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Home My WebLink About930855.tiff MEMORAIMU Board of County Commissioners File January 12, 1993 To Planning Fila Date , tit Lanell Swanson, Current Pla-ner /' l COLORADO From Amended SUP-400, Laid Waste Systems Subject: Condition of approval 3 required certain items to be submitted within 6 months of approval by the Board. Items 3c, d, e, f, and g have been submitted and approved. Item 3a regarding proper closure and post-closure monitoring will be assumed by the State. Lee Morrison is working on this issue. Item 3b has been modified by the Board. The intent is not to open the issue of road maintenance until Laidlaw finishes paying off the bonds on Weld County Road 5. The submitted approval documents have been forwarded to the Board of County Commissioners file. Condition of approval 6 regarding the quality assurance plan has also been met. The Health Department's approval has been forwarded to the Board of County Commissioners' file. pc: Fred Otis Lee Morrison 930855 n t\(L 'Ir{� rL0w3 e, en. e� Golder Associates Inc. {� 2CC ncno� ito ure 'CJ molder Tale noa.c PJ'_0 Associates eiecnone f3C r�10 Fox'303)985.2020 August 25, 1992 Our Ref: 913-2324 Boulder Valley Soil Conservation District 9595 Nelson Road, Box D Longmont, CO 80501 Attention: Ms. Cathy Miller RE: RECLAMATION DETAILS, DENVER REGIONAL LANDFILL (SOUTH), WELD COUNTY, COLORADO Dear Ms. Miller: On behalf of Laidlaw Waste Systems (Colorado), Inc. Golder Associates Inc. (Golder) is submitting the details of the reclamation plan for the Denver Regional Landfill (South) located in Weld County, Colorado. Evidence of approval of the site reclamation plan from the Boulder Valley Soil Conservation District (BVSCD) is required by Weld County as stated in Paragraph C of Laidlaw's Special Review Permit for an existing sanitary landfill permitted under SUP #400. The design of the final cover system is presented in a document titled "Design and Operations for the Denver Regional Landfill (South)," prepared by Golder, dated September 1991. Please find enclosed sections of this document which discuss the final closure cover (Section 3.5), the surface water management plans (Section 3.6), inspection and maintenance of the final cover (Section 4.7.3), closure plan of final cover (section 6.3), closure cover vegetation (Section 6.4), post-closure soil and erosion and sediment control (Section 7.2), and post-closure site maintenance (Section 7.7). Additionally, the lines and grades of the final cover are presented in the enclosed drawing (Figure 9) from the design drawings for this project titled "Laidlaw Waste Systems, Denver Regional Landfill, Weld County, Colorado," by Golder, dated September, 1991. Other drawings also attached include the Surface Water Management Plan and Details (Sheets 17 through 20) and the proposed landscaping plan (Sheet 24). We trust that the enclosed information will allow for a rapid approval of the reclamation plan for this project by the BVSCD. If you should have any questions, please contact the undersigned. Sincerely, GOLDER ASSOCIATES INC. / David L. O'Sadnick, P.E. Associate DLO/mya Attachments September 1991 25 913-2324.003 During Phase 4, waste will be placed in Cell C up to maximum grade and then over the entire operating area. Cell D is under construction. The final phase, Phase 5, consists of filling in Cell D up to grade with the rest of the landfill and then completing the filling over the entire operating area to the final grades shown on Sheet 9 of the design drawings. 3.4.4 Waste and Daily/Intermediate Cover Placement Waste will be placed in each landfill cell in lifts approximately ten to fifteen feet thick and compacted. At the end of each working day, a six inch layer of daily cover soil will be placed over the exposed waste. Those areas of waste which reach final grade or remain unused for 30 days will be covered with 12 inches of intermediate cover soil. A detailed description of waste and cover placement is given in Section 4.5 of this Plan. 3.5 Landfill Closure Cover 3.5.1 General The final closure cover of the landfill has been designed in accordance with the following criteria: ► provide adequate drainage from the cover; ► minimize infiltration through the cover; and, ► minimize long-term maintenance requirements. The final cover will consist of two feet of compacted clay overlain by 18 inches of soil cover and six inches of topsoil. The final cover will have a nominal slope of 4 horizontal: 1 vertical. Golder Associates September 1991 26 913-2324.003 Cover drainage benches will be built into the final cover slope as described in Section 3.6.3.1 and will serve to minimize erosion from the final cover. The final grades and limits of the closure cover to be placed are shown on Sheet 9 of the design drawings. A detail of the cover is shown on Sheet 11. 3.5.2 Compacted Clay Cover Layer The two foot thick compacted clay layer will be constructed of clay and claystone materials obtained and selectively stockpiled during excavation of the landfill. Only material classified as CL or CH under the Unified Soil Classification System (ASTM D-2487) will be used. Material will be free of roots, vegetation, peat, organics, and other deleterious material. The clay layer will be constructed over the intermediate soil cover which will be placed over the waste as described in Section 3.4.4. The clay layer will be constructed by placing the material in loose lifts having a maximum thickness of 8 inches and compacting with a sheepsfoot roller or equivalent. The compacted clay liner shall have a permeability not greater than 1 x 10-6 cm/sec when compacted to at least 90% of the standard Proctor maximum dry density (ASTM D-698). The construction of the clay cover layer will be monitored in accordance with the Construction Quality Assurance and Quality Control Plan (CQA/QC) contained in Appendix A of this Plan. 3.5.3 Soil Cover Layer The soil cover layer will consist of 18 inches of general soil taken from the excavation and nominally compacted. This layer will have a nominal thickness greater than 18 inches in the • area of the cover drainage benches as shown in the detail on Sheet 18 of the design drawings. Golder Associates • September 1991 27 913-2324.003 3.5.4 Topsoil Laver A six inch thick layer of topsoil will be placed over the soil cover layer to complete the final :over grades. This layer will be firm but not compacted, allowing vegetation to be-established for erosion control. This layer will be fertilized and seeded as described in Section 6.4 of this plan. 3.5.5 Closure Cover Settlement Although waste will be placed in the landfill with a high compactive effort in order to maximize available airspace, some settlement of the waste is expected to occur. This will in turn cause some settlement of the final closure cover. Experience indicates that total settlement is typically -a maximum of 10percent of the waste height. The most critical area of the final cover for settlement is the top of the landfill where the slope is 5 percent. Calculations presented in Appendix H indicate that the 5 percent slope is sufficient to maintain positive drainage off of the cover even after expected settlement occurs. 3.5.6 Erosion Control The primary means of controlling erosion from the final closure cover is the establishment of vegetation as described in Section 6.4. Additionally, the cover benches described in Section 3.6.3.1 will intercept surface runoff from the 4:1 slope, thereby reducing runoff velocity and the potential for soil erosion. The Universal Soil Loss Equation has been used to calculate the • annual soil loss from the closure cover. The results of this calculation indicate that 2.7 tons of soil per acre per year will be eroded from the cover. This is below the industry standard maximum permissible erosion of 4 tons per acre per year for a solid waste landfill closure cover. This calculation is presented in Appendix I. Golder Associates September 1991 23 913-2324.003 All surface water runoff from the landfill area will be routed to the sediment basin, which is described in Section-3.6.3.6. This sediment basin serves to retain site sediment eroded from the closure cover. The design of the sediment basin is presented in Appendix J. 3.6 Surface Water- Management Plan 3.6.1 Design Criteria, The surface water management plan has been designed to control the surface water from the site in such a manner as to minimize the effect of landfill construction and operations on off--site drainage patterns. This includes features to control erosion and attenuate peak flows off of the area of operation. Inaccordance with CDH regulations, the 24-hour storm with a return period of 100 years has been used as the design storm for all permanent surface water control structures. Temporary surface water controls were designed using the 25 year, 24-hour storm. The surface water control system includes the following components: ► Closure cover benches; ► Channel downspouts; ► Perimeter channels; ► Diversion berms; ► Culverts; and, ► Sediment basin. Calculations relating to design of the surface water drainage plan are located in Appendix J of Golder Associates September 1991 29 913-2324.003 this Plan. 3.6.2 Temporary Surface Water Control During Operations Temporary surface water control features such as berms and channels will be constructed and maintained within the landfill footprint during operations to route surface water around and away from active waste placement areas. These flows will be routed into permanent surface water control features described in Section 3.6.3. Temporary surface water control features are described in more detail in Section 4.5.3 of this Plan. 3.6.3 Permanent Surface Water Control 3.6.3.1 Closure Cover Benches Surface water control benches will be constructed into the closure cover of the landfill to minimize erosion off of the final cover. The 15-foot wide cover benches will be constructed at locations approximately 40 feet apart vertically and will have a 3 percent longitudinal slope. The benches will be grass-lined to control erosion. The benches will serve to intercept surface water runoff from the 4:1 cover slope and convey it along the benches to channel downspouts which will carry it off of the landfill. Plan locations of the closure cover benches are shown on Sheet 17 of the design drawings. A detail is shown on Sheet 18. 