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Home My WebLink About871859.tiff DEPARTM r OF PLANNING SERVICES PHONE(303)356-4000 EXT.4400 915 10th STREET 10 lip GREELEY,COLORADO 80631 \ AV, , , . . . COLORADO October 14, 1987 Coors Energy Corporation c/o John Althouse P.O. BOX 467 Golden, CO 80401 Dear Mr. Althouse: Thank you for giving the Weld County Department of Planning Services the opportunity to review your plans for the Keenesburg facility. The Department has determined that future use of the fly ash pit as outlined in your letter dated September 29, 1987, will be in compliance with the existing Special Use Permit #x`386. This permit allows a deposit of 100 cubic yards of fly ash daily, or a yearly limit of 36,500 cubic yards. If these amounts are exceeded at any time, a new amended Special Use Permit will be required. Please keep this Department informed of Coor's future plans and endeavors in the fly ash disposal at the Keenesburg site. Respectfully, \ -'Br . E isr qurrent Plann r BJB:dn 871859 E /o -/6--6'7 73-7; /as cs G Sfe0/ L 7v." 0/.• - z ,...5";4c _5-eci r s f /`✓e /7a �i�B✓�� ,r.. a- q/3r; 71 -zSA we o f ,; c c d 1Z /DO c_7'• Z��y ��y- '-' _27 e "14-e ); -crm ‘1/<. c,/e /787 lo c."! 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Dear Ms. Bierbaum: As reported to you this date MLRD is in the process of telling us where and how to complete a monitoring well for our ash disposal system. The down-gradient well will be placed on undisturbed ground into the overburden aquifer. We assume this means it will be drilled through the blowsand and 15'-2O' into the clay (Laramie) . This well will be located NE of the first ash pit along the property line to the NE of our main haul road. We will be ready to drill this well in the next week or two. The up-gradient well should not be drilled until our first ash pit is full or reclaimed. At that time we will drill through the ash into the underlying spoil• and probably down to the elevation of the mined out coal. MLRD feels that this will be our early-warning well although we feel that any contamination will be so diluted by jr-72 [L the volume of water flowing through this area that it wo U E OCT 11987 aVeld Cu, Rau Rau% w.E.viimat, recognized. We also feel that SMW-2 which is monitored every month would be a better one to use. This pit will hold about 120,000 c.y. of ash at a fifteen foot depth. However, because of reclamation requirements these pits will probably be short as shown on your map and will move with advancing reclamation. It's possible that these wells will remain dry for many years. If not, MLRD wants four or five months of consecutive samples afterwhich we will request permission to sample less often. I trust this brings you_ up to date on what MLRD is requiring and that you concur. , Very Truly Yours, rily7— ,'1(-.1' John G. Althouse o Date /, `/..3 Tim WEI3. OUT of f 7 Phone 7 — "L/9// Area Code Number Extension TELEPHONED PLEASE CALL CALLED TOSEEYOU WILL CALL AGAIN■ WANTS TO SEE YOU ■ URGENT ■ RETURNED YOUR CALL Mess-.g 0 X erator AMPAD 23-000 50 SHT PAD EFFICIENCY® 23.001 250 SHT.DISPENSER BOX I--,H?" r I, II 181. o' ,:;b , ':cc f100/14 ENERGY COMPANY PO BOX 467 GOLDEN, COLORADO 80401 September 21, 1987 Mr. Brian J. Single Current Planner Department of Planning Services 915 10th Street • Greeley. Co. 80631 Dear Mr. Single: As discussed with you in August, Coors is requesting a change in their operation plan for SUP 386:86:58. This change is for 1987 only and will not exceed the 40,000 cubic yard volume that was approved. If this haul continues after 1-1-88, Coors will