NA = Not applicable Reported By: Lue Lor Approved..By: Karen Kuiken 931061 Enseco Metals AConmgCompanv Dissolved Metals Client Name: Waste Management of North America, Inc. Client ID: GWMW9 Lab ID: 021920-0002-SA Matrix: AQUEOUS Sampled: 31 MAR 92 Received: 01 APR 92 I Authorized: 01 APR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Arsenic ND mg/L 0.0050 7060 NA 10 APR 92 Barium ND mg/L 0.010 6010 NA 07 APR 92 Cadmium ND mg/L 0.0050 6010 NA 07 APR 92 Calcium 374 mg/L 0.20 6010 NA 07 APR 92 Chromium ND mg/L 0.010 6010 NA 07 APR 92 Iron NO mg/L 0.10 6010 NA 07 APR 92 Lead ND mg/L 0.050 7421 NA 10 APR 92 Magnesium 302 mg/L 0.20 6010 NA 07 APR 92 Manganese 0.25 mg/L 0.010 6010 NA 07 APR 92 Mercury ND mg/L 0.00020 7470 03 APR 92 05 APR 92 Potassium 9.4 mg/L 5.0 6010 NA 07 APR 92 Selenium ND mg/L 0.050 7740 NA 13 APR 92 Silver ND mg/L 0.010 6010 NA 07 APR 92 Sodium 187 mg/L 5.0 6010 NA 07 APR 92 ND a Not detected NA = Not applicable Reported By: Will Pratt Approved By: Debra Hosford 931061 Enseco General Inorganics A CJmo.g Company Client Name: Waste Management of North America, Inc. Client ID: GWMW9 Lab ID: 021920-0002-SA Matrix: AQUEOUS Sampled: 31 MAR 92 Received: 01 APR 92 Authorized: 01 APR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Alkalinity, Bicarb. as CaCO3 at pH 4.5 402 mg/L 5.0 310.1 NA 01 APR 92 Alkalinity, Carb. as CaCO3 at pH 8.3 ND mg/L 5.0 310.1 NA 01 APR 92 Chloride 15.4 mg/L 3.0 300.0 NA 03 APR 92 Ammonia as N 0.28 mg/L 0.10 350.1 NA 06 APR 92 Nitrate as N ND mg/L 0.10 300.0 NA 03 APR 92 Sulfate 2130 mg/L 50.0 300.0 NA 03 APR 92 ND = Not detected NA = Not applicable Reported By: Steve Pope Approved By: Blake Besser 931061 Enseco Radiochemistry A Corning Company Client Name: Waste Management of North America, Inc. Client ID: GWMW9 Lab ID: 021920-0002-SA Matrix: AQUEOUS Sampled: 31 MAR 92 Received: 01 APR 92 Authorized: 01 APR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Radium 226 2.1 pCi/L +-1.1) 705 Modified NA 14 APR 92 Gross Alpha 41 pCi/L +-24) 900.0 NA 14 APR 92 Gross Beta 25 pCi/L +-20) 900.0 NA 14 APR 92 Radium 228 2.7 pCi/L +-1.4) EPA Specified NA 16 APR 92 ND a Not detected NA = Not applicable Reported By: Roxanne Sullivan Approved By: Roxanne Sullivan 931061 Volatile OrganicsFCuLSOn, Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: 6WMW10 Lab ID: 021782-0002-SA Matrix: AQUEOUS Sampled: 25 MAR 92 Received: 25 MAR 92 Authorized: 25 MAR 92 Prepared: 26 MAR 92 Analyzed: 06 APR 92 Reporting Parameter Result Units Limit Acetone ND ug/L 10 Benzene ND ug/L 5.0 Bromodichloromethane ND ug/L 5.0 Bromoform ND ug/L 5.0 Bromomethane ND ug/L 10 2-Butanone (MEK) ND ug/L 10 Carbon disulfide NO ug/L 5.0 Carbon tetrachloride ND ug/L 5.0 Chlorobenzene ND ug/L 5.0 Chloroethane ND ug/L 10 Chloroform ND ug/L 5.0 Chloromethane ND ug/L 10 Dibromochloromethane ND ug/L 5.0 1 ,1-Dichloroethane ND ug/L 5.0 1,2-Dichloroethane ND ug/L 5.0 1,1-Dichloroethene ND ug/L 5.0 1,2-Dichloroethene (total ) ND ug/L 5.0 1,2-Dichloropropane ND ug/L 5.0 cis-1,3-Dichloropropene ND ug/L 5.0 trans-1,3-Dichloropropene ND ug/L 5.0 Ethylbenzene ND ug/L 5.0 2-Hexanone ND ug/L 10 Methylene chloride ND ug/L 5.0 4-Methyl -2-pentanone (MIBK) ND ug/L 10 Styrene ND ug/L 5.0 1,1,2,2-Tetrachloroethane ND ug/L 5.0 Tetrachloroethene ND ug/L 5.0 Toluene ND ug/L 5.0 1,1,1-Trichloroethane ND ug/L 5.0 1,1,2-Trichloroethane ND ug/L 5.0 Trichloroethene ND ug/L 5.0 Vinyl acetate ND ug/L 10 Vinyl chloride ND ug/L 10 Xylenes (total ) ND ug/L 5.0 Surrogate Recovery Toluene-d8 100 % 4-Bromofluorobenzene 93 % (continued on following page) ND = Not detected NA = Not applicable Reported By: Scott McPhail Approved' By: Karen Kuiken 931061 Volatile OrganicsFnS$CO Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: GWMW10 Lab ID: 021782-0002-SA Matrix: AQUEOUS Sampled: 25 MAR 92 Received: 25 MAR 92 Authorized: 25 MAR 92 Prepared: 26 MAR 92 Analyzed: 06 APR 92 Surrogate Recovery 1,2-Dichloroethane-d4 89 X ND a Not detected NA - Not applicable Reported By: Scott McPhail Approved By: Karen Kuiken 931061 Enseco Chlorinated Pesticides and PCB's ACwm^gcompa^y Target Compound List (TCL) Method 8080 Client Name: Waste Management of North America, Inc. Client ID: GWMW10 Lab ID: 021782-0002-SA Matrix: AQUEOUS Sampled: 25 MAR 92 Received: 25 MAR 92 Authorized: 25 MAR 92 Prepared: 31 MAR 92 Analyzed: 07 APR 92 Reporting Parameter Result Units Limit gamma-BHC (Lindane) ND ug/L 0.050 Endrin ND ug/L 0.10 Methoxychlor ND ug/L 0.50 Toxaphene ND ug/L 5.0 Surrogate Recovery Dibutyl chlorendate 71 ND = Not detected NA = Not applicable Reported By: Lue Lor Approved By: Karen Kuiken 931061 Enseco RCRA Herbicides AComing Company Method 8150 Client Name: Waste Management of North America, Inc. Client ID: GWMW10 Lab ID: 021782-0002-SA Matrix: AQUEOUS Sampled: 25 MAR 92 Received: 25 MAR 92 Authorized: 25 MAR 92 Prepared: 30 MAR 92 Analyzed: 13 APR 92 Reporting Parameter Result Units Limit 2,4-D ND ug/L 12 2,4,5-TP (Silvex) ND ug/L 1.7 Surrogate Recovery DCAA 61 ND = Not detected NA a Not applicable Reported By: Lue Lor Approved By: Karen Kuiken 931061 Metals �ec man. Dissolved Metals Client Name: Waste Management of North America, Inc. Client ID: GWMW10 Lab ID: 021782-0002-SA Matrix: AQUEOUS Sampled: 25 MAR 92 Received: 25 MAR 92 Authorized: 25 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Arsenic ND mg/L 0.010 7060 NA 06 APR 92 Barium 0.025 mg/L 0.010 6010 NA 02 APR 92 Cadmium ND mg/L 0.0050 6010 NA 02 APR 92 Calcium 432 mg/L 0.20 6010 NA 02 APR 92 Chromium ND mg/L 0.010 6010 NA 02 APR 92 Iron 0.27 mg/L 0.10 6010 