3.6.3.2 Channel Downspouts r- Four channel downspouts will be constructed to collect surface water from the cover benches • and carry it down the 4:1 cover slope and into the perimeter channels. The channel downspouts • will consist of open channels constructed into the final closure cover. The downspouts will be lined with gabions to minimize erosion. At the edge of the landfill cover where each downspout empties into the perimeter channel, the gabion lining will extend into and across the channel to Golder Associates September 1991 30 913-2324.003 act as an energy dissipator. Plan locations of the channel downspouts are shown on Sheet 17 of the design drawings. A detail is shown on Sheet 18. - 3.6.3.3 Perimeter Channels and Access Road Channels The perimeter channels have been designed to intercept surface water run-on before it can enter the landfill. The channels will also collect surface water runoff from completed or covered portions of the landfill, including flow from the channel downspouts, and direct that runoff around the landfill perimeter. The access road channel is located on the landfill closure cover and runs along the permanent access road. The channel collects surface water runoff from the road and from two closure cover benches. The access road channel empties into a diversion berm channel and eventually into a perimeter channel at the edge of the landfill. All channels will contain a rip-rap lining to control erosion. Rip-rap material will consist of material identified as Type L rip-rap according to the Urban Storm Drainage Manual for the Denver area. Rip-rap will be installed to a depth of 1.5 feet above a minimum 10 oz./sq. yard protective geotextile. Channels will be overexcavated by a depth of 1.5 feet to allow placement • of rip-rap. Locations of the access road and perimeter channels are shown in plan on Sheet 17 of the design drawings. Details of the channels are shown on Sheet 18. All channels will drain into the sediment basin described in Section 3.6.3.6. r Golder Associates September 1991 31 913-2324.003 3.6.3.4 Diversion Berms Surface water diversion berms will be added to the existing fill after completion of final cover in four locations as shown on Sheet 17. These berms will serve the same function as perimeter channels, intercepting surface water flow from the existing cover and routing it into the perimeter channels. The flow area of the berm and the existing cover will be lined with rip-rap or grass to control erosion as shown in the detail on Sheet 19. The rip-rap used will be as specified in Section 3.6.3.3. 3.6.3.5 Culverts Two permanent culverts will be constructed at the site to carry surface water flow underneath access roads. The locations of the culverts are shown on Sheet 17 of the design drawings. The culverts will be constructed using corrugated metal pipe (CMP) with inlets mitered to conform to the fill slopes. Details of the culverts are shown on Sheet 19 of the design drawings. 3.6.3.6 Sediment Basin The sediment basin is located as shown on Sheet 17 of the design drawings. All of the surface water from the site will be routed to the sediment basin via cover benches, downspouts, diversion berms, and perimeter channels as described in previous sections. The sediment basin has been designed with an outlet structure which will attenuate the peak from the 100 year, 24- hour storm for the site. The basin will also have an emergency spillway designed to pass the 100 year flow if the outlet structure becomes blocked. Outflow from the basin will drain into an existing drainage feature on the southwest side of the site. During the dry season of the year, water entering the sediment basin will be stored and used for irrigation and dust control. Details of the sediment basin are shown on Sheet 20 of the design drawings. Golder Associates September 1991 44 913-2324.003 4.7.2 Surface Water Management System Surface water control structures and channels will be inspected at least quarterly in 2 "dry" condition. Channels and cover benches will be inspected for erosion damage and clogging by silt, weeds, and other debris. The sediment basin will be inspected for sediment buildup and erosion damage. When the sediment level reaches the maximum elevation, the basin will be cleaned using a dragline, clamshell, or dredge; or drained and excavated using a backhoe, front- -end loader, bulldozer, or other equipment. After each major storm event, a "wet" inspection will be performed which will include identifying and removing all debris from control structures and channels and checking for erosion damage. 4.7.3 Cover System The cover system will be inspected at least quarterly and after each major storm event. Identification of erosion gullies, soil removal and vegetative cover damage shall be made. Repairs to these damaged areas shall be performed as soon as feasible after identification. Final cover erosion repair may consist of excavating part of the 2 feet of compacted clay and -replacing the damaged soil by equivalent material. In this manner, the integrity of the cover barrier can be maintained. Replacement of the soil cover and vegetation shall also be performed in damaged areas. r The source of cover erosion shall be identified and corrective action taken. This may consist -of removing sediment or debris blocking a surface water structure or channel. It may also consist of adding additional channels or diversion berms. Golder Associates September 1991 .52 913-2324.003 The following procedures will be followed when closing an area of the landfill: ► Grade the surface of the waste/daily cover to its final elevations. Final configuration of the graded surface will be approximately 5 feet below that shown on Sheet 9 of the design drawings. Place 12 inches of intermediate soil cover above the graded waste/daily cover. This soil will be nominally compacted by construction equipment to provide a firm foundation for the compacted clay. 10. When a minimum area of approximately 10 acres has been brought to final grade and intermediate cover has been placed, place and compact 1.5 feet of clay as described in Section 3.3.2. ► Place 18 inches of nominally compacted soil cover over the clay layer as described in Section 3.5.3. ► Place six inches of topsoil over the soil cover layer as described in Section 3.5.4. ► Establish vegetation as described in Section 6.4. D. Implement post-closure plan after closure is complete. 6.3 final Cover Materials 6.3.1 Source of Materials Estimates of the volume of soil material required to construct the final cover indicate that sufficient soil will be available from on-site excavations. See Section 3.4.2 for a breakdown of the soil available by phase. Supplies necessary to construct the gas management system will be obtained from generally Golder Associates September 1991 53 913-2324.003 available sources. Grass seed, mulch, and fertilizer will be obtained fromlocal isources. 63.2 Required Quantities of Materials Construction of the closure cover system over the entirerredesigned South Landfill will require the following estimated amounts of materials: ► 3;433,250 cubic yards of intermediate soil cover; D. 356,720 cubicyards of clay for the final cover; P. 267,540 cubic yards of soil cover; ► 89,1S0 cubic yards of topsoil; ► 4,440 lbs. each of nitrogen and phosphorus; ► 1,24D lbs. of grass seed (See Section 6.42); D. 444,-000 lbs. of native straw or hay; and, P. Straw bales or silt fences as required on the slopes during construction to prevent excessive erosion from surface runoff. 6.4 Vegetation • The establishment of vegetative growth is an importantpart of the closure-cover system, serving to minimize-erosion _off of the final cover. The staff of the U.S. Soil Conservation Service (SCS) office in Longmont, Colorado were contacted for recommendations on establishing an enduring vegetative cover on the landfill. Golder Associates September 1991 54 913-2324.003 6.4.1 Fertilization The SCS recommended that soil testing be carried out on site soils to be used as topsoil to determine the nutrient content of the soils and recommend-fertilizer types andapplication rates. At a minimum, 40 pounds per acrexach of nitrogenandphosphorus should be applied to prepare the soil for planting. This material should be disced into the upper four inches of the soil. 6.4.2 eedinz The grass species to he seeded and the application-rates are listed in Table-6-1. These species were_recommended by the-SCS based on climate, soil conditions,and surrounding vegetation in the-vicinity of the landfill site. The seeding rates presented are tased on pure live seed; therefore, the-actual amount of seed applied should be Lased on-the percent purity of the seed purchased. According-to the SCS, the recommended seeding time for the regionis between October 15 and March 30. If possible, a grass drill will be used to plant the seed. The seed should be applied at-the rates shown en Table 6-1 and should be tilled as much on contour as possible. TABLE 6-1 CLOSURE COVER SEED 'IMMURE AND APPLICATION RATE • Dolled Rate Specter Percent of Mixture lbs:_PLS/acre,::: Western Wheatgrass 50 Pr.0 Side Oats Grama 20 1.8 Buffalo Grass 15 OS Blue Grama 15 0.5 . *PLS =Titre Live Seed Golder As-atiates _September 1991 55 913-2324.003 x.4.3 Stabilization The SCS recommends stabilization of the planted seed by immediate application of mulch in the form of native straw or hay. Mulch shall be applied at a rate of 4000 pounds per acre and crimped into the soil on contour. On the outer slope of the surface water diversion berms, where slopes will be 2H:IV, the SCS recommends placing erosion net over the mulch to provide added stability. 6.4.4 Landscaping A conceptual landscaping plan has been prepared for the final cover. Landscaping will consist of planting drought resistent native shrubs on the outer slopes of surface water diversion berms as shown on Sheet 24 of the design drawings. Golder Associates September 1991 56 913-2324.003 7.0 POST-CLOSURE PLAN 7.1 eneral The post-closure care period will continuefor fifteen yearsafter the date ofcompleting the final closure cover of the landfill. The site is expected to remain in a vegetated, undeveloped condition throughout the-post-closure period. Any other post-closure use of the site which may be planned or proposed will be designed such that the integrity of the final cover is not disturbed. Post-closure care activities consist of the following: D. inspection and repair of the cover as necessary to correct the effects of settlement,subsidence, surface cracking, and erosion; * IMaintenance and-operation of the groundwater-monitoring system; and, Maintenance and operation-of the gas management system. 7.2 Soil Erosion and Sediment Control The sediment basin, located as shown on Sheet 17, will control runoff and sedimentation from the site. The basin is designed to route the runoff from the 100 year, 24-hour storm event. Discharge from the basin is directed to an existing drainage feature at the property boundary. r The basin has also been designed to collect sediment from the site. The-basin will be cleaned whenever the sediment reaches the maximum sediment elevation of 5096 ft.-NGVD. The basin will be cleaned using a dragline, clamshell, or dredge, or drained and excavated using a backhoe, front-end loader, bulldozer, or other equipment. Golder Associates September 1991 57 913-2324.003 Details of the sediment basin design are presented in Appendix 7. 