amend SUP 386:86:58, to allow for more yards of ash. Since the application did address the possibility that other sources of ash and coal might be involved, as pointed out by you in our meeting, attached are the leachate and trace element analysis of this new source, which is Cypress coal and PSC ash from their wet ponds at the Arapaho Plant. Also, since the design standards for' the county road leading to the mine and dumpsite is restricted to 25 loaded trucks per day, Coors guarantees that this amount of daily traffic will not be exceeded by these additional loads. I trust this meets your concerns about the new plan and we are always available for futher discussion if necessary. Very Truly Yours, • John G. Althouse Hazen Research,Inc. 4601 Indiana St.• Golden.Colo.80403 HAZEN Tel:(303)279-4501 • Telex 45-860 September 15, 1987 Mr. John Althouse Coors Energy Company P.O. Box 359 Keenesburg, CO 80643 Re: HRI Project 005-806 Boiler Ash Characterization Dear Mr. Althouse: Testing of the sample of boiler ash has been completed. This letter summarizes . • the results. The paste extract test was run on the ash sample just as it was performed on the two previous samples (reported in letter from C. W. Kenney/February 17, 1987). The procedures for this test are detailed in Method 2 of the U.S.D.A. Handbook No. 60 on saline and alkaline soils. The amount of water required was 0.424 gram per gram of ash, and 0.085 gram of extract was produced per gram of ash. Analyses of the extract are contained in Table 1. Table 2 shows the analyses of the solid material by mass spectrometer. Also attached is a revised analysis table for the samples of bottom and fly ash - which were previously submitted by Mr. Bob Trousil. The calculation of the sodium adsorption ratio was incorrectly reportea at that time and the revised table has the corrected values. Very truly yours, ..).19a,,,i_., Wel,---ii Jo Ann Read Research Chemist JAR:dmk Attachments . „ Attachment to Letter-Page 1 Mr. John Althouse September 15, 1987 Table 1 • Analyses of Paste Extract 1/ from Coors Ash Sample Parameter Units Analysis pH N/A 8.2 Electrical conductivity umhos/cm 6890 Saturation percentage %- 42.4 Sodium adsorption ratio N/A 28.5 Calcium mg/1 98.3 Magnesium mg/1 18.5 Nitrate mg/1 8.40 Nitrite mg/1 0.72 Sodium mg/1 1160 Arsenic mg/1 0.06 Boron mg/1 23.7 Cadmium mg/1 <0.001 Copper mg/1 0.04 Iron mg/1 0.07 Lead mg/1 0.21 Manganese mg/1 0.03 Mercury mg/1 <0.001 Molybdenum mg/1 0.61 Selenium mg/1 0.088 Zinc mg/1 0.03 Bicarbonate, as CaCO3 mg/1 194 Carbonate, as CaCO3 mg/1 94 Hydroxide, as CaCO3 mg/1 <5.0 Sulfate mg/1 2500 1/ Paste extract prepared according to Method 2 in U.S.D.A. Handbook No. 60. N/A Not applicable. Hazen Research,Inc. .AAccu-Labs I3 search, Inc. )1e 2 . 11485 W. 48th Avenue V t Ridge. Colorado 80033 (303) 423-2766 To: Mr. Bob Rostad Date: August 31, 1987 Hazen Research, Inc. ALR No.: 8645-25069-1-1 4601 Indiana St. Purchase Order No.: 3240 Golden, CO 80403 Concentration In: ppm wt. Sample Identification No.: H243-1 Uranium 5.0 Terbium 1.9 Ruthenium Vanadium 610 Thorium 16 Gadolinium 6.4 Molybdenum 13 Titanium Maj Bismuth 2.0 Europium 4.7 Niobium 75 Scandium 77 Lead 42 Samarium 12 Zirconium co 1300 Calcium Maj Thallium 0.80 Neodymium 34 Yttrium 180 Potassium Maj Mercury NR , Praseodymium 27 Strontium 2800 Chlorine 900 Gold Cerium 170 Rubidium 220 Sulfur Maj Platinum Lanthanum 290 Bromine 8.6 Phosphorus Maj Iridium Barium r4 5400 Selenium 4.0 Silicon Maj Osmium Cesium 4.0 Arsenic 13 Aluminum Maj Rhenium Internal Iodine 2.9 Germanium 5.6 Magnesium Maj Standard Tungsten 3.3 . Tellurium <0.12 