NA 02 APR 92 Lead ND mg/L 0.010 7421 NA 06 APR 92 Magnesium 487 mg/L 0.20 6010 NA 02 APR 92 Manganese 0.37 mg/L 0.010 6010 NA 02 APR 92 Mercury ND mg/L 0.00020 7470 30 MAR 92 31 MAR 92 Potassium 17.6 mg/L 5.0 6010 NA 02 APR 92 Selenium ND mg/L 0.10 7740 NA 08 APR 92 Silver ND mg/L 0.010 6010 NA 02 APR 92 Sodium 150 mg/L 5.0 6010 NA 02 APR 92 ND = Not detected NA = Not applicable Reported By: Sandra Jones Approved .By: Sandra Jones 931061 Enseco General Inorganics A CurnagCompany Client Name: Waste Management of North America, Inc. Client ID: GWMWIO Lab ID: 021782-0002-SA Matrix: AQUEOUS Sampled: 25 MAR 92 Received: 25 MAR 92 Authorized: 25 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Alkalinity, Bicarb. as CaCO3 at pH 4.5 934 mg/L 5.0 310.1 NA 26 MAR 92 Alkalinity, Carb. as CaCO3 at pH 8.3 ND mg/L 5.0 310.1 NA 26 MAR 92 Chloride 22.6 mg/L 3.0 300.0 NA 26 MAR 92 Ammonia as N 0.69 mg/L 0.10 350.1 NA 30 MAR 92 Nitrate as N 0.11 mg/L 0.10 300.0 NA 26 MAR 92 Sulfate 2890 mg/L 50.0 300.0 NA 26 MAR 92 ND = Not detected NA = Not applicable Reported By: Steve Pope Approved By: Blake Sesser 931061 Enseco Radiochemistry A c,mmg Company :tient Name: Waste Management of North America, Inc. Client ID: GWMW10 Lab ID: 021782-0002-SA Matrix: AQUEOUS Sampled: 25 MAR 92 Received: 25 MAR 92 Authorized: 25 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Gross Alpha 49 pCi/L (+-34) 900.0 NA 07 APR 92 Radium 226 2.9 pCi/L (((+-1.0) 705 Modified NA 08 APR 92 Gross Beta 28 pCi/L +-32) 900.0 NA 07 APR 92 Radium 228 3.4 pCi/L +-1.5) EPA Specified NA 07 APR 92 NO = Not detected NA = Not applicable Reported By: Roxanne Sullivan Approved By: Roxanne Sullivan 931961 triselop Volatile Organics Coming nv Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: GWMW11 Lab ID: 021825-0007-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: 31 MAR 92 Analyzed: 06 APR 92 Reporting Parameter Result Units Limit Acetone ND ug/L 10 Benzene ND ug/L 5.0 Bromodichloromethane ND ug/L 5.0 Bromoform ND ug/L 5.0 Bromomethane ND ug/L 10 • 2-Butanone (MEK) ND ug/L 10 Carbon disulfide ND ug/L 5.0 Carbon tetrachloride ND ug/L 5.0 Chlorobenzene ND ug/L 5.0 Chloroethane ND ug/L 10 Chloroform ND ug/L 5.0 Chloromethane ND ug/l 10 Dibromochloromethane ND ug/L 5.0 1 , 1-Dichloroethane ND ug/L 5.0 1,2-Dichloroethane ND ug/L 5.0 1,1-Dichloroethene ND ug/L 5.0 1,2-Dichloroethene (total ) ND ug/L 5.0 r-. 1,2-Dichloropropane ND ug/L 5.0 cis-1,3-Dichloropropene ND ug/L 5.0 trans-1,3-Dichloropropene ND ug/L 5.0 r Ethylbenzene ND ug/L 5.0 2-Hexanone ND ug/L 10 Methylene chloride ND ug/L 5.0 4-Methyl -2-pentanone (MIBK) ND ug/L 10 Styrene ND ug/L 5.0 1,1,2,2-Tetrachloroethane ND ug/L 5.0 Tetrachloroethene ND ug/L 5.0 Toluene ND ug/L 5.0 1,1,1-Trichioroethane ND ug/L 5.0 1,1,2-Trichloroethane ND ug/L 5.0 Trichloroethene ND ug/L 5.0 Vinyl acetate ND ug/L 10 Vinyl chloride ND ug/L 10 Xylenes (total ) ND ug/L 5.0 Surrogate Recovery Toluene-d8 102 7. 4-Bromofluorobenzene 97 % (continued on following page) ND - Not detected NA = Not applicable Reported By: Scott McPhail Approved By: Karen Kuiken 931061 En Volatile Organics A seco Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: GWMW11 Lab ID: 021825-0007-SA Matrix:. AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: 31 MAR 92 Analyzed: 06 APR 92 ' Surrogate Recovery 1,2-Dichloroethane-d4 89 x ND Not detected NA a Not applicable Reported By: Scott McPhail Approved By: Karen Kuiken 931061 Chlorinated Pesticides and PCB's A� 0 Target Compound List (TCL) Method 8080 Client Name: Waste Management of North America, Inc. Client ID: GWMW11 Lab ID: 021825-0007-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 i Authorized: 27 MAR 92 Prepared: 31 MAR 92 Analyzed: 08 APR 92 Reporting Parameter Result Units Limit gamma-BHC (Lindane) ND ug/L 0.050 Endrin ND ug/L 0.10 Methoxychlor ND ug/L 0.50 Toxaphene ND ug/L 5.0 Surrogate Recovery Dibutyl chlorendate 92 • ND a Not detected NA = Not applicable Reported By: Lue Lor Approved By: Karen Kuiken j_ 931061 Enseco RCRA Herbicides AConrn Camwm' Method 8150 Client Name: Waste Management of North America, Inc. Client ID: GWMW11 Lab ID: 021825-0007-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: 30 MAR 92 Analyzed: 14 APR 92 Reporting Parameter Result Units Limit 2,4-0 ND ug/L 12 2,4,5-TP (Silvex) ND ug/L 1.7 Surrogate Recovery DCAA 77 7. • ND = Not detected j NA = Not applicable Reported By: Lue Lor Approved 6y: Karen Kuiken 931961 Enseco Metals ACanm6 Company Dissolved Metals Client Name: Waste Management of North America, Inc. Client ID: GWMW11 Lab ID: 021825-0007-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 i Authorized: 27 MAR 92 Prepared: See Below Analyzed: See Below I I Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Arsenic ND mg/L 0.0050 7060 NA 06 APR 92 Barium 0.014 mg/L 0.010 6010 NA 02 APR 92 Cadmium NO mg/L 0.0050 6010 NA 02 APR 92 Calcium 452 mg/L 0.20 6010 NA 02 APR 92 Chromium ND mg/L 0.010 6010 NA 02 APR 92 Iron 0.27 mg/L 0.10 6010 NA 02 APR 92 Lead ND mg/L 0.050 7421 NA 06 APR 92 Magnesium 473 mg/L 0.20 6010 NA 02 APR 92 Manganese 0.88 mg/L 0.010 6010 NA 02 APR 92 Mercury ND mg/L 0.00020 7470 30 MAR 92 31 MAR 92 Potassium 9.9 mg/L 5.0 6010 . NA 02 APR 92 Selenium ND mg/L 0.10 7740 NA 08 APR 92 Silver ND mg/L 0.010 6010 NA 02 APR 92 Sodium 280 mg/L 5.0 6010 NA 02 APR 92 I f • • ND = Not detected NA • Not applicable Reported By: Sandra Jones Approved By: Will Pratt 931061 Ensec General InorganicssCA� Client Name: Waste Management of North America, Inc. Client ID: GWMW11 Lab ID: 021825-0007-SA