7.3 Groundwater Monitoring Plan A groundwater monitoring program has been developedfbr the redesigned South Landfill. The primary objective of the plan is to detect changes in naturalgroundwater quality resulting from landfilling activities at the facility. The program was designed to meet or'exceed monitoring requirements set forth by the GDH. The groundwater monitoring-plan was prepared by Doty & Associates and submitted to the CDH_under separate cover. 7A Gas Management System Laidlaw will continue to operate the gas management system during the post-closure period as long as sufficient quantities of methane are produced by the landfill. As the generation of - - methane decreases in portions of the landfill, gas wells in these portions of the landfill will be shut down. When the entire gas management system is shut down, gas vents will be2dded to the top of each gas well to allow residual gas to'escape from the landfill. 73 Access Control Site security will be maintained throughout the fifteen year lost-closure period. Upon completion of final closure activities,access to the facility will be restricted. Security devices will include the existing eight foot tall rnesh fence and warning signs. 1.5 Inspections Thorough inspections will be made by Laidlaw personnel or a retained consultant for the duration of the post-closure period. Inspections will be made on a monthly schedule for the first two years of the post-closure period, quarterly for the next three years, and -annually for the Golder Associates September 1991 58 913-2324.003 remaining ten years. Inspections will determine the need for additional maintenance or other corrective measures needed to preserve the integrity of the closure system. Each inspection will be documented and shall include, at a minimum, the bellowing information: date and time of inspection, name-of_inspector, notation of observations made; and nature of corrective actions to be taken. A written report detailing the post-closure inspections and maintenance will be submitted to the Weld County Health Department and the Colorado Department of Health on asemi-annual basis. 7/ Site Maintenance The integrity of the final closure cover system will be maintained throughout the post-closure period. The vegetative cover}aver the site will be maintained by mowing one to two times per year, and as needed to control weed growth and limit the-potential for grass fires. This-should prevent the growth of weeds or rooting of brush species that could undermine She integrity of the closure -cover. Areas of She final cover over which grass cover has become significantly reduced will beseseeded as necessary. Any significant gullies-or depressions which develop will be promptly repaired. The maintenance of the surface water drainage system will include, as necessary, mowing of grassed channels; cleaning of channels and cover benches to keep Mem clear of silt, weeds,and other debris; and repair of erosion damage to berms, cover benches, or channels. Maintenance will also include_clean-out of the sediment basin as discussed in Section 7.2. Fences, gates, and locks around the site will be monitored and repaired as necessary. Golder Associates Boulder Valley Soil Conservation District 9595 Nelson Road, Box D - Longmont. CO 80501 - Phone (303) 776-4034 September 1, 19-92 Mr. David L. O'Sadnick, P.E. Tolder Associates Inc. 200 Union Boulevard, Suite 100 Lakewood, CO 80228 Re: Reclamation Details, Denver Regional Landfill (South) , Weld County, Colorado Dear Mr. O'Sadnick: We reviewed the information sent in your letter dated August 25, 1992 showing that a reclamation plan -has been developed. If the plan is followed, an adequate stand of grass should be established within _three years after planting. Sincerely, &tie -mze4 Cathy Miller President CM:r CONSERVATION - DEVELOPMENT - SELF-GOVERNMENT ROY ROM 2 ',a Governor 3n,1,rng, Denver a /YC/ (./o3;7276015 PATRICIA A. NOLAN, MD, MPH Ptarmigan Place. Denver (303) 320.1529 Executive Director Frs Va[onal Bank Budding. Denver CP l 3/ (303)355/6539 541 Hazardous Materials and Waste Management Division Grand Junction Office COLORADO 4210 East 11th Avenue (303)248.7198 W1-ORADM O Denver, Colorado 80220-3716 Pueblo Office DEPARTMENT (303) 331-4830/ FAX (303) 331-1401 (719)543-8441 OFAHEALTH August 12, 1992 Dave O Sadnick Golder Associates Inc. 200 Union Boulevard, Suite 100 Lakewood, Colorado 80228 RE: Non-Destructive Testing Prnreriiires Quality Assurance for Soil and Rock Liner Components Denver Regional Landfill (South), Weld County Dear Mr. O 'Sadnick: The Hazardous Materials and Waste Management Division (the Division) of the Colorado Department of Health has reviewed the documents submitted regarding nondestructive testing procedures and the-request to modify the quality assurance manual forsoils and rock components of lining and leachate management systems for the Denver Regional Landfill (South). The review of the document was performed under the authority of the "Solid Waste Disposal Sites and Facilities Art," Tide 30, Article 20, Part 1 of the Colorado Revised Statues, as-amended (the Statute), and the "Regulations P-ertaining to Solid Waste DisposalSites and Facilities." The Regulations were adopted for the implementationof the Statute and are contained in -the Colorado Code of Regulations, 6 CCR 1007-2 (the Regulations). The Division approves_the non-destructive test procedures and the proposed changes to the quality assurance for soiland rock liner-components with the following modifications: SOIL &&N-)ROCK LINER COMPONENTS Though not specifically stated in the tables, it is presumed that the clay cap receives the same frequency of testing as the clay liner. TABLE 1 1. The unified soil classand natural-moisture content shall be performed for soil material evaluation. TABLE 3 1. The standard proctor shallbe performed at a frequency of one per soil source and one per 5000 cubic yards (iy) of material, whichever provides the-most data. ®p,.,.s....avddv+r• Dave O ' Sadnick Denver Regional Landfill (South) August 12, 1992 page 2 2. Atterberg limits, grain size analysis,unified soil class, natural moisture c:;:itcnt and hydraulic conductivity shall be performed per proctor. 3. Permeability (ASTM D5084) shall be performed per 5000 cy of clay liner placed. 4. Grain size shall be performed at a frequency of 3000 cy of drainage material placed or one per source, whichever provides the most data. NON-DESTRUCTIVE TEST PROCEDURES 1. The maximum allowable loss of air pressure for the air pressure testing technique shallbe no greater than3 psi and the pressure shall stabilize within the five minute testing period. The Division requests that the test fill document, which details the construction procedures that will be utilized during liner placement, be submitted for review and approval prior to initiating liner construction. I may be contacted at this office if you have any additional questions. Sincerely, . 1 6(\ • \C:c7 Austin N. Buckingham Geologist Solid Waste and Incident Management Section Ha'ardous Materials and Waste Management Division cc: B. Doty, Doty and Associates R. Hoffman, Laidlaw Waste Systems, Inc. J. Pickle,'Weld County Health Department S. Schreiber, Laidlaw Waste Systems, Inc. L Swanson, Weld County Department of Planning Weld County Commissioners file: SW/WLD/LAI South Golder Associates Inc. 200 Union 3culevcrc.Suite +C0 era V li�f,e,,.,4 laxewocc.CO U5.? ^223(3031930-05C �AsSodates ieiecnona(303)c80-J5 Fcx(203)985-2030 NON-DESTRUCTIVE TESTING PROCEDURES DENVER REGIONAL LANDFILL (SOUTH) WELD COUNTY, COLORADO Prepared for: Laidlaw Waste Systems, Inc. 2340 South Arlington Heights Road, Suite 230 Arlington Heights, Illinois 60005 Prepared by: Golder Associates Inc. 200 Union Blvd., Suite 100 Lakewood, Colorado 80228 Distribution: • May 1992 923-2457 CFrCES IN!-USTR.=i_L. CAN, SE?M?N, .-iwG,W.li? L , ,.Piir : <iNGCO Vt N1E ___ S�io May 1992 -1- 923-2457 1.0 PROCEDURE FOR AIR PRESSURE TESTING This test will provide a nondestructive evaluation of the integrity of geomembrane seams made by the double fusion weld technique. The presence of the unwelded channel between the two distinct seamed regions allows for inflation of the sealed channel with air to a predetermined pressure. The tightness of the pressurized air channel over time is noted and recorded. If air pressure cannot be maintained, a leak in the seam is found and corrective actions will be taken. Air pressure testing, repair procedures, and retesting will be recorded and made part of the CQA Report. The double fusion weld technique leaves an air channel between the two seam tracks. Both ends of the air channel will be sealed and then a hollow needle with attached pressure gage will be inserted into the air space. Air pressure will be applied and the gage monitored for excessive air pressure drop. The channel will be pressurized initially from 27 to 30 psi. Monitoring time will be a minimum of 5 minutes. Maximum allowable loss of air pressure will be 4 psi. Wide mouth vice grips will be used to lock-off the sealed ends. A hollow needle with a properly functioning pressure-gage will be used to insert air into the open channel and monitor air pressure. An air pump capable of generating andsustaining the required air pressures will be used. The pump will not be attached while the air pressure is being monitored. The procedure for conducting the non-destructive test on a double fusion seam will be as follows: 1. After making the desired dual track seam and deciding upon the length of seam that is to be evaluated, the two ends of the continuous air channel will be sealed off. 2. Both ends of the air channel will be clamped with wide-mouth vice grips so as to form an air-tight seal at both ends of the channel. The wide- mouth vice grips can remain in place throughout the test or be removed as the installer sees fit. 3. Insert the air pressure needle into the air channel. 4. Connect an air pump to the pressure gage and pressurize the air channel. For 60 mil HDPE, the air channel can be pressurized between 27 and 30 psi. The pressure will be maintained with the air pump connected during a two minute stabilization period. 5. Disconnect the air pump. Observe theair pressure gage for a minimum of 5 minutes. Record the time and pressure of the beginning and end of the test. The maximum allowable pressure drop should not exceed 4 psi. Golder Associates May 1992 -2- 923-2457 6. If the pressure does not drop below the above value after the minimum five minutes test period, the air channel will be cut open at the end away from the pressure gage. Air should rush out and the pressure gage should register an immediate drop in_pressure, indicating that the entire length of the seam has been tested. If this does not happen, the air channel is blocked. The seam will then be walked to look and feel for.the location of the blockage. The channel will be inflated up to the point of blockage. The air channel on the gage side of the blockage will be cut and the pressure loss verified. The weld will then be inflated from the far side. If the pressure holds, the seam will be cut at just prior to the blockage and the pressure drop verified. All cuts and seal small holes will be patched with extrudate from a filet extrusion seam device. 