Gallium 35 Sodium 2100 Tantalum 0.36 Antimony 1.8 Zinc 160 Fluorine 830 Hafnium 11 Tin 2.3 Copper 160 Oxygen NR Lutetium 0.66 Indium Internal Nickel 21 Nitrogen NR Standard Ytterbium 4.0 Cadmium 1.5 Cobalt 19 Carbon NR Thulium 0.73 Silver 0.20 Iron Maj Boron 1000 Erbium 8.3 Palladium Manganese >1200 Beryllium 28 Holmium 1.3 Rhodium Chromium 130 Lithium Dysprosium 7.7 NOTES: All elements for which values are not entered <0.1 ppm wt. NR - Not reported. This sample is scheduled to be discarded four nonths after the date of this report. t:r9DEPAR' :NT OF PLANNING SERVICES r PHONE(303)356-4000 EXT.4400 f 15 10th STREET �• GREELEY,COLORADO 80631 1. r IIIJ • COLORADO July 10, 1987 Mr. John G. Althouse P.O. Box 467 Golden, CO 80401 Dear Mr. Althouse: Thank you for your letter dated July 7. The Department of Planning Services is requesting that you submit a complete application indicating both the original application as left unchanged and those changes being requested; along with the required (24) twenty-four copies. If I can answer any questions, please call. Respectfully, i Bria J. Bangle Curr nt Planner BJB:dy i; Jd,eda'7-/O , e0(44 ENERGY COMPANY Og P.O BOX 467 GOLDEN, COLORADO 80401 July 7, 1987 Mr. Brian Bingle Department of Planning Services Weld County. Colorado 915 10th Street Greeley. Co. 80631 Dear Mr. Bingle: I talked with Mr. Schuett last Wednesday, July 1 , concerning Coors latest need to amend SUP 386:86-58 as to quantities of coal ash to be disposed of at the Keenesburg Mine. I suggested that prehaps we could eliminate slot of paperwork and duplication if we did not have to submit 25 copies of everything that was submitted in December that has not changed. He suggested I correspond with you concerning this matter. My suggestion would be to eliminate Appendices B, C & D and include the application (with check) , the responses to the procedural guide, and the map. If this meets with your approval we will proceed on that basis. Very Truly Yours, JULD p 5)L-1.) ivilTeq (. .:243z-,_ r L z,..ey--Z,_ Q 9 1987 ohn G. Althouse tiSgYtr to hiau,Iltit9 11u1lnae\(,tuft rt DEPART 4T OF PLANNING SERVICES x`S+Z PHONE(303)356-4000 EXT.4400 .� 1§01 915 10th STREET II: 1 GREELEY,COLORADO 80631 I ' y COLORADO June 16, 1987 Mr. John Althouse P.O. Box 467 Golden, CO 80401 Re: Amend Special Use Permit 386:86:58 Dear Mr. Acthouse: This letter is in reference to the request made by your office to add an additional 80,000 tons, or increase the amount of fly ash from 40,000 ton to 120,000 tons. After careful review of this proposal along with the existing SUP-386:86:58, the Department of Planning Services feels that a substantial change would occur. For this reason, an Amended Use By Special Review would be required. If this department can be of any assistance, in this matter, do not hesitate to call. Respectfully, _ B a . Bi le C rrent Pl(ner BJB:dy d \ / c° STATE OF COLORADO a_ Roy Romer, Governor 4/876 DEPARTMENT OF NATURAL RESOURCES MINED LAND RECLAMATION Di:VISION DAVID C. SHELTON, Director 1 Jr 01987 Li June 8, 1987 .. ` r, Weld County Commissioners 915 10th Street Greeley, Colorado 80631 RE: Keenesburg Mine - Bond Release Proposed Decision - File No. C-81-028. Dear Sirs: The Colorado Mined Land Reclamation Division has issued a proposed decision for partial bond release for 111 acres of state and private land at the Keenesburg Mine, operated by Coors Energy Company (the permittee). Coors Energy Company has successfully completed backfilling, regrading and drainage control in accordance with their approved reclamation plan. Our current review of the Keenesburg Mine