Matrix:. AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Alkalinity, Bicarb. as CaCO3 at pH 4.5 254 mg/L 5.0 310.1 NA 27 MAR 92 Alkalinity, Carb. as CaCO3 at pH 8.3 ND mg/L 5.0 310.1 NA 27 MAR 92 Chloride 25.7 mg/L 3.0 300.0 NA 27 MAR 92 Ammonia as N 0.49 mg/L 0.10 350.1 NA 30 MAR 92 Nitrate as N 0.14 mg/L 0.10 300.0 NA 27 MAR 92 Sulfate 3570 mg/L 50.0 300.0 NA 27 MAR 92 ND = Not detected NA a Not applicable Reported By: Steve Pope Approved By: Blake Besser _ 931061 Enseco Volatile Organics Ac ccemm,.v Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: GWMW14 Lab ID: 021825-0004-SA Matrix:. AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: 31 MAR 92 Analyzed: 06 APR 92 Reporting Parameter Result Units Limit Acetone ND ug/L 10 Benzene ND ug/L 5.0 Bromodichloromethane ND ug/L 5.0 Bromoform ND ug/L 5.0 Bromomethane ND ug/L 10 2-Butanone (MEK) ND ug/L 10 Carbon disulfide ND ug/L 5.0 Carbon tetrachloride ND ug/L 5.0 Chlorobenzene ND ug/L 5.0 Chloroethane ND ug/L 10 Chloroform ND ug/L 5.0 Chloromethane ND ug/L 10 Dibromochloromethane ND ug/L 5.0 1,1-Dichloroethane ND ug/L 5.0 1,2-Dichloroethane ND ug/L 5.0 1,1-Dichloroethene ND ug/L 5.0 1,2-Dichloroethene (total ) ND ug/L 5.0 1,2-Dichloropropane ND ug/L 5.0 cis-1,3-Oichloropropene ND ug/L 5.0 trans-1,3-Dichloropropene ND ug/L 5.0 Ethylbenzene ND ug/L 5.0 2-Hexanone ND ug/L 10 Methylene chloride ND ug/L 5.0 4-Methyl -2-pentanone (MIBK) ND ug/L 10 Styrene ND ug/L 5.0 1,1,2,2-Tetrachloroethane ND ug/L 5.0 Tetrachloroethene ND ug/L 5.0 Toluene ND ug/L 5.0 1,1,1-Trichloroethane ND ug/L 5.0 1,1,2-Trichloroethane ND ug/L 5.0 Trichloroethene • ND ug/L 5.0 - Vinyl acetate ND ug/L 10 Vinyl chloride ND ug/L 10 Xylenes (total ) ND ug/L 5.0 Surrogate Recovery Toluene-d8 101 % 4-Bromofluorobenzene 95 % (continued on following page) ND = Not detected NA = Not applicable Reported By: Scott McPhail Approved By: Karen Kuiken 931061 Enseco Volatile Organics C� Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: GWMW14 Lab ID: 021825-0004-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: 31 MAR 92 Analyzed: 06 APR 92 Surrogate Recovery 1,2-Dichloroethane-d4 95 i_. ND - Not detected NA - Not applicable Reported By: Scott McPhail Approved•By: Karen Kuiken 931061 Chlorinated Pesticides and PCB's C�.y Target Compound List (TCL) Method 8080 Client Name: Waste Management of North America, Inc. Client ID: GWMW14 ' Lab ID: 021825-0004-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: 31 MAR 92 Analyzed: 08 APR 92 Reporting Parameter Result Units Limit gamma-BHC (Lindane) ND ug/L 0.050 Endrin ND ug/L 0.10 Methoxychlor ND ug/L 0.50 Toxaphene ND ug/L 5.0 Surrogate Recovery Dibutyl chlorendate 95 9. • ND - Not detected NA = Not applicable Reported By: Lue Lor Approved .By: Karen Kuiken 931061 Enseco RCRA Herbicides Ac"'°"''o.p. Method 8150 Client Name: Waste Management of North America, Inc. Client ID: GWMW-14 Lab ID: 022450-0007-SA Matrix: AQUEOUS Sampled: 28 APR 92 Received: 29 APR 92 Authorized: 29 APR 92 Prepared: 01 MAY 92 Analyzed: 08 MAY 92 Reporting Parameter Result Units Limit 2,4-0 ND ug/L 12 2,4,5-TP (Silvex) ND ug/L 1.7 Surrogate Recovery DCAA 86 NO = Not detected NA = Not applicable Reported By: Susan McCool Approved By: Karen Kuiken 931061 Enseco Metals A Corning Company Dissolved Metals Client Name: Waste Management of North America, Inc. Client ID: GWMW14 Lab ID: 021825-0004-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 ! Authorized: 27 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Arsenic ND mg/L 0.010 7060 NA 06 APR 92 Barium ND mg/L 0.010 6010 NA 02 APR 92 Cadmium ND mg/L 0.0050 6010 NA 02 APR 92 Calcium 392 mg/L 0.20 6010 NA 02 APR 92 Chromium ND mg/L 0.010 6010 NA 02 APR 92 Iron 0.87 mg/L 0.10 6010 NA 02 APR 92 Lead ND mg/L 0.050 7421 NA 06 APR 92 Magnesium 339 mg/L 0.20 6010 NA 02 APR 92 Manganese 0.90 mg/L 0.010 6010 NA 02 APR 92 Mercury ND mg/L 0.00020 7470 30 MAR 92 31 MAR 92 Potassium 8.6 mg/L 5.0 6010 NA 02 APR 92 Selenium ND mg/L 0.10 7740 NA 08 APR 92 Silver ND mg/L 0.010 6010 NA 02 APR 92 Sodium 165 mg/L 5.0 6010 NA 02 APR 92 I I I ND = Not detected I NA = Not applicable Reported By: Sandra Jones Approved_8y: Will Pratt 931061 Enseco General Inorganics AComuieco". v Client Name: Waste Management of North America, Inc. Client ID: GWMW14 Lab ID: 021825-0004-SA Matrix: . AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Alkalinity, Bicarb. as CaC03 at pH 4.5 216 mg/L 5.0 310.1 NA 27 MAR 92 Alkalinity, Carb. as CaC03 at pH 8.3 ND mg/L 5.0 310.1 NA 27 MAR 92 Chloride 17.1 mg/L 3.0 300.0 NA 27 MAR 92 Ammonia as N 0.43 mg/L 0.10 350.1 NA 30 MAR 92 Nitrate as N 0.12 mg/L 0.10 300.0 NA 27 MAR 92 Sulfate 2990 mg/L 50.0 300.0 NA 27 MAR 92 ND = Not detected NA = Not applicable Reported By: Steve Pope Approved .By: Blake Besser 931061 EnsecO Radiochemistry A ^^s c=^w^v Client Name: Waste Management of North America, Inc. Client ID: GWMW14 ' Lab ID: 021825-0004-SA Matrix:. AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 I Authorized: 27 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Radium 226 1.1 pCi/L +/- 0.7 705 Modified NA 14 APR 92 Gross Alpha 11 pCi/L +/- 26 900.0 NA 09 APR 92 Gross Beta 17 pCi/L +/- 25 900.0 NA 09 APR 92 Radium 228 0.2 pCi/L +/- 1.2 EPA Specified NA 09 APR 92 i I NO = Not detected I NA = Not applicable Reported By: Ramona Power Approved By: Blake Besser 931061 Enseco Volatile Organics A Coming Company Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: N-Discharge Lab ID: 021837-0004-SA Matrix: AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 i Authorized: 28 