7. For a pressure drop greater than the above value, the end of the seals will be checked and resealed. Leaks around the end seals and air pressure insertion needle will be located by putting moisture around the suspected area and looking for bubbles to occur. 8. If the problem is not located, peel tests will be performed at the beginning and end of the seam to determine seam strength. 9. If the seam strength is inadequate, the edge of the loose flap of the upper sheet (which extends beyond the outer track) will be extrusion fillet welded to the bottom sheet. Thus the extrusion fillet weld becomes the primary seam. It will then be vacuum box tested until satisfactory performance is obtained. 10. If the seam passes the destructive tests, the leak is looked for by vacuum box testing the outer track of the seam. If a leak is found, it will be repaired by extrusion fillet welding. 11. If no leak is found in the track and all other leak location possibilities have been eliminated, the leak is assumed to be in the inner track. since this inner track is for the purpose of air channel testing only, it is redundant and can be ignored. The single good outer track is adequate and will be accepted as such. 2.0 PROCEDURE FOR VACUUM TESTING In those locations where extrusion welding is used, all of the welding will be vacuum tested except in areas inaccessible to a vacuum box. Defects found will be repaired and tested. Vacuum testing, repair procedures, and retesting will be recorded and made part 9f the CQA Report. Areas that can not be vacuum box tested will be capped and extrusion welded. Golder Associates cotaer Associares May 1992 -3- 923-2457 The procedure that will be followed for vacuum testing will conform to the procedure identified in ASTM Designation D4437-84 "Determining the Integrity of Field Seams Used in Joining Flexible Polymeric Sheet Geomembranes." This procedure will be followed with two exceptions. First, the vacuum pressure applied to the vacuum box will not be less than 5 psi which is accordance with the current EPA specifications given in guidance memorandum, "Use of Construction Quality Assurance (CQA) Programs and Control of Stress Cracking in Flexible Membrane Liner's Seams," rather than the 4 to 8 inches of mercury (approximately 2 psi to 4 psi) as indicated m the ASTM D4437-84 standard. Second, a dwell time of 15 seconds will be used in accordance with the EPA current guidance. There is no designated dwell time in the ASTM D4437-84 standard. The procedure will be as follows: All seams welded using the extrusion process will be inspected for unbonded areas by applying a vacuum to a soaped section of the seam. The vacuum will be applied by a vacuum box equipped with a vacuum gage, a clear glass view panel in the top, and a soft rubber gasket on the periphery of the open bottom. A section of the seam will be thoroughly soaped and the inspection box placed over the soaped seam section, and the gasket sealed to the liner. A vacuum of not less than 5 psi will be applied to the box by use of a vacuum pump. The vacuum will be applied for a minimum dwell time of fifteen (15) seconds. The applied vacuum will show bubbles over unbonded areas; the unbonded areas shall then be marked for repair. Golder Associates jorafferff LAIDLAW WASTE SYSTEMS INC. DENVER REGIONAL LANDFILL August 28, 1992 Mr. John S. Pickle, M.S.E.H. Weld County Department of Health 1517 - 16 Avenue Court Greeley, Colorado 80631 Subject: Conditions 3e and 3g, Use by Special Review #972 Denver Regional Landfill (South) Dear Mr. Pickle: With this letter we are submitting the following documents in order to satisfy conditions 3e and 3g of the above referenced permit. 1. Application for Air Pollution Emission Permit or Permit Modification, Permit No. 12WE652F, April 23 , 1992 . 2 . Air Pollution Emission Notice (APEN) and Control Plan for Fugitive Particulate Emissions, Permit No. 12WE652F, April 23 , 1992 . 3 . Emission Permit No. 12WE653F, Modification No. 2 , July 20, 1992 . 4 . Notice of Start-up, Permit No. 12WE652F, August 24 , 1992 . Items 1 and 2 are submitted for your review and approval as required by condition 3e. If the fugitive dust control plan is acceptable to you, please provide a letter to that effect so that we have evidence of your approval. Items 3 and 4 are submitted as evidence that an air emissions permit has been obtained from the Air Pollution Control Division of the Colorado Department of Health, as required by condition 3g. Thank you for your attention to this matter. Sincerely, LAIDLAW WASTE SYSTEMS, INC. Rick Hoffman Division Manager 1441 WELD COUNTY ROAD 6, P.O. BOX 320, ERIE, COLORADO 80516 (303) 673-9431 APPLICATION FOR AIR POLLUTION EMISSION PERMIT OR PERMIT MODIFICATION his application must be filled out completely except for #14 & #15; otherwise, application ill be considered incomplete - SEE INSTRUCTIONS ON REVERSE SIDE. Mail completed application, PENs, and filing fee to: Stationary Sources Program, Air Pollution Control Division, olorado Department of Health, 4210 East 11th Avenue, Denver, Colorado 80220. • PERMIT TO BE ISSUED TO:. 12WE652F Laidlaw Waste Systems, Inc. Denver Regional Landfill (South) . MAILING ADDRESS: P.O. Box 320 State:Colorado Erie ZIP CODE: 80516 • AGENT FOR SERVICE (See No. 3 on reverse) ; N/A a. GENERAL NATURE OF BUSINESS: 4b. SIC Code: Sanitary Landfill 4953 a. AIR POLLUTION SOURCE DESCRIPTION: 5b. Days per year source will operate: Disposal of Sanitary Waste & Fly Ash 365 a. SOURCE LOCATION ADDRESS: Check if map included: 6b. UTM Coordinates Weld County Road 6 (in km) : Et/2,NW1/4 It W1/2, NE1/4,Sec 29,BMW,TIN,eh PM COUNTY Weld H . VBMW, . ESTIMATED COSTS: Air Pollution Control Procedures or Equipment: a. Source, Process Equipment or Project: 7b. Capital Cost: $ Annualized:$ Cost:$ Annualized:$ 100, 000 7c. Operating Cost $ 50 . 000 /yr. a. STATUS ❑ New Air Pollution Source Greater ® Existing Source Change (Control equipment added, process change, etc.) : Disposal Rate ❑ Other: Projected .Dates for Construction to: Projected Source Startup Date: 8b. Beain:l JAN 19888c. End31 DEC 2007 8d. 1 JAN 1988 . Enclose check to cover APEN FILING FEES. One APEN should be filed for each emission point: 1 APENs @ $60.00. per APEN - $ 60. 00 0. SIGNATURE OF LEGALLY AUTHORIZED PERSON (NOT vendor Ila. DATE SIGNED: lib. TELEPHONE NO. : or equipment manufacturer): (303) 673-9431 4- 23-92- 2. Type or print name and official title of .e.son signing item 10. Agency Use Only 14. DATE RECEIVED Rick Hoffman, Division Manager 3. Check appropriate box if you want: / a. O Copy of preliminary analysis conducted by Division • b. ❑ To review a draft of the permit prior to issuance? NOTE: Checking either item could result in. increased fees 15•• PERMIT NUMBER or processing time. See Reverse. PCD:SSP:2000 (Rev. 1/84) INSTRUCTIONS FOR THE COMPLETION OF AN APPLICATION FOR AN AIR POLLUTION EMISSION PERMIT The following instructions for the completion of the Application for Emission Permit are titled, lettered, and numbered the same as the applicable sections of the form on the other side. If a section does not apply, write "N/A": DO NOT LEAVE BLANK. NOTE: All information submitted as part of this permit application and all data generated by the Division as part of processing this permit will be considered open to the public unless confidential treatment is requested in writing in accordance with CRS 1973. 24-7-201, et.seq., and CRS 1973, 25-7-132. All such materials MUST be (1) clearly marked "CONFIDENTIAL" and (2) enclosed In a separate sealed envelop marked "CONFIDENTIAL INFORMATION" to ensure against accidental release. Confidentiality is granted only if the release of such infor- mation would result In economic disadvantage to the applicant. If confidentiality is requested, the Division will notify you of its decision and, if denied, allow time for you to present additional evidence justifying the need for confidentiality. In general, confidentiality requests will increase permit processing time. Under no circumstances can emissions data be held confidential. 1. PERMIT ISSUED TO: List the name of the person (e.g., corporation, partnership, association, individual owner, or governmental agency) to whom the permit is to be issued and who will therefore be responsible for the operation of the source. 3. AGENT FOR SERVICE: This is the person or company legally responsible for all permit actions; this name is filed with the Colorado Secretary of State. If there is no "Agent for Service", write "N/A". 4. GENERAL NATURE OF BUSINESS: List the business activity (meat packer, saw mill,furniture manufacturer, commercial printing, tire retreading, etc.). Also, list the Standard industrial Classification (S.I.C.) for this type of business activity. 5. AIR POLLUTION SOURCE: List cannon name of: a. Source: This includes any building, facility, structure, installation, con- struction or other activity, machine, equipment or device, the use of which may cause the emission of air pollutants; AND (if applicable). b. Air Pollution Control Equipment: This includes any article, machine, equipment, contrivance, or procedure the use of which may eliminate, reduce, or control the emission of air pollutants. NOTE: More than one Air Pollutant Emission Notice (APEN) may be needed with this application, since the application may be for the entire source or project, while a separate APEN is required for each separate emission source at this location. If there Is more than one stack, vent, or other emission point at this site, include a plot plan showing each emission point. 6. SOURCE ADDRESS: Do not give a P. O. Box; this is for the physical location of the source. Please Include a map which Indicates the exact location and shows major topographic features. If the source is portable, include the locations and dates where source will be operated during duration of permit (if known); otherwise, list first operating location. Whenever a portable source is to be operated at a new location for more than 30 days and that relocation has not already been reported to the Division, the applicant must submit a revised APEN showing the new location and a S40 filing fee. 7. ESTIMATED COSTS: Enter estimated annualized cost (or separate capital and operating costs) of Air Pollution Control Equipment and for the Source as described under 5 above. 8d. ESTIMATED START-UP DATE: This estimated date allows the Division to anticipate when the required Inspection for final approval will be conducted. If the project consists solely of an activity, e.g., land development, the dates in items 8b and 8d will be the same. NOTE: Operation prior to receipt of a permit is prohibited by Colorado Regulation. 9. APEN FILING FEE: Pay only $60.00 filing fee per APEN at this time. Initial and Final Approval Fees will be assessed during processing and will be requested by separate letter. 13a. The cost of copying and mailing the analysis will be charged to the applicant. Pro- cessing delays may occur if there are questions regarding the analysis. 