performance bond indicates that the bond is adequate to cover the cost of all current and anticipated reclamation activities. No release of bond amount will occur at this time. A reduction in the bond amount may occur after the permittee has demonstrated successful revegetation on the 111 acres and upon completion of backfilling and grading of remaining strips in Pit A. Please let me know if you have any questions on our bond release decision. Thank you. 0- Sincerely, 7'21 Thomas A. Schreiner o ECE VE`� Reclamation Specialist TAS/sak JUN 101987 0313F Weld Co. Planning Commission 423 Centennial Building, 1313 Sherman Street Denver, Colorado 80203-2273 Tel. (303) 866-3567 AdivAi4,444° k/fil;K el0C44 I��, ENERGY COMPANY Og PO BOX 467 GOLDEN, COLORADO 80401 June 4, 1987 Mr. Brian Bingle Department of Planning Services 915 10th St. Greeley, Co. 80631 Dear Mr. Bingle: This is in response to your request of June 2 for a written explanation of our request concerning the recently approved ash disposal permit which allows dumping 40,000 tons/year, to increase this to 120,000 tons/year. Since receiving this permit it has come to our attention that Coors will only be producing about 20,000 tons/year for disposal as permitted. However, another contractor has requested permission to haul 100,000 tons/year of coal ash produced at Public Service of Colorado's, Arapahoe plant. This plant uses Cypress and Arco coal both mined in Western Colorado adjacent to where most of the Coors fuel is also being produced. This coal ash will be very similar to the ash described in the original application. No more than 14 standard 80,000 ton trucks will haul the ash to the mine on a daily basis. Since Coors will continue to run only six trucks/day, the total haulage allowed under the permit (25 truckloads) will not be exceeded at this time. Therefore, Coors feels that there should be no charge in the agreement of 4/15/87 wherein Coors will do the patching and Weld County will do the chipsealing of County Road 59. All other plans and procedures wil remain as stated in the application. The dumpsites will remain about the same except that Mined Land Reclamation has been very specific concerning elevations and thickness of ash to be dumped. This will require extending each dumpsite rectangle shown on your map 100 feet to the south. We may also request another site in A Pit which is 1/4 mile southeast of the sites somewhat schematically shown on your map. We trust this brief explanation will help and if there is anything else we will be glad to discuss, clarify and/or rectify. rij)._ /5"'5 l Ver my Yours,fl 1 JUI\9 8 1987 ,..Z -7_,a1;;i: .._ EJ C — ohn G. Althouse 69elry Co. Paaplii i ommolissior FIELD CHECK A,r-e, ' ' --j , j FILING NUMBER:_ ' s L; --'• DATE OF INSPECTION:_ a / , APPLICANT'S NAME:_ C urns' ; r c ,-, ; REQUEST:_ c e X ,i , , 4 LEGAL DESCRIPTION:_ 0& LOCATION:_ LAND USE: N 4-" ; • E S W ZONING: N E S W COMMENTS: . ) 1 - Iv-- I LX ' A Y 1 e i a r USR Form •vor _oex-e09 4.7v-py Applicant 'USR Number Planner's Initials CC Approval Date Reasons not completed / 6--Ce-- CAD C3,1 ‘47(1%, __YFak. P • Notes (� ✓��17 SI/�� r n- � SZ— c_314Jotm,, C,,r- cr,f,,,,,,t,/ USR Form C9,9r`5 J '"2 .4 ��'1 - e'6 Applicant U 'USR Number'bi /r7 l Planner's Initials CC Approval Date Reasons not completed —EA--Lr---"-- * IFC, V1-0 tatc r.e. i,,,,kut_ ortiaNt pu,, 1,1,,, 6- rrvti( - ri- pf,,,A- 0,,,i0 • Notes 21 ■ r3 • •I. r. II I 9 21 21 23 �� , 24 1 20 r �, _ _ . _— ,- ,I••e - 211 27 '!; 24 2e 20 21 s 27 2e 2. 10 ' a` , n 2e 27 ) 2f a e• m . ! 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