MAR 92 Prepared: 31 MAR 92 Analyzed: 09 APR 92 Reporting Parameter Result Units Limit Acetone ND ug/L 10 Benzene ND ug/L 5.0 Bromodichloromethane ND ug/L 5.0 Bromoform ND ug/L 5.0 Bromomethane ND ug/L 10 2-Butanone (MEK) ND ND g 0.0/L 10 Carbon disulfide Carbon tetrachloride ND ug/L 5.0 Chlorobenzene ND ug/L 5.0 Chloroethane ND ug/L 10 Chloroform ND ug/L 5.0 Chloromethane ND ug/L 10 Dibromochloromethane ND ug/L 5.0 1, 1-Dichioroethane ND ug/L 5.0 1,2-Dichioroethane ND ug/L 5.0 1, 1-Dichloroethene ND ug/L 5.0 1,2-Dichloroethene ND ug/L 5.0 1,2-Dichloropropane ND ug/L 5.0 cis-1,3-Dichloropropene ND ug/L 5.0 trans-1,3-Dichloropropene NO ug/L 5.0 Ethylbenzene ND ug/L 5.0 2-Hexanone ND ug/L 10 Methylene chloride ND ug/L 5.0 4-Methyl -2-pentanone (MIBK) ND ug/L 10 Styrene NO ND ug/L 5.0 L 5.0 1, 1,2,2-Tetrachloroethane Tetrachloroethene NO ug/L 5.0 Toluene ND ug/L 5.0 1,1,1-Trichloroethane ND ug/L 5.0 1,1,2-Trichloroethane ND ug/L 5.0 Trichloroethene ND ug/L 5.0 Vinyl acetate NO ND ug/L 10 L 10 Vinyl chloride ND ug/L 5.0 Xylenes (total ) Surrogate Recovery Toluene-d8 106 % 4-Bromofluorobenzene 97 % (continued on following page) ND = Not detected NA = Not applicable • Reported By: Stephanie Boehnke Approved By: Karen Kuiken 931061 Enseco Volatile Organics A(.umuli Cmnw^v Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: N-Discharge Lab ID: 021837-0004-SA Matrix: AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: 31 MAR 92 Analyzed: 09 APR 92 Surrogate Recovery 1,2-Dichloroethane-d4 99 % • ND - Not detected NA = Not applicable Reported By: Stephanie Boehnke Approved By: Karen Kuiken 931061 Ensec Chlorinated Pesticides and PCB's A ComasG 0 ny Target Compound List (TCL) Method 8080 Client Name: Waste Management of North America, Inc. Client ID: N-Discharge Lab ID: 021837-0004-SA Matrix: AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: 31 MAR 92 Analyzed: 08 APR 92 Reporting Parameter Result Units Limit gamma-BHC (Lindane) ND ug/L 0.050 Endrin ND ug/L 0.10 Methoxychlor ND ug/L 0.50 Toxaphene ND ug/L 5.0 Surrogate Recovery Dibutyl chlorendate 88 7. ND = Not detected NA i Not applicable Reported By: Lue Lor Approved By: Karen Kuiken 931061 Enseco RCRA Herbicides ACommg Company Method 8150 Client Name: Waste Management of North America, Inc. Client ID: N-Discharge Lab ID: 021837-0004-SA Matrix: AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: 30 MAR 92 Analyzed: 13 APR 92 Reporting Parameter Result Units Limit 2,4-D ND ug/L 12 2,4,5-TP (Silvex) ND ug/L 1.7 Surrogate Recovery DCAA 92 ND = Not detected NA = Not applicable Reported By: tue Lor Approved By: Karen Kuiken 931061 Metals Enseco AGm.ma"," Total Metals Client Name: Waste Management of North America, Inc. Client ID: N-Discharge Lab ID: 021837-0004-SA Matrix:. AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Arsenic ND mg/L 0.010 7060 30 MAR 92 02 APR 92 Barium 0.016 mg/L 0.010 6010 30 MAR 92 31 MAR 92 Cadmium ND mg/L 0.0050 6010 30 MAR 92 31 MAR 92 Calcium 409 mg/L 0.20 6010 30 MAR 92 31 MAR 92 Chromium ND mg/L 0.010 6010 30 MAR 92 31 MAR 92 Iron 0.24 mg/L 0.10 6010 30 MAR 92 31 MAR 92 Lead ND mg/L 0.010 7421 30 MAR 92 02 APR 92 Magnesium 217 mg/L 0.20 6010 30 MAR 92 31 MAR 92 Manganese 0. 17 mg/L 0.010 6010 30 MAR 92 31 MAR 92 Mercury ND mg/L 0.00020 7470 30 MAR 92 31 MAR 92 Potassium ND mg/L 5.0 6010 30 MAR 92 31 MAR 92 Selenium ND mg/L 0.050 7740 30 MAR 92 01 APR 92 Silver ND mg/L 0.010 6010 30 MAR 92 31 MAR 92 Sodium 91 .3 mg/L 5.0 6010 30 MAR 92 31 MAR 92 i ND = Not detected NA = Not applicable Reported By: Sandra Jones Approved By: Sandra Jones 931061 Enseco General Inorganics A caning Camc,m• Client Name: Waste Management of North America, Inc. Client ID: N-Discharge Lab ID: 021837-0004-SA Matrix: AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 j Authorized: 28 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Alkalinity, Bicarb. as CaC03 at pH 4.5 338 mg/L 5.0 310.1 NA 28 MAR 92 Alkalinity, Garb. as CaC03 at pH 8.3 ND mg/L 5.0 310.1 NA 28 MAR 92 Chloride 33.3 mg/L 3.0 300.0 NA 28 MAR 92 Ammonia as N ND mg/L 0.10 350.1 NA 30 MAR 92 Nitrate as N 15.9 mg/L 0.10 300.0 NA 28 MAR 92 Sulfate 1720 mg/L 25.0 300.0 NA 28 MAR 92 • ND = Not detected NA = Not applicable Reported By: Steve Pope Approved. By: Blake Besser 931061 Enseco Radiochemistry A Comma Cumq+ny Client Name: Waste Management of North America, Inc. Client ID: N-Discharge Lab ID: 021837-0004-SA Matrix:. AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Gross Alpha 15 pCi/L (+-20) 900.0 NA 14 APR 92 Radium 226 0.0 pCi/L (((+-0.3) 705 Modified NA 14 APR 92 Gross Beta 14 pCi/L +-20) 900.0 NA 14 APR 92 Radium 228 0.3 pCi/L +-1.3) EPA Specified NA 16 APR 92 NO a Not detected NA - Not applicable Reported By: Ramona Power Approved. By: Roxanne Sullivan 931061 Volatile Organicson> Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: RP-Inlet Lab ID: 021837-0005-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: 31 MAR 92 Analyzed: 06 APR 92 Reporting Parameter Result Units Limit Acetone ND ug/L 10 Benzene ND ug/L 5.0 Bromodichloromethane ND ug/L 5.0 Bromoform ND ug/L 5.0 Bromomethane ND ug/L 10 2-Butanone (MEK) ND ug/L 10 Carbon disulfide ND ug/L 5.0 Carbon tetrachloride ND ug/L 5.0 Chlorobenzene ND ug/L 5.0 Chloroethane ND ug/L 10 Chloroform ND ug/L 5.0 Chloromethane ND ug/L 10 Dibromochioromethane ND ug/L 5.0 1 , 1-Dichloroethane ND ug/L 5.0 1,2-Dichloroethane ND ug/L 5.0 1,1-Dichloroethene ND ug/L 5.0 1 ,2-Dichloroethene (total ) ND ug/L 5.0 -- 1,2-Dichloropropane ND ug/L 5.0 cis-1,3-Dichloropropene ND ug/L 5.0 trans-1,3-Dichloropropene ND ug/L 5.0 Ethylbenzene ND ug/L 5.0 2-Hexanone ND ug/L 10 Methylene chloride ND ug/L 5.0 4-Methyl -2-pentanone (MIBK) ND ug/L 10 Styrene ND ug/L 5.0 1, 1,2,2-Tetrachloroethane ND ug/L 5.0 Tetrachloroethene ND ug/L 5.0 Toluene ND ug/L 5.0 1,1,1-Trichloroethane ND ug/L 5.0 1, 1,2-Trichloroethane ND ug/L 5.0 Trichloroethene ND ug/L 5.0 Vinyl acetate ND ug/L 10 Vinyl chloride ND ug/L 10 Xylenes (total ) ND ug/L 5.0 Surrogate Recovery Toluene-d8 103 7. 4-Bromofluorobenzene 94 % (continued on following page) NO = Not detected NA = Not applicable — Reported By: Scott McPhail Approved By: Karen Kuiken 931061 Enseco Volatile Organics - ACornins Company Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: RP-Inlet Lab ID: 021837-0005-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: 31 MAR 92 Analyzed: 06 APR 92 Surrogate Recovery 1,2-Dichloroethane-d4 93 % ND = Not detected NA = Not applicable Reported By: Scott McPhail Approved• By: Karen Kuiken 931061 Enseco Chlorinated Pesticides and PCBs A Comm%Companv Target Compound List (TCL) Method 8080 Client Name: Waste Management of North America, Inc. Client ID: RP-Inlet Lab ID: 021837-0005-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: 31 MAR 92 Analyzed: 08 APR 92 Reporting Parameter Result Units Limit gamma-BHC (Lindane) ND ug/L 0.050 Endrin ND ug/L 0.10 Methoxychlor ND ug/L 0.50 Toxaphene ND ug/L 5.0 Surrogate Recovery Dibutyl chlorendate 87 % ND = Not detected NA . Not applicable Reported By: Lue Lor Approved By: Karen Kuiken 931061 Enseco RCRA Herbicides ACommKG mganv Method 8150 Client Name: Waste Management of North America, Inc. Client ID: RP-Inlet • Lab ID: 022450-0005-SA Matrix: AQUEOUS Sampled: 27 APR 92 Received: 29 APR 92 Authorized: 29 APR 92 Prepared: 01 MAY 92 Analyzed: 08 MAY 92 Reporting Parameter Result Units Limit 2,4-0 ND ug/L 12 2,4,5-TP (Silvex) ND ug/L 1.7 Surrogate Recovery DCAA 83 z ND = Not detected NA a Not applicable Reported By: Susan McCool Approved By: Karen Kuiken 931061 Metals Enseco Total Metals Client Name: Waste Management of North America, Inc. Client ID: RP-Inlet Lab ID: 021837-0005-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Arsenic ND mg/L 0.010 7060 30 MAR 92 02 APR 92 Barium 0.032 mg/L 0.010 6010 30 MAR 92 31 MAR 92 Cadmium ND mg/L 0.0050 6010 30 MAR 92 31 MAR 92 Calcium 243 mg/L 0.20 6010 30 MAR 92 31 MAR 92 Chromium ND mg/L 0.010 6010 30 MAR 92 31 MAR 92 Iron 0.41 mg/L 0.10 6010 30 MAR 92 31 MAR 92 Lead ND mg/L 0.010 7421 30 MAR 92 02 APR 92 Magnesium 143 mg/L 0.20 6010 30 MAR 92 31 MAR 92 Manganese 0.044 mg/L 0.010 6010 30 MAR 92 31 MAR 92 Mercury ND mg/L 0.00020 7470 30 MAR 92 31 MAR 92 Potassium ND mg/L 5.0 6010 30 MAR 92 31 MAR 92 Selenium ND mg/L 0.020 7740 30 MAR 92 01 APR 92 Silver ND mg/L 0.010 6010 30 MAR 92 31 MAR 92 Sodium 102 mg/L 5.0 6010 30 MAR 92 31 MAR 92 ND = Not detected NA = Not applicable Reported By: Sandra Jones Approved. By: Sandra Jones 931061 Enseco General Inorganics - Acorn-sc.!. Client Name: Waste Management of North America, Inc. Client ID: RP-Inlet Lab ID: 021837-0005-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Alkalinity, Bicarb. as CaCO3 at pH 4.5 226 mg/L 5.0 310.1 NA 28 MAR 92 Alkalinity, Garb. as CaCO3 at pH 8.3 ND mg/L 5.0 310.1 NA 28 MAR 92 Chloride 23.0 mg/L 3.0 300.0 NA 28 MAR 92 Ammonia as N NO mg/L 0.10 350.1 NA 30 MAR 92 Nitrate as N 6.1 mg/L 0. 10 300.0 NA 28 MAR 92 Sulfate 1290 mg/L 25.0 300.0 NA 28 MAR 92 • ND = Not detected NA = Not applicable Reported By: Steve Pope Approved..By: Blake Besser 931061 Enseco Radiochemistry A Comets Company Client Name: Waste Management of North America, Inc. , Client ID: RP-Inlet Lab ID: 021837-0005-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Radium 226 0.3 pCi/L +-0.5) 705 Modified NA 14 APR 92 Gross Alpha 32 pCi/L +-16 900.0 NA 14 APR 92 Grass Beta 16 pCi/L +-12) 900.0 NA 14 APR 92 Radium 228 0.7 pCi/L +-1.4) EPA Specified NA 16 APR 92 ND = Not detected NA = Not applicable Reported By: Ramona Power Approved. By: Roxanne Sullivan 931061 eco Volatile Organics ��c�n, Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: LF-UD Lab ID: 021825-0005-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: 31 MAR 92 Analyzed: 06 APR 92 Reporting Parameter Result Units Limit Acetone ND ug/L 10 Benzene ND ug/L 5.0 Bromodichloromethane ND ug/L 5.0 Bromoform ND ug/L 5.0 Bromomethane ND ug/L 10 2-Butanone (MEK) ND ug/L 10 Carbon disulfide ND ug/L 5.0 Carbon tetrachloride ND ug/L 5.0 Chlorobenzene ND ug/L 5.0 Chloroethane ND ug/L 10 Chloroform ND ug/L 5.0 Chloromethane ND ug/L 10 Dibromochloromethane ND ug/L 5.0 1, 1-Dichloroethane 5.4 ug/L 5.0 1,2-Dichloroethane ND ug/L 5.0 1, 1-Dichloroethene ND ug/L 5.0 1,2-Dichloroethene (total ) ND ug/L 5.0 1,2-Dichloropropane ND ug/L 5.0 cis-1,3-Dichloropropene ND ug/L 5.0 trans-1,3-Dichloropropene ND ug/L 5.0 Ethyl benzene ND ug/L 5.0 Z-Hexanone ND ug/L 10 Methylene chloride ND ug/L 5.0 4-Methyl -2-pentanone (MIBK) ND ug/L 10 Styrene ND ug/L 5.0 1, 1,2,2-Tetrachloroethane ND ug/L 5.0 Tetrachloroethene 5.0 ug/L 5.0 Toluene ND ug/L 5.0 1,1,1-Trichloroethane ND ug/L 5.0 1,1,2-Trichloroethane ND ug/L 5.0 Trichloroethene ND ug/L 5.0 Vinyl acetate ND ug/L 10 Vinyl chloride ND ug/L 10 Xylenes (total ) ND ug/L 5.0 Surrogate Recovery Toluene-d8 101 % 4-Bromofluorobenzene 94 % (continued on following page) ND = Not detected NA o Not applicable Reported By: Scott McPhail Approved By: Karen Kuiken 931061 nsecVolatile Organics onv Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: LF-U0 Lab ID: 021825-0005-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: 