13b. Review requests will usually add to both processing costs and processing time. The Division will consider the request an official extension of the processing deadlines specified by the Act. The extension will consist of the number of days elapsed between Division mailing of the draft permit to the applicant and receipt of the applicant's comments by the Division, not to exceed 15 days. However, the Division is not bound to consider any comments received after the 15 day time period lapses, unless both the Division and the applicant agree to a further extension of the pro- cessing deadlines. Any additional time and charges incurred by the Division in pro- viding a draft and correspondence with the applicant will be billed to the applicant. p pl? :6/F—ter.s`- ..7s PERMIT NO: 12 WE 6 5 2 F it e.�i�,.y�. AIR POLLUTION EMISSION NOTICE (APEJJ) 1876 e AND WNTROL PLAN FUR FUGITIVE PARTICULATE EMISSIONS Name of Firm Laidlaw Waste Systems, Inc. Mail Address P. O. Box 320 ; Erie, Colorado Zip Code 80516 Contact Person Rick Hoffman Phone Number (303) 673-9431 E1/2,NWI/4 do WI/2,NE 1/4, Project rication SEC 29rR68W,TIN,6«PM County Weld WM coordinates (if )mown) Description of Activity Landfillinq of Municipal Refuse and Fly Ash No. of Employees 22 Property Area 150 Acres • Seasonal Throughput (X of Annual): Dec-Feb 25 % Mar-May 25 % Jun-Aug 25 X Sep-Nov 25 % Est. Starting Date 1988 Est. Date of Completion 2007 Work Schedule: 24 hours/day, 7 days/week, 52 weeks/year Est. Annual Production1, 250 , 000tons/vr(cirrle one) Rock, rnnl, COthe . Total of 1, 250, 000 tons/yr. consists of 1, 050, 000 tons of refuse and 200, 000 ton fly ash. / Si mature of Person Authorized to Supply Data . Typed or Printed Name and Title Rick Hoffman, 'Division Manager Date 4- - 23-?a . Company Name Laidlaw Waste Systems, Inc. Telephone No. (303) 673-9431 Mailing Address P. O. Box 320; Erie, Colorado 80516 A site diagram should also be submitted showing the general configuration of operation, and location of site. • (FUR OFFICE USE ONLY) ••ev is I ,a e I p“- 'n I c rtn ee...u.xe, r...,.. nen xc [w. _I. -TOPSOIL A. REMOVAL: • Cubic Yards Removed Per Year 11,400 Cubic Yards _Jays Per Year Required for Removal 50 _Days Proposed Controls for Topsoil Removal: (check appropriate boxes) L/ Moist Material 7X/ Water Spray L/ Other (specify) L/ No Control B. TOPSOIL 57YX7CPILE: Maximum Stored at One Time 35, 000 — Cubic Yards Ma ximzn Stored Per Year 35 000 Cubic Yards Ipcgth of Time Pile Remains Undisturbed12 months Proposed Controls for topsoil stockpile: (check appropriate boxes) L/ Watering Times/Day, or Continuous Sprinkler (to maintain moist surface) L/ Chemical Stabilizer (1)pe: LX/ Compacting of Piles, Method Scrapers L/ Enclosures: Complete, or Partial (check one) L/ Revegetation, (Length of Time Till Revegetation ) Other (specify) L/ No Control page 2 II. OVERBURDEN A. REMOVAL: Cubic Yards Removed Per Year S50, 000 Cubic Yards Days Per Year Required for Removal 264 Days Equipment Used for Removal Scrapers Proposed Controls for Overburden Removal: (check appropriate boxes) L/ Moist Material a/ Water Spray L/ Other (specify) L/ No Control R. OVERBURDEN STOCKPILE: Maximum Stored at One Time 1, 308 , 140 Cubic Yards Length of Time Pile Remains Undisturbed 1 Year Proposed Controls for Overburden Stockpile: (check appropriate boxes) Watering Times/Day, or Continuous Sprinkler (to maintain moist surface) L/ Chemical Stabilizer (Tyke ) Si Compacting of Piles, Method scrapers L/ Enclosures: Complete, or Partial (check one) L/ Revegetation, (Length of Time Till Revegetation ) L/ Other (specify) L/ No Control • page 3 III. DRILLING N/A (OTfERI (MATEZL4L:) OVE4BURDEV ROCK COAL No. of Holes Drilled Per Year No. of Days of Drilling Per Yr. Hours of Drilling Per Day Proposed Controls Controls include: Water Injection, Chemical Dust Suppressants, Bag Collectors Other (specify), No Control IV. BIACTING N/A WTh ) (MATE4IAL:) OVERBURDEN ROCK COAL Tons Removed By Blasting Per Year No. of Blasts Per Year No. of Blasting Days Per Year Proposed Controls Is Segential Blasting Used ? L/ Yes, L/ No (check one) V. RAW MAmUZ4L N/A A. RENAL: N/A (OTHER) (MATBRL4L): ROCK COAL Tons Removed Per Year Max. Tons Removed Per Day Equipment Used for Removal _Equipment Capacity (in Cubic Yards) En. Hours Per Year Required for Removal' Is Material Dry, Moist, or Wet? Specify moisture content _if Imoun(X) page 4 B. WADING 7N MO RAW MATERIAL STOCKPILE: N/A Method of loading in (Truck_Bottom Dzmip, Front End_Loader, -etc. ) Loading Schedule: tons/hr., hrs./day, days/year. Proposed Controls for MA-ding to Stockpile : Controls Include: Water Spray, Chemical Suppressants, full enclosure, partial enclosure, Other (specify), No Control C. RAW MATERL4L STt'CEPILE:N/A (01=) (MATERIAL): ROf7 O24L Maximum Tons Stored At Any One Time Length of Time Pile Remains Undisturbed Proposed Control: (check appropriate boxes) L/ Watering times/day, or Continuous Sprinkler (to maintain moist surfac-e) L/ Chemical stabilizer (Type ) L/ _Enclosures: Complete, or Partial (check one) L/ Other (specify) L/ No Control D. WADING OUT FROM RAW MATERIAL STCx7a'ILE: N/A Method of Tending out (Front-End Loader, Conveyor, etc.) Loading Schedule: tons/hr., hrs./day, days/year. Proposed Controls Controls Include: Water Spray, Chemical Suppressants, Other (specify), No control Pale 5 VI. ssr:G N/A Will processing (i.e. , :.r:sil.ing, screening, etc.) occur nnsite? L/ Yes L/ No (check one) Note: All process equipment requires a separate permit application end . .'tterial loaded into_arocessir, equipment ₹,y: Conveyor FA.ont -end Loader other CCNTROI.S f'R PRXEBSZIG Seclude: Moist _or Wet Materials if baocrn), Water Spray (Specify moisture Bars, Filters,1�e8 Filters, Other (Specify), No Control (List Processing Controls in the appropriate spaces below) A. PaRY CRUSHING:N/A timum Tons Crushed Per Year Tons ?tximcm Tons Crushed Per Hour Tons Hours of Crushing Per Day Hours ours Proposed Controls (see above) B. I.r1.SSIFYSNG:N/A Maxims Tans Screened Per = .`"' Tons ."aximuza Tons Screened Per Hour Tons Hours of Screening Per Dal, Hours Proposed Controls (see above) • C. SECONDARY CRUSHING: N/A Maximum Tons Crushed Per Year Tons Maximum Tons Crushed r Hour M.= Hours of Cushing Per Day Hours Proposed Controls (see above) page 6 D. RESCR ZING/LZ.4SSIFYING: N/A Maximum Tons Screened Per Year Tons Maximum Tons Screened Per Hour Tons Hours of_Rescreening Per_lay Hours Proposed Controls (see top of page 6) VII. CAWEYOR5/7RANSFfR POINTS A. CONVEYORS: N/-A Tons of Material Conveyed Per Year Tons Tons of Material Conveyed_Per Day Tons Proposed Controls Controls for Conveyors Include: 11211 Enclosure, Partial=Enclosure, Other (specify), No Control (Indicate on s separate diagram how conveyor system is set up) B. TRANS= POINTS: N/A !Amber of Transfer Points Proposed Controls Controls for Transfer Points Include: 1121.1 enclosure, _Partial £hclosure, Water Sprays, Chemical Suppresants, other (specify), No Controls • page 7 VIII. FINISHED PRODUCT N/A A. WADING IN 70 FSNISIED PRODIKT STOCKPILE: N/A Method -0f_Loading In (Front-End Loader, Conveyor, etc. ) If Conveyor is Used, What is Maximum Drop Height? Ft. Inading Schedule: tons/hr., hrs./day, days/year. Proposed Controls Controls for Invading -to Stockpile Include: Water Sprays, Total _nclosure, Partial Enclosure, Chemical Suppressants, Reduced Drop Height, Telescoping Chute, Other (specify) No Control B. FINISHED PRODUCT S7ixYCPILE: N/a Maximum Tons Stored at One Time Tons Length of Time Pile Remains Undisturbed Proposed Controls: (check appropriate boxes) L/ -Watering Times/Eay, or Continuous Sprinkler (to maintain moist surface) L/ Chemical Stabilizer (Applied According to Manufacturers Specifications) L/ Compacting of Piles, Method L/ Enclosures: Complete, or Partial (check one) L/ Reve-0etati-on, (Length of Time Till Revegetation L/ _Other (specify) L/ No Control C. _WADING OUT May S7t 1LE FOR FINAL TRANSPORT: N/A Method of Loading Out (Front-End Loader, Conveyor, etc.) If Conveyor is Used, What is Maximum Drop Height? Ft. Loading Schedule: tons/hr., hrs./day, days/year. • Proposed Controls Controls for Final Loadout Include: Water Sprays, Total Enclosure, Partial Enclosure, Moist Material, Other (specify), No Control page 8 f TICLE HAUL ROADS CONTROL ME4SURES FOR VEHICLE HAUL ROADS: (do not write in this section) 1. Watering (specify) times/day to maintain moist surface 2. Chemical Stabilization (according to_manufacturer's specifications) Specify: a. Frequency of application and b. Type of Stabilizer (Brand Name, or Composition) 3. Paving to be completed by (data). ). Gravel 5. No Control (List Haul Read Controls in the appropriate spaces below) A. TRANSPORT OF COVER SOIL FROM EXCAVATION OR STOCKPILE: Distance (one way) 1/4 Mile If Stockpile is DffSite, Give Distance From Removal Site to Mine Entrance Haul Vehicle Capacity lb Yards No. of Wheels -4 Average Vehicle Speed 15 M.P.H. (cannot exceed _36 m.p.h) No. of Trips Per Day 75 Haul -Road Silt Content (i-f )mown) — X List Controls For Raw Materials Transport: (See Control Measures Above) Proposed_Controls: Roads are -heavily -compacted by traffic & routinely maintained. Roads are watered -as needed with 1/2" per week. page 9 B. REFUSE TRANSPORT (ON SITE): 1. Haul Trucks: Pty No. of No. of No. Tri Capacity -Weight Trucks Ps Avg, Speed Wheels Per Day ON SITE 1. 3 yds. 6, 0110 l2r 4 1 15 mph 2. 25 yds. 2$ ,1)00 36 18 1 15 mph 3. 30 yds. 38 , 00_O 50 1_O - 1 15 mph 4. 32 yds. 40, 00-0 200 10 5. 60 Yds. 1 15 mph 35, 0_00 75 18 1 Lymph 2. Haul Road Information for Final Transaort On-Site Haul Roads Distance (one Tway) 1/4 Mile Haul Road Silt Content (if known) -- List Controls For Finished Product Trans rt: (See Control Measures Page 9) Proposed Controls: All loads are covered. -Haul toads are heavily comtiacted 1�v traffic routinely maintained Roads are watered as needed faith 1/2 inch per week. C. Other Roads On-Site: N/A What is Road Length of Used for? Road? (Distance) Controls From ID---- To See Page S) 1. 3. D. OFF SITE UNPAVED ROADS:N/A Distance (one way) Average Vehicle Speed M.P.H. No. of Trips Per Day Haul Road Silt Content (if known) _X List Controls For Off-Site Unpaved Roads: (See Central Measures Page -9) Proposed Controls: Page 10 XI. SITE DISTURBANCE Estimated Total Disturbed Acreage Subject to Wind Erosion 22 Acres Proposed Controls: (check appropriate boxes) Zg/ Restrict Traffic to Established Roads Where Practicable a/ Minimize Area of Disturbance (explain) All areas not being actively filled are covered with compacted soil . zg/ Revegetation With: Native Grasses Time till J2evegetation Approximately one year a/ Mulch L/ Watering Times/Day, or Continuous_Sprinkler (to maintain moist surface) L/ Chemical Stabilizers Q{/ Other (specify) Compacted with £heepsfaot Wheeled Compactors L/ No Control Comments: Application is for revision of existing Permit for increased disposal rate at the landfill. All trucks arriving at the site are covered until unloaded. Both refuse & fly ash are unloaded in the same area (approx 2,D00 sq.