31 MAR 92 Analyzed: 06 APR 92 Surrogate Recovery 1,2-Dichloroethane-d4 88 % f ND - Not detected NA a Not applicable Reported By: Scott McPhail Approved. By: Karen Kuiken • 931061 • Chlorinated Pesticides and PCB's �2C�ny Target Compound List (TCL) Method 8080 Client Name: Waste Management of North America, Inc. Client ID: LF-UD Lab ID: 021825-0005-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: 31 MAR 92 Analyzed: 08 APR 92 Reporting Parameter Result Units Limit gamma-BHC (Lindane) ND ug/L 0.050 Endrin ND ug/L 0.10 Methoxychlor ND ug/L 0.50 Toxaphene ND ug/L 5.0 Surrogate Recovery Dibutyl chlorendate 95 ND = Not detected NA = Not applicable Reported By: Lue Lor Approved By: Karen Kuiken 931061 Enseco RCRA Herbicides Method 8150 Client Name: Waste Management of North America, Inc. Client ID: Lf-UD Lab ID: 022450-0004-SA Matrix: AQUEOUS Sampled: 27 APR 92 Received: 29 APR 92 Authorized: 29 APR 92 Prepared: 01 MAY 92 Analyzed: 08 MAY 92 Reporting Parameter Result Units Limit 2,4-D ND ug/L 12 2,4,5-TP (Silvex) ND ug/L 1.7 Surrogate Recovery DCAA 96 ND = Not detected NA = Not applicable Reported By: Susan McCool Approved By: Karen Kuiken 931061 Enseco Metals wcngc w Total Metals Client Name: Waste Management of North America, Inc. Client ID: LF-UD Lab ID: 021825-0005-SA Matrix:. AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Arsenic ND mg/L 0.010 7060 30 MAR 92 02 APR 92 Barium 0.010 mg/L 0.010 6010 30 MAR 92 31 MAR 92 Cadmium ND mg/L 0.0050 6010 30 MAR 92 31 MAR 92 Calcium 432 mg/L 0.20 6010 30 MAR 92 31 MAR 92 Chromium NO mg/L 0.010 6010 30 MAR 92 31 MAR 92 Iron 0.26 mg/L 0.10 6010 30 MAR 92 31 MAR 92 Lead ND mg/L 0.010 7421 30 MAR 92 02 APR 92 Magnesium 292 mg/L 0.20 6010 30 MAR 92 31 MAR 92 Manganese 1.5 mg/L 0.010 6010 30 MAR 92 31 MAR 92 Mercury ND mg/L 0.00020 7470 30 MAR 92 31 MAR 92 Potassium ND mg/L 5.0 6010 30 MAR 92 31 MAR 92 Selenium ND mg/L 0.050 7740 30 MAR 92 01 APR 92 Silver ND mg/L 0.010 6010 30 MAR 92 31 MAR 92 Sodium 258 mg/L 5.0 6010 30 MAR 92 31 MAR 92 ND = Not detected NA = Not applicable Reported By: Sandra Jones Approved. By: Sandra Jones 931061 Enseco General Inorganics Client Name: Waste Management of North America, Inc. Client ID: LF-UD Lab ID: 021825-0005-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 I Authorized: 27 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Alkalinity, Bicarb. as CaCO3 at pH 4.5 532 mg/L 5.0 310.1 NA 27 MAR 92 Alkalinity, Carb. as CaCO3 at pH 8.3 ND mg/L 5.0 310.1 NA 27 MAR 92 Chloride 39.0 mg/L 3.0 300.0 NA 27 MAR 92 Ammonia as N ND mg/L 0.10 350.1 NA 30 MAR 92 Nitrate as N 2.8 mg/L 0. 10 300.0 NA 27 MAR 92 Sulfate 2320 mg/L 50.0 300.0 NA 27 MAR 92 • ND - Not detected NA • Not applicable Reported By: Steve Pope Approved_By: Blake Besser 931061 Radiochemistry AAC Coining n. Client Name: Waste Management of North America, Inc. Client ID: LF-UD Lab ID: 021825-0005-SA Matrix: AQUEOUS Sampled: 26 MAR 92 Received: 27 MAR 92 Authorized: 27 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Gross Alpha 40 pCi/L +/- 26 900.0 NA 09 APR 92 Radium 226 0.1 pCi/L +/- 0.4 705 Modified NA 14 APR 92 Gross Beta 18 pCi/L +/- 22 900.0 NA 09 APR 92 Radium 228 0.9 pCi/L +/- 2.4 EPA Specified NA 09 APR 92 • ND = Not detected NA = Not applicable _ Reported By: Ramona Power Approved By: Blake Besser 931061 Enseco Volatile Organics ACCTO$Conway Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: EB Lab ID: 021837-0006-EB Matrix: AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: 29 MAR 92 Analyzed: 09 APR 92 Reporting Parameter Result Units Limit Acetone ND u L 10 Benzene ND ug/L 5.0 Bromodichloromethane ND ug/L 5.0 Bromoform ND ug/L 5.0 Bromomethane ND ND ug/L 10 L 10 2-Butanone (MEK) Carbon disulfide NO ug/L 5.0 Carbon tetrachloride ND ug/L 5.0 Chlorobenzene ND ug/L 5.0 Chloroethane NO ug/L 10 Chloroform ND ug/L 5.0 Chloromethane ND ug/L 10 Dibromochloromethane ND ug/L 5.0 1, 1-Dichloroethane ND ug/L 5.0 1,2-Dichloroethane ND ug/L 5.0 1, 1-Dichloroethene ND ug/L 5.0 1,2-Dichloroethene ND ug/L 9/L 5.0 1,2-Dichloropropane ND . ug/L 5.0 cis-1,3-Dichloropropene ND ug/L 5.0 trans-1,3-Dichloropropene ND ug/L 5.0 Ethylbenzene ND ug/L 5.0 2-Hexanone ND ug/L 10 Methylene chloride ND ug/L 5.0 4-Methyl -2-pentanone (MIBK) ND ND ug/L L 10 Styrene 5.0 1, 1,2,2-Tetrachloroethane ND ug/L 5.0 Tetrachloroethene NO ug/L 5.0 . Toluene ND ug/L 5.0 1, 1,1-Trichloroethane ND ug/L 5.0 1,1,2-Trichloroethane ND ug/L 5.0 Trichloroethene ND NO ug/L L 10 5.0 Vinyl acetate Vinyl chloride ND ug/L 10 Xylenes (total ) NO ug/L 5.0 Surrogate Recovery Toluene-d8 105 4-Bromofluorobenzene 94 % (continued on following page) ND = Not detected NA = Not applicable Reported By: Stephanie Boehnke Approved By: Karen Kuiken 931061 Enseco Volatile Organics A Cement Company Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: EB Lab ID: 021837-0006-EB Matrix: AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: 29 MAR 92 Analyzed: 09 APR 92 Surrogate Recovery 1,2-Dichloroethane-d4 100 NO = Not detected NA = Not applicable Reported By: Stephanie Boehnke Approved By: Karen Kuiken 931061 Chlorinated Pesticides and PCB's �eC�nv Target Compound List (TCL) Method 8080 Client Name: Waste Management of North America, Inc. Client ID: EB Lab ID: 021837-0006-EB Matrix: AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: 31 MAR 92 Analyzed: 08 APR 92 Reporting Parameter Result Units Limit gamma-BHC (Lindane) ND ug/L 0.050 Endrin ND ug/L 0.10 Methoxychlor ND ug/L 0.50 Toxaphene ND ug/L 5.0 Surrogate Recovery Dibutyl chlorendate 90 9. ND = Not detected NA = Not applicable Reported By: Lue Lor Approved $y: Karen Kuiken 931061 Enseco A Carnal!cum wn RCRA Herbicides Method 8150 Client Name: Waste Management of North America, Inc. Client ID: EB Lab ID: 022450-0008-SA Matrix: AQUEOUS Sampled: 28 APR 92 Received: 29 APR 92 Authorized: 29 APR 92 Prepared: 01 MAY 92 Analyzed: 08 MAY 92 Reporting Parameter Result Units Limit 2,4-0 NO ug/L 12 2,4,5-TP (Silvex) ND ug/L 1.7 Surrogate Recovery OCAA 94 NO = Not detected NA . Not applicable Reported By: Susan McCool Approved By: Karen Kuiken 931061 Enseco Metal s A Comm%camwny Total Metals Client Name: Waste Management of North America, Inc. Client ID: EB Lab ID: 021837-0006-EB Matrix: AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Arsenic ND mg/L 0.010 7060 30 MAR 92 02 APR 92 Barium ND mg/L 0.010 6010 30 MAR 92 31 MAR 92 Cadmium ND mg/L 0.0050 6010 30 MAR 92 31 MAR 92 Calcium ND mg/L 0.20 6010 30 MAR 92 31 MAR 92 Chromium ND mg/L 0.010 6010 30 MAR 92 31 MAR 92 Iron ND mg/L 0.10 6010 30 MAR 92 31 MAR 92 Lead ND mg/L 0.0050 7421 30 MAR 92 02 APR 92 Magnesium ND mg/L 0.20 6010 30 MAR 92 31 MAR 92 Manganese NO mg/L 0.010 6010 30 MAR 92 31 MAR 92 Mercury ND mg/L 0.00020 7470 30 MAR 92 31 MAR 92 Potassium ND mg/L 5.0 6010 30 MAR 92 31 MAR 92 Selenium ND mg/L 0.010 7740 30 MAR 92 01 APR 92 Silver ND mg/L 0.010 6010 30 MAR 92 31 MAR 92 Sodium ND mg/L 5.0 6010 30 MAR 92 31 MAR 92 ND = Not detected NA = Not applicable Reported By: Sandra Jones Approved.By: Sandra Jones - 1 931061 . Enseco General Inorganics A Comas Q,np,ny Client Name: Waste Management of North America, Inc. Client ID: EB Lab ID: 021837-0006-EB Matrix:. AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 ( Authorized: 28 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Alkalinity, Bicarb. as CaCO3 at pH 4.5 ND mg/L 5.0 310.1 NA 28 MAR 92 Alkalinity, Carb. as CaCO3 at pH 8.3 NO mg/L 5.0 310.1 NA 28 MAR 92 Chloride ND mg/L 3.0 300.0 NA 28 MAR 92 Ammonia as N ND mg/L 0.10 350.1 NA 30 MAR 92 Nitrate as N ND mg/L 0.10 300.0 NA 28 MAR 92 Sulfate ND mg/L 5.0 300.0 NA 28 MAR 92 NO = Not detected NA = Not applicable Reported By: Steve Pope Approved. By: Blake Sesser 931061 Enseco Radiochemistry ACom�ec�^w Client Name: Waste Management of North America, Inc. Client ID: EB Lab ID: 021837-0006-EB Matrix: AQUEOUS Sampled: 27 MAR 92 Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: See Below Analyzed: See Below Reporting Analytical Prepared Analyzed Parameter Result Units Limit Method Date Date Gross Alpha 0.8 pCi/L +-2.4 900.0 NA 14 APR 92 Radium 226 0.0 pCi/L (+-0.3 705 Modified NA 14 APR 92 Gross Beta 1.6 pCi/L ((+-5.2 900.0 NA 14 APR 92 Radium 228 0.0 pCi/L +-1.4 EPA Specified NA 16 APR 92 ND = Not detected NA = Not applicable Reported By: Ramona Power Approved By: Roxanne Sullivan 931061 Enseco o Volatile Organics "CoTMnsc°n^wn° Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: TB Lab ID: 021837-0007-TB Matrix: AQUEOUS Sampled: Unknown Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: 29 MAR 92 Analyzed: 09 APR 92 Reporting Parameter Result Units Limit Acetone ND ug/L 10 Benzene ND ug/L 5.0 Bramodichloromethane ND ug/L 5.0 Bramofarm ND ug/L 5.0 Bromomethane ND ug/L 10 2-Butanone (MEK) NO ug/L 10 Carbon disulfide ND ug/L 5.0 Carbon tetrachloride ND ug/L 5.0 Chlorobenzene NO ug/L 5.0 Chloroethane ND ug/L 10 Chloroform ND ug/L 5.0 Chloromethane ND ND g 0.0/L 10 Dibromochloromethane 1, 1-Dichloroethane ND ug/L 5.0 1,2-Dichloroethane ND ug/L 5.0 1, 1-Dichloroethene NO ug/L 5.0 1,2-Dichloroethene (total ) ND ug/L 5.0 1,2-Dichloropropane ND ug/L 5.0 cis-1,3-Dichloropropene ND ug/L 5.0 trans-1 ,3-Dichloropropene ND ug/L 5.0 Ethyl benzene ND ug/L 5.0 2-Hexanone ND ug/L 10 Methylene chloride 36 ug/L 5.0 4-Methyl -2-pentanone (MIRK) ND ug/L 10 Styrene ND ug/L 5.0 1 , 1,2,2-Tetrachloroethane ND ND ug/L 5.0 L 5.0 Tetrachloroethene ND ug/L 5.0 Toluene 1,1,1-Trichloroethane ND ug/L 5.0 1, 1,2-Trichloroethane ND ug/L 5.0 Trichloroethene NO 5.0 Vinyl acetate ND ug/L 10 Vinyl chloride NO ug/L 10 Xylenes (total ) ND ug/L 5.0 Surrogate Recovery Toluene-d8 107 7. 4-Bromofluorobenzene 92 7 (continued on following page) • NO = Not detected NA = Not applicable Reported By: Stephanie Boehnke Approved By: Karen Kuiken 931061 Enseco Volatile Organics ACamscomp. Target Compound List (TCL) Method 8240 Client Name: Waste Management of North America, Inc. Client ID: TB Lab ID: 021837-0007-TB Matrix: AQUEOUS Sampled: Unknown Received: 28 MAR 92 Authorized: 28 MAR 92 Prepared: 29 MAR 92 Analyzed: 09 APR 92 Surrogate Recovery 1,2-Dichloroethane-d4 100 I ND = Not detected NA Not applicable Reported By: Stephanie Boehnke Approved By: Karen Kuiken 931061 '.] Enseco A Cammg Company 1 METHOD BLANK REPORT —J Volatile Organics by GC/MS (cont.) Reporting _J Analyte Result Units Limit Test: 8240CP-TCL-AP Matrix: AQUEOUS QC Lot: 22 MAR 92-L QC Run: 06 APR 92-L . --j Acetone 16 ug/L 10 Benzene ND ug/L 5.0 Bromodichloromethane ND ug/L 5.0 Bromoform ND ug/L 5.0 Bromomethane ND ug/L 10 2-Butanone (MEK) ND ug/L 10 Carbon disulfide ND ug/L 5.0 I Carbon tetrachloride ND ug/L 5.0 Chlorobenzene ND ug/L 5.0 Chloroethane ND ug/L 10 — Chloroform ND ug/L 5.0 1 Chloromethane ND ug/L 10 Dibromochloromethane ND ug/L 5.0 1 ,1-Dichloroethane ND ug/L 5.0 1 1,2-Dichloroethane ND ug/L 5.0 --r 1, 1-Dichloroethene ND ug/L 5.0 1,2-Dichloroethene .I (total ) ND ug/L 5.0 1,2-Dichloropropane ND ug/L 5.0 -_r. is-1,3-Dichloropropene ND ug/L 5.0 vans-1,3-Dichloropropene ND ug/L 5.0 — i Ethyl benzene ND ug/L 5.0 2-Hexanone ND ug/L 10 ' Methylene chloride ND ug/L 5.0 4-Methyl -2-pentanone - - I (MIRK) ND ug/L 10 Styrene ND ug/L 5.0 1,1,2,2-Tetrachloroethane ND ug/L 5.0 Tetrachloroethene ND ug/L 5.0 I Toluene ND ug/L 5.0 — - 1,1,1-Trichloroethane ND ug/L 5.0 1,1,2-Trichloroethane ND ug/L 5.0 --miTrichloroethene ND ug/L 5.0 Vinyl acetate ND ug/L 10 Vinyl chloride ND ug/L 10 Xylenes (total ) ND ug/L 5.0 a. a 931061 Enseco .. , . A ca„ ca p. METHOD BLANK REPORT Volatile Organics by GC/MS Reporting ^,.' Analyte Result Units Limit ---,I Test: 8240CP-TCL-AP Matrix: AQUEOUS QC Lot: 08 APR 92-Z QC Run: 08 APR 92-Z - . 1.4 Acetone 10 ug/L 10 Benzene ND ug/L 5.0 Bromodichloromethane ND ug/L 5.0 — Bromoform ND ug/L 5.0 Bromomethane ND ug/L 10 • 2-Butanone (MEK) ND ug/L 10 - 7 Carbon disulfide ND ug/L 5.0 Carbon tetrachloride ND ug/L 5.0 Chlorobenzene ND ug/L 5.0 Chloroethane ND ug/L 10 Chloroform ND ug/L 5.0 Chloromethane ND ug/L 10 Dibromochloromethane ND ug/L 5.0 • -T 1, 1-Dichloroethane ND ug/L 5.0 1,2-Dichloroethane ND ug/L 5.0 1,1-Dichloroethene ND • ug/L 5.0 1,2-Dichloroethene • i (total ) ND ug/L 5.0 _ 1,2-Dichloropropane ND ug/L 5.0 cis-1,3-Dichloropropene ND ug/L 5.0 trans-1,3-Dichloropropene ND ug/L 5.0 • r -I Ethylbenzene ND ug/L 5.0 2-Hexanone ND ug/L 10 Methylene chloride 1.8 ug/L 5.0 J 4-Methyl -2-pentanone 1 (MIBK) ND ug/L 10 Styrene ND ug/L 5.0 1,1,2,2-Tetrachloroethane ND ug/L 5.0 -i Tetrachioroethene ND ug/L 5.0 Toluene ND ug/L 5.0 1,1, 1-Trichloroethane ND ug/L 5.0 1,1,2-Trichloroethane ND ug/L 5.0 - ; J Trichloroethene NND D g 0/L 5.0 Vinyl acetate Vinyl chloride ND ug/L 10 “_� Xylenes (total ) ND ug/L 5.0 J = Result is detected below the reporting limit or is an • • I estimated concentration. a_ _ 93,1116,1 Enseco A Comma Company p METHOD BLANK REPORT - . Volatile Organics by GC/MS (cont.) Reporting Analyte Result Units Limit _ : Test: 8240CP-TCL-AP Matrix: AQUEOUS QC Lot: 09 APR 92-L QC Run: 09 APR 92-L 7 - Acetone 3.8 ug/L 10 J Benzene ND ug/L 5.0 Bromodichioromethane ND ug/L 5.0 1 Bromoform ND ug/L 5.0 — Bromomethane ND ug/L 10 2-Butanone (MEK) ND ug/L 10 Carbon disulfide ND ug/L 5.0 Carbon tetrachloride ND ug/L 5.0 ' — Chlorobenzene ND ug/L 5.0 Chloroethane ND ug/L 10 jChloroform ND ug/L 5.0 Chloromethane ND ug/L 10 Dibromochloromethane ND ug/L 5.0 1- , 1-Dichioroethane ND ug/L 5.0 1,2-Dichloroethane ND ug/L 5.0 -- 1, 1-Dichloroethene ND ug/L 5.0 1 ,2-Dichloroethene — (total ) ND ug/L 5.0 1 ,2-Dichloropropane ND ug/L 5.0 - - is-1,3-Dichloropropene ND ug/L 5.0 Lrans-1 ,3-Dichloropropene ND ug/L 5.0 - r Ethylbenzene ND ug/L 5.0 J 2-Hexanone ND ug/L 10 Methylene chloride ND ug/L 5.0 4-Methyl -2-pentanone (MIBK) ND ug/L 10 - Styrene ND ug/L 5.0 1 ,1,2,2-Tetrachloroethane ND ug/L 5.0 . — Tetrachloroethene ND ug/L 5.0 Toluene ND ug/L 5.0 - — 1, 1, 1-Trichloroethane ND ug/L 5.0 1,1,2-Trichloroethane ND ug/L 5.0 -- Trichloroethene ND ug/L 5.0 Vinyl acetate ND ug/L 10 Vinyl chloride ND ug/L 10 Xylenes (total ) ND ug/L 5.0 J = Result is detected below the reporting limit or is an .. estimated concentration. _1 931061 Enseco A Corning Company METHOD BLANK REPORT Volatile Organics by GC/MS Reporting Analyte Result Units Limit - Test: 8240CP-TCL-AP Matrix: AQUEOUS — QC Lot: 09 APR 92-L QC Run: 14 APR 92-L • Acetone 7.8 ug/L 510 J Benzene ND ug/L 5.0 .0 -- Bromodichloromethane ND ug/L 5.0 Bromoform 0 Bromomethane ND ug/L 2-Butanone (MEK) ND ug/Lug/L10 5.0 Carbon disulfide ND ug/L 5.0 Carbon tetrachloride ND ug/L 5.0 Chlorobenzene ND ug/L .0 Chloroethane ND ug/L 5.0 Chloroform 10 • Chloromethane ND ug/L ND ug/L 510 Dibromochloromethane ND ug/L 5.0 - 1 , 1-Dichloroethane 5.0 1,2-Dichloroethane ND u ug/Lg/L 5.0 1, 1-Dichloroethene 1 ,2-Dichloroethene ND ug/L 5.0 total ) ND ug/L 5.0 ' .2-Dichloroppropane 5.0 s-1,3-Dichlorapropene NDND ug/L L 5.0 trans-1,3-Dichloropropene 5.0 1 Ethylbenzene 1NO.2 ug/L lL .0 J .1 2-Hexanone 1.2 ug/L 5.0 J Methylene chloride 4-Methyl -2-pentanone 10 (MIBK) ND ug/L 5.0 Styrene ND 9/ 5.0 1, 1,2,2-Tetrachloroethane ND ug/L 5.0 - Tetrachloroethene ND ug/LNO ug/L 5.0 Toluene 5.0 1, 1, 1-Trichloroethane ND u ug/L 5.0 1, 1,2-Trichloroethane NNO ug/L 5.0 '� Trichloroethene ND ug/L 10 Vinyl acetate 10 Vinyl chloride ND ug/L 5.0 1 _ _I Xylenes (total ) J = Result is detected below the reporting limit or is an Iestimated concentration. 1 .1 931061 7 METHOD BLANK REPORT Volatile Organics by GC/MS Reporting — Analyte Result Units Limit 7 Test: 8240CP-TCL-AP — Matrix: AQUEOUS QC Lot: 29 APR 92-Z QC Run: 29 APR 92-Z 1 Acetone 13 ug/L 10 Benzene ND ug/L 5.0 Bromodichloromethane ND ug/L 5.0 1 Bromoform ND ug/L 5.0 - Bromomethane ND ug/L 10 2-Butanone (MEK) NO ug/L 10 - Carbon disulfide ND ug/L 5.0 1 Carbon tetrachloride ND ug/L 5.0 - Chlorobenzene ND ug/L 5.0 Chloroethane ND ug/L 10 Chloroform ND ug/L 5.0 Chloromethane ND ug/L 10 Dibromochloromethane ND ug/L 5.0 1, 1-Dichloroethane ND ug/L 5.0 1,2-Dichloroethane ND ug/L 5.0 1, 1-Dichloroethene ND ug/L 5.0 1 ,2-Dichloroethene (total ) ND ug/L 5.0 1,2-Dichloropropane ND ug/L 5.0 f cis-1,3-Dichloropropene ND ug/L 5.0 trans-1 ,3-Dichloropropene ND ug/L 5.0 - Ethylbenzene ND ug/L 5.0 2-Hexanone ND ug/L 10 - Methylene chloride 1.2 ug/L 5.0 J 4-Methyl -2-pentanone (MIBK) NO ug/L 10 1 Styrene ND ug/L 5.0 1, 1,2,2-Tetrachloroethane ND ug/L 5.0 Tetrachloroethene ND ug/L 5.0 1 Toluene ND ug/L 5.0 1, 1, 1-Trichloroethane ND ug/L 5.0 1,1,2-Trichloroethane ND ug/L 5.0 1 Trichloroethene ND ug/L 5.0 I Vinyl acetate ND ug/L 10 73 Vinyl chloride ND ug/L 10 Xylenes (total ) ND ug/L 5.0 a J = Result is detected below the reporting limit or is an estimated concentration. J _ ` • i szio6x Hello