₹'t. ) . Ash is moist as received (moisture content >1-2t) . Ash is covered with refuse or soil within on-e hour. All refuse is covered with compacted soil on a dail basis. Cover soil is obtained from stock 'le or excavation, moved to the working face and placed as a thin lift over the refuse usir scra ers. • Mail completed form and $40.00 filing fee to: Colorado_Department of Health Air Pollution Control Division 4210 East 11th Avenue Denver, Colorado 80220 • (303) 331-8576 • (AFC-NM/dp-1 5/20/87) page 11 STATE OF cOLORADO COLORADO DEPARTMENT OF HEALTH of Soto AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 331-8576 ems + 1876 EMISSION PERMIT PERMIT NO: 12WE652F FINAL APPROVAL DATE ISSUED: JULY 20, 1992 Modification No. 2 ISSUED TO: LAIDLAW WASTE SYSTEMS (COLORADO), INC. THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Non-hazardous materials landfill located 1/4 mile west of Weld County Road 5 and south of Weld County Road S in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Site preparation on 160 acres (aka Erie property) and an additional 35 acre site (aka the Pratt property) directly adjacent-to and east of the Erie property. Landfill activities include excavation, stockpiling, and placement of fill material, placement of refuse and flyash, site disturbance, and vehicle haulroads. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CDNT-ROL COMMISSION AND THE COLORADO AIR QUALITY CONTROL ACT C.R.S. (25-7-101 et sect), TO THOSE GENERAL TERMS AND CONDITIONS SETTORTH ON THE REVERSE SIDE OF THIS DOCUMENT-ANDTHE FOLLOWING SPECIFIC TERMS AND CONDITIONS: 1. The particulate emission control measures listed on the attached page (as proposed in the Particulate Emission Control Plan submitted to the Division) shall be applied to-the particulate emission producing sources as required by Regulation No. 1. 2. The amendment is granted upon the assertionby the applicant that no new-hazardous materials will be deposited on the Pratt property and there will be no increase in the deposition Tate already permitted at the Erie property landfill which could result in an increase in fugitive particulate emissions from the combined properties. w LAIDLAW 2220/79/1 JUL 2 71992 DENVER LANDFILL,#534 GENERAL TERMS AND CONDITIONS: (IMPORTANT! READ ITEMS 6,7 AND 8) 1. This permit is issued in reliance upon the accuracy and completeness of information supplied by the.applicantend is conditioned upon conduction of the activity, or construction, installation and operation of the source, in accordance with this information and with representations made by the applicant or applicant's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. • 2. Unless specifically stated otherwise,the general and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114(4)(g), C.R.S.and,as such, shall be enforceable under the provisions of Section 25-7-115,C.R.S.,the Clean Air Act, 42 USC Section 7502(b)(3); and Air Quality Control Commission Regulation No.3 Section IV.D.2.or(2) result in an exceedance of the NAAQS for pollutants as required by Sections 25-7-105(1)(A)(1)-end 201(1)(b), C.R.S., of the Clean Air Act; 42 USC Section 7476(a)(3); and Air Quality-Control Commission Regulation No. 3, Section IV.D.1.c. 3. Each and-every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of, a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio. This permit maybe revoked at any time prior to final approval by the Air Pollution Control Division(APCD)on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of thepermit. 4. This permit-and any required attachments must be retained and made available for inspection upon request at the location set forth herein. With respect to a portable source which is moved to a new location, a copy of the revised Air Pollutant Emissions Notice (APEN) (required by law to be submitted to the APCD whenever a portable source is relocated) should be attached to thispermit. The permit may be reissued to a new owner by the-A-PCD as provided in AQCC Regulation No. 3 Section III.6.ypon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 5. Issuance(initial approval) of an emission permit-does not provide "final" authority for this activity or operation of this source. Final approval of thepermit must be secured from the APCD in writing in accordance with the provisions of 25-7-114(41(j) C:R.S.and AQCC Regulation No. 3, Section IV.H. Final approval cannotbe granted until the operation or activity commences and has been verified by the APOO as conforming in all respects with the conditions of the permit. If the APCD so determines,it will provide written documentation of such final approval, which does constitute 'final' authority to operate. 6. THIS PERMIT AUTOMATICALLY EXPIRES IF you (1) do-not commence construction or operation within 18 months after either the date of issuance of this permit or the date on which such construction-0r activity was scheduled to commence_as set forth in the permit, whichever is later; (2)biscontinue construction for_a period of 18 months or more; or (31 do not complete-construction within a reasonable time of the-estimated completion date. Extensions of the expiration date maybe granted by the APCD upon-a showing of goad cause by the permittee. 7. YOU MUST notify the APCD at least thirty days (fifteen-days for portable sources)prior to commencement of the permitted operation or activity. Failure to-do so is-a violation of Section 25-7.114(41(j), C.R.S.and AQCC Regulation No. 3, Section IV.H.1.,-endtan result in the revocation of the permit. 8. Section 25-7-114(5)(a), C.R.S. requires that all sources required to file-an Air Pollution_Emission Notice (APEN)must pay an annual fee to cover the costs of inspections-and administration. If a source or-activity is to bebiscontinued, the owner-must notify the Division in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate. 9. Violation of the terms of a permit which has received final approval or-of the provisions of the Colorado Air Quality Control Act or the regulations-of the AQCC may result inadministrative, civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), C.A.S. NOTICE OF START-UP THIRTY-DAY PRIOR NOTICE REQUIRED OF ALL SOLRCES Even with a permit you cannot legally commence operations or conduct an activity until 30 days after you have notified the Division of the start-up date (section 25-7-114(4) (j) of the Colorado Air Quality Act). In most cases, a permit is applied for and approved before the anticipated commencement date, so the 30 day prior notice causes no problems. • If, however, you plan to commence your operation or activity as soon as you receive the permit, you should estimate the date you etj.et.t to commence (assuming the permit is approved) and fill out and return this form at least thirty days prior to that date. This will avoids 30-day delay between receipt of the permit and commencement. Notification on he accomplished by completing the form -below and returning it to the Colorado Department. of Health, Air Pollution Control Division, Stationary Sources Program, 4210 F'Act 11th Avenue, _Denver, Colorado 80220. Please contact the Division immediately (303/331-8511 or 331-8576) if you have any questions or problems concerning this recuirement. PErZ^ITT NE BE /2 tic fo5Z F PROJECT DESCRIPTIav SA.1,na ev 2.cv..,b F,4t,.✓a /4 c.nw ne-c / ,.✓a a.tCA✓,477.04 S'7D[ntP'.,Sc A,✓7- R,a-.cw,cncr nF ,F,-c. /4',q ,A7 A2,q/.rf r7- of X-- us.c- _ • AA, 6.5.1 AS/4 / S ifr �/371.,2,4A�GC-: A.vb (/a7/'7ctc ,44ce .7J f+T S l ≤ /S /4"/ ©'V-Co/.✓A Opcea rp,✓ Operation of the emission source(s) to which the above permit number has been assigned is atpected to begin on and will be in full"_ operation by cq-a0,./6 DPce ano ✓ 11-41O1-.4r,/ L✓As-CSYs1b'/S%co ✓i,aN n 4fa�,-3/c So ,tV /'• 'Jo7'y CQ1PANY APPLICANT' N4JNE (PIS PRL'vT) Seiv..1A"'my' P �T)' "/ PERSON TT) COINTACT FUR VERIFICATION OF APPLICANT'S GVA START-LP DATE -Nn- 4 Au c•r'ATM (3o3) Z79-/j78( avic,/PA L TELEPHONE NUMBER OF CONTACT PERSON POSITION DR TITLE ez8/zd/q, DATE ROY ROMER Tekfa. thanker:: p � 4 / Main Building, Denver —7y f c Y v pr. Governor (303)322-9616 �,� • Ptarmigan Place, Denver /, r "at _`ry` PATRICIA A. NOLAN, MD, MPH (303)320-1529 /1 Executive Director First National Bank Building, Denver (303)355-6559 Hazardous Materials and Waste Management Division GrandJ 7198 Office • `at 4210 East 11th Avenue CO1 /3•RADO Denver,Colorado 80220.3716 Pueblo Office (303) 331-4830/FAX (303) 3314401 (719)543-8441 DEPARTMENT RFCEIVFD OFAHEALTH JUL 1 0 1992 July 7, 1992 Mr. Rick Hoffman DOTY R ASSOC. Denver Regional Landfill Laidlaw Waste Systems, Inc. 1441 Weld County Road 6 P.O. Box 320 Erie, Colorado 80516 RE: Special Waste Acceptance Plan Denver Regional Landfill (North and South) Weld, County Dear Mr. Hoffman: The Hazardous Materials and Waste Management Division of the Colorado Department of Health (the Division) has completed its review of the Special Waste Acceptance Plan received by this office on February 21, 1992. The plan was reviewed to assess its compliance with the minimum standards set forth in the Solid Waste Disposal Sites and Facilities Act, Title 30, Article 20, part 1, C.R.S. as amended, and the regulations promulgated thereunder, 6 CCR 1007-2 (the Regulations) . The Division in its review, feels that the Special Waste Acceptance Plan meets the minimum standards set forth in the regulations. The Division's approval of the plan is contingent upon the following recommendations: 1. Print shop, Paint shop, Dry cleaning and Vehicle maintenance special wastes may contain constituents that are reactive. As such, these wastes should be analyzed for RCRA Reactivity. 2 . Unless the substance is known, TCLP and\or a constituent analysis may be required for off specification products and product solvent contaminated soils. 3 . Table 1 should be revised to reflect points 1 and 2 as stated above. 4. Immediately upon receipt of non-friable asbestos -waste, the waste will be covered with a minimum of six (6) inches of non-asbestos material (as required by Section 8 .2 . 1) . ®pnnudon recycled paper Rick Hoffman July 7 , 1992 2 The Division requests that these recommendations be incorporated into the Special Waste Acceptance Plan. In addition, the Division requests written concurrence by the Applicant on all recommendations outlined above. Also, provide the Division with a final copy of the plan. These conclude the Division's comments on the Special Waste Acceptance Plan. If you have questions regarding these comments please feel free to contact Austin Buckingham or Roger Doak at this office. Since ely, / ustin N.,Buc ingham I Roger Doak Geologist Geologist Hazardous Materials and Hazardous Materials and Waste Management Division Waste Management Division cc: R. Allison, Weld County Planning ✓B. Doty, Doty and Associates S. Hahn, Town of Erie W. Potter, Weld County Health Department file: SW/WLD/LAI North and South/Special Waste tti 41: DEPARTMENT OF HEALTH �\ 1517• 18 AVENUE COURT 1 GREELEY, COLORADO 80631 ADMINISTRATION (303)353-0586 HEALTH PROTECTION (303)353-0e35 • COMMUNITY HEALTH (303)353-0839 COLORADO July 24, 1992 Rick Hoffman Denver Regional Landfill Laidlaw Waste Systems, Inc. 1441 Weld County Road 6 P. 0. Box 32O Erie, Colorado 80516 Dear Mr. Hoffman: The Environmental Protection Division of the Weld County Health Department has completed its review of the Special Waste Acceptance Plan, February 13, 1992, and the Access Control Plan, July 6, 1992. The Division concurs with the review and recommendations of the Special Waste Acceptance Plan, July 7, 1992, submitted by the Hazardous Materials and Waste Management Division of the Colorado Department of Health. However, in addition to the Colorado Department of Health recommendations we request that a "Certificate of Disinfection" or an equivalent document denoting the location, date and time of disinfection accompany any biomedical waste to be disposed at this facility. This document must be kept on file and available in the Special Waste file for review as necessary. The Division request that this recommendation as well as the Colorado Department of Health recommendations be incorporated into the Special Waste Acceptance Plan. In addition, the Division requests that these recommendations be addressed in writing by the applicant, and that a final copy of the plan be forwarded to the Division. The Access Control Plan, July 6, 1992, has been reviewed and found to be satisfactory as submitted. If you have any questions regarding these comments, please contact me at (303) 353-0635. Sincerely, it Trevor Jiricek Environmental Protection Specialist Post-It"brand fax transmittal memo 7871 Nof psp.s • To TJ/jg-E1479 � Frown pr� D- \-� 1CV1 \40 Man co. Co l rairflnlil L (F- Dept. Phone 9431 X73' P.xPc)14 - 9Ie(p Fan 673. 99Sz- 54ffa5aa LAIDLAW WASTE SYSTEMS INC. DENVER REGIONAL LANDFILL August 20, 1992 Ms. Austin N. Buckingham Geologist Solid Waste & Incident Management Section Hazardous Materials & Waste Management Division Colorado Department of Health 4210 East 11th Avenue Denver, Colorado 80220 Subject: Special Waste Acceptance Plan Denver Regional Landfill (South) Dear Ms. Buckingham: As requested, we concur with the recommendations presented in your letter of July 7, 1992 . The plan has been revised to incorporate your recommendations and those of Weld County. Please find two copies of the Special Waste Acceptance Plan enclosed. Please call if you have questions or need additional information. Thank you. Sincerely, LAIDLAW WASTE SYSTEMS , INC. Rick Hof man Division Manager cc: John Pickle, Weld County Health, w/ attachment (1) 1441 WELD COUNTY ROAD 6, P.O. BOX 320, ERIE, COLORADO 80516 (303) 673-9431 SAI OO'4© LAIDLAW WASTE SYSTEMS INC. DENVER REGIONAL LANDFILL SPECIAL WASTE ACCEPTANCE PLAN DENVER REGIONAL LANDFILL (SOUTH) August 17 , 1992 1441 WELD COUNTY ROAD 6, P.O. BOX 320, ERIE, COLORADO 80516 (303) 673-9431 `foie/ Special Waste Acceptance Plan Denver Regional Landfill August 17 , 1992 Laidlaw Waste Systems, Inc. TABLE OF CONTENTS Page 1.D INTRODUCTION 1 2 .-0 DEFINITION OF SPECIAL WASTE 2 3 . 0 -TASTE CHARACTERIZATION & ACCEPTANCE 5 3 . 1 SPECIAL WASTE ACCEPTANCE APPLICATION 5 3 . 2 LAIDLAW EVALUATION OF WASTE CHARACTERISTICS . 7 4 . 0 SPECIAL DISPOSAL PROCEDURES 10 4 . 1 OFF-SPECIFICATION PRODUCTS 10 4 . 2 NONFRIABLE ASBESTOS 10 4 . 3 MEDICAL WASTES 12 4 . 4 COAL & OTHER FOSSIL FUEL ASH 12 4 . 5 CONTAMINATED SOIL 13 5 . 0 RECORD-KEEPING 14 _LIST OF TABLES Table 1. Special Wastes and Analytical Guidelines . . . 16 Table 2 . Waste Acceptance Characteristics 18 LIST OF ATTACHMENTS Attachment I. Special Waste Acceptance Application Attachment II. Sampling Information Form Attachment III. Special Waste Disposal Agreement Attachment IV. Transportation Form Attachment V. Special Waste Notification Form Attachment VI . Certificate of Disinfection -i- Special Waste Acceptance Plan Denver Regional Landfill August 17 , 1992 Laidlaw Waste Systems, Inc. 1. 0 INTRODUCTION This is a special waste acceptance plan applicable to the Denver Regional landfill (South) . The site is a eanitary landfill and is permitted to routinely accept non-hazardous, non-radioactive garbage, refuse and other solid discarded material including industrial, commercial, -agricultural, community, and residential wastes. -This plan defines special wastes, establishes methods of waste characterization and sets criteria for the acceptance of special waste for disposal at the site without additional review by the regulatory agencies. In addition, the plan presents disposal procedures for special wastes and describes the records maintained for disposal of special wastes. -1- Special Waste acceptance Plan Denver Regional Landfill August 17 , 1992 Laidlaw Waste Systems, Inc. 2 . 0 DEFINITION OF SPECIAL WASTE Special wastes are -any ton-hazardous solid -wastes that require specialized collection, handling, or disposal practices in order to manage them in an -environmentally sound manner or that require chemical characterization prior to disposal to -establish that they are not hazardous wastes. Specifically, -a waste material is a special waste if it -meets either of the following criteria. 1. The waste is listed on Table 1. 2 . 9The waste is -other than one of the specifically exempted wastes under the RCRA regulati-ons (40 C-FR 2-61. 4 (b) ) . The RCRA exempted wastes include household wast-es, solid waste from commercial or industrial sources that do not contain hazardous waste, and most farm and agricultural wastes. There are many special wastes that can be accepted for disposal in an environmentally sound manner. The following is a list of examples of special wastes; however, the list is not meant to be all inclusive. Examples of special wastes are as follows: o Sludges, o Waste from an industrial manufacturing process, o Waste from a pollution-control process, o Solid residual or debris from clean-up of a spill or release of a chemical substance, o Off-specification products, o Ash from combustion of municipal solid waste or medical wastes, o print shop wastes, o Paint spray booth wastes, -2- Special Waste Acceptance Plan Denver Regional Landfill August 17 , 1992 Laidlaw Waste Systems, Inc. o Dry cleaning wastes, o Medical wastes, o Asbestos containing wastes, o Fuel contaminated soils, o Demolition debris from industrial facilities, o Industrial equipment removed from service, o Grease trap wastes, o Absorbed wastes produced from maintenance of vehicles and equipment (e.g. , oil and anti-freeze) , o Ash from the combustion of coal or other fossil fuels for power or steam generation, o PCB containing wastes, and o empty containers. These materials and any other wastes that are not specifically exempted under RCRA must be characterized and formally accepted for disposal (as described in Section 3 of this plan) prior to acceptance at the landfill . The intent of this document is to describe the waste character- ization and acceptance procedures used at the Denver Regional Landfill so that individual approvals for each special waste will not be required from the Weld County Health Department and the Colorado Department of Health. However, it is recognized that certain special wastes will still require specific approv- als. One of these is sludges from potable water treatment plants (alum sludge) . Alum sludge will be accepted only after analyses as required in Section 12 of the Colorado Department of -3- Special Waste Acceptance Plan Denver Regional Landfill August 17 , 1992 Laidlaw Waste Systems, Inc. Health regulations are performed and specific regulatory approv- al is obtained. -4- Special Waste Acceptance Plan Denver Regional Landfill August 17 , 1992 Laidlaw Waste Systems, Inc. 3 . 0 WASTE CHARACTERIZATION & ACCEPTANCE All special wastes are carefully characterized prior to accep- tance at the Denver Regional Landfill. The first step in the characterization consists of preparation of the Special Waste Acceptance Application (SWAA) . The SWAA is then reviewed at the Regional Office (Arlington Heights, Illinois) and the waste characteristics are compared to established Laidlaw standards. In general, the waste acceptance standards are a minimum of twenty percent lower than the federal and state standards. If it is determined that the waste can be handled safely and that it is appropriate material for disposal at the site, the SWAA is approved and the landfill can accept the material . This process is described in more detail below. 3 . 1 SPECIAL WASTE ACCEPTANCE APPLICATION The SWAA (Attachment I) will be completed using the following guidelines. 1. The application will be complete and legible. All signa- tures will be present. Any additions or corrections to the signed SWAA will be initialed and dated. 2 . All information concerning the Generator will be provided. 3 . The General Material Description will contain sufficient information to give the reviewer a clear understanding of the nature of the waste. 4 . The Waste Quantity and Frequency of Receipt will be estimated as accurately as possible. 5 . The Process Generating Waste section will provide suffi- cient detail to allow an evaluation of whether the waste is a listed hazardous waste (specific or non-specific source) . Listed hazardous waste will not be accepted. -5- Special Waste Acceptance Plan Denver Regional Landfill August 17 , 1992 Laidlaw Waste Systems, Inc. 6. Laboratory analyses will be performed to characterize the waste, as appropriate, in order to complete the sections for Physical Properties, Chemical Properties and Other. Table 1 presents various special waste types together with the analyses required for their characterization. For many wastes, the first step in the characterization process involves checking that the waste is not a listed hazardous waste under 40 CFR 261. 31, 261. 32 and 261. 33 (List column on Table 1) . The laboratory report of any analyses will be attached to the SWAA and will contain the following: a) project description, b) results, c) analytical methods, d) chain of custody form, and e) quality assurance data. A Sampling Information Form (Attachment II) will be completed for any special waste sample. 7 . The Other Information section will be completed in its entirety, including the following. The method of delivery will be specified. Approval by local and state regulatory authorities will be indicated; however, the purpose of this plan is to set special waste acceptance criteria for which additional regulatory approvals are not required. Thus, regulatory approval will only be required for special wastes that exceed the acceptance criteria presented herein, but which are nonetheless believed to be appropriate for disposal at the Denver Regional Landfill. Material Safety Data Sheets (MSDS) will be provided for any of the following, when applicable: o Laboratory wastes, o Empty containers, o Industrial equipment removed from service (for chemi- cals used in the equipment) , o Off-specification products, o Spill residues, -6- Special Waste Acceptance Plan Denver -Regional Landfill August 17, 1992 Laidlaw Waste Systems, Inc. o Paint wastes (paint and solvents) , and o Print shop wastes (inks and solvents) . For virgin product material, a valid MSDS may be satisfac- tory documentation of the physical and chemical properties of the waste. The MSDS may also provide disposal informa- tion. 8 . The Generator Certification will be completed by the generator, certifying that the information on the SWAA is accurate and that the material is not a hazardous waste. In addition to the generator certification on the SWAA, a Special Waste Disposal Agreement (Attachment III) will be completed by the generator (party responsible for disposal charges) documenting the representation by the generator that the special waste is not a hazardous waste. The SWAA, together with appropriate attachments (i. e. , sampling form, laboratory analyses, regulatory approval , MSDS, and special waste disposal agreement) will be sent to the Division Manager at the disposal site and then to the Regional Office for evaluation. 3 . 2 LAIDLAW EVALUATION OF WASTE CHARACTERISTICS Every SWAA received at the Regional Office is carefully reviewed by the Regional Engineer or the Technical Services Represen- tative. The review is performed as follows. 1. The SWAA is inspected for completeness and signatures. A SWAA must contain information concerning the generator, waste volume and waste type. 2 . The waste material and the process from which it is derived are checked against 40 CFR 261. 31, 261. 32 and 261. 33 to determine that the material is not a listed waste. A listed waste may be from non-specific (F list) or specific —7- Special Waste Acceptance P1-an Denver Regional Landfill August 17 , 1992 Laidlaw Waste Systems, Inc. (K list) sources, or may be discarded commercial chemical products (Acute :Hazardous or Toxic Chemical listings) . Listed wastes are hazardous wastes and will not be accept- ad. 3 . The waste analysis or MSDS is reviewed to determine if the material exhibits any hazardous waste characteristics. 4 . The chemical analysis is reviewed and the quality assurance (QA) data are checked. In no event will a waste be accepted if the material properties indicate that it is a hazardous waste by characteristics (4A CFR 261. 20 through 261 . 24) . The characteristic concentrations are shown in the second column of Table 2 . The concentrations that laidlaw will accept (the Acceptance Criteria) are shown in columns 3 and 4 of Table 2 . Slightly higher concentrations are acceptable for materials that were analyzed with a matrix spike than for those that were not. However, the acceptable concentrations are all lower than the RCRA hazardous-by-characteristics concentrations (at least ten percent lower) . 5. The size, contained material and emptying or cleaning procedures are reviewed for all empty containers to -evaluate whether they meet the criteria for empty according to 40 CFR 261. 7 . Containers are empty if: a) (for wastes other than a compressed gas or an acute hazardous waste) no more than one inch of residue remains in the bottom, or no more than 3 percent by weight remains in a container of 110 gallons or less, Ar no more than e. 3 percent by weight remains in a container larger than 110 gallons, b) (for a compressed gas) the pressure in the container is near atmospheric, or c) (for an acute hazardous waste) the container has been triple rinsed using a solvent capable of removing the material originally in the container, or the container has been cleaned by another method that has been proven to be effective, or the container had an inner liner that prevented contact of the contained material with the container and the inner liner has been removed. Only empty containers will be accepted. -S- Special Waste Acceptance plan Denver Regional Landfill August 17 , 19-92 laidlaw Waste Systems, Inc. 6. The physical properties _of the waste are reviewed to determine if the material will require special handling during the haul or at the landfill. Special handling or other requirements are added by the reviewer, as appropri- ate, and entered in the Conditions for Acceptance section 'of the SWAA. The conditions may include a requirement for semiannual, annual or biennial recertification of the waste icharacteristics. If the wastes is acceptable for disposal, the SWAA will be signed and dated by the reviewer and the other indicated personnel in the For Office Use Only section of the SWAA. -9- Special Waste Acceptance Plan Denver Regional Landfill August 77 , 1992 i aidlaw Waste Systems, _Inc. 4 . 0 SPECIAL DISPOSAL PROCEDURES In general, special wastes are handled during disposal in a manner similar to routine waste-s. The special wastes will be unloaded at the working face and covered as necessary to minimize wind dispersal and control vectors. Every load of special waste will be accompanied by a Transportation Form (Attachment IV) and must have an approved SWAA on file at the disposal site. If a special waste arrives at the site without the proper paperwork, a -Special Waste Notification Form (Attach- ment V) is completed and the load is refused. The following sections describe special disposal procedures for off-specification products, asbestos containing material, medical waste, ash from the combustion of coal and other fossil fuels, and contaminated soils. 4 . 1 OFF-SPECIFICATION PRODUCTS Off-specification products will be promptly covered with refuse or soil to minimize scavenging. Scavenging is prohibited at the Denver Regional Landfill . -4 . 2 NONFRIABLE ASBESTOS Asbestos containing material (ACM) will be handled in a manner to minimize air emissions during disposal. ACM is any material containing more than 1 percent asbestos by area, as determined using polarized light Microscopy. The Denver Regional Landfill will only accept nonfriable asbestos (ACM, that when dry, cannot be crumbled, pulverized or reduced to powder by hand pressure) . -10- Special Waste Acceptance Plan Denver Regional Landfill August 17 , 1992 Laidlaw Waste Systems, Inc. Examples of typical nonfriable ACM are packings, gaskets, resilient floor tiles, asphalt roofing -and exterior siding products. An approved SWAA providing the analytical information concerning the type of ACM, friability determination and the approximate material quantity must be on file prior to disposal . All dumpsters containing nonfriable asbestos must be enclosed in a tarp prior to loading and during the haul to the site. The vehicle hauling the ACM must be placarded with the following. DANGER (1 inch block) ASBESTOS DUST HAZARD (1 inch space) (1 inch block) CANCER AND LUNG DISEASE HAZARD (1 inch space) (3/4 inch block) Authorized Personnel Only (1 inch space) (14 point Gothic) _These markings must be visible from all sides of the dumpster, and must be _displayed during loading and unloading of the ACM. ACM will be unloaded at the base or side of the working face. Immediately upon receipt, the nonfriable asbestos waste will be covered with a minimum -of six (5) inches of non-asbestos containing material . The ACM will be completely covered by two feet of non-ACM prior to trafficking -by landfill equipment so that the equipment -does not contact the -ACM. ACM will not be placed within 25 feet of an outside slope (measured horizontal- ly) nor within 15 feet of the final grade. The disposal location will be approximately identified using site coordinates and elevation and noted on both the Transportation Form and the gate receipt. -11- Special Waste Acceptance Plan Denver Regional -Landfill August 17 , 1592 Laidlaw Waste systems, Inc. 4 . 3 MEDICAL WASTES All medic-al wastes will be rendered non-infectious prior to disposal by steam autoclave or other appropriate means (chemical or -germicidal treatment) . Used sharps (e.g. , needles and scalpels) must the in an approved sharps container and the container must have been rendered non-infectious. Body tissue and fluids are not allowed. Generators must supply their standard operating procedures for disinfection and their Facility Operating Plan as described in Section 13 .5. 4 of the Colorado Department of Health regulations prior to acceptance of any wastes. In addition, generators must provide a signed copy of the disinfection certificate presented -as Attachment VI with each waste shipment. Laidlaw may require other guarantees and may audit the disinfection process. Medical waste will be unloaded at the base or side of the working face. Other wastes will be used to cover the medical waste as soon as possible. The medical waste will be completely covered by two feet of other waste prior to trafficking by landfill equipment so that the equipment does not contact the medical waste. Medical waste will not be placed within 25 feet of an outside slope (measured horizontally) nor within 15 feet of the final grade. 4 . 4 COAL & OTHER FOSSIL FUEL ASH Fly and bottom ash from the combustion of coal and other fossil fuels will be placed at the working face -with other refuse. All loads will be covered and inspected for evidence of drippage of ash or water during the haul . If the ash contains free liquids, -12- Special Waste Acceptance Plan Denver Regional Landfill August 17 , 1-992 Laidlaw Waste Systems, Inc. the ash will be spread at the point of generation to enhance drying so that there will be no free liquids in the load at the time of unloading. Alternatively, the ash will be moisturized as necessary (at the point of generation) so that there will be sufficient moisture in the ash to limit fugitive dust at the time of unloading. After unloading, the ash will be covered with refuse or soil se that complete -coverage is achieved in approximately an hour. Prompt cover placement is intended to minimize parti-culate emissions (fugitive dust) from the disposal operation. 4 . 5 CONTAMINATED SOIL Contaminated soil will be used for daily or intermediate cover to the -extent }possible. If the soil cannot be used for cover because of site conditions, the soil will be placed at the working face and handled as normal refuse. If feasible, the soil will be spread and aerated before use. Contaminated soil waste will not be plated within 25 feet of an outside slope (measured horizontally) nor within 15 feet of the final grade. -13- Special Waste Acceptance Plan Denver Regional Landfill August 17 , 1992 Laidlaw Waste Systems, Inc. 5. 0 RECORD-KEEPING A filing system is maintained at the disposal site documenting all special wastes accepted. A separate file will be estab- lished for each waste. The file will contain the original approved Special Waste Acceptance Application (SWAA) with accompanying documentation which will include the following, as appropriate: o Material Safety Data Sheet (MSDS) , o Sampling Information Form, o Laboratory analytical results, o Special handling or recertification requirements imposed by the Regional Office, and o Local and state approvals, if required. The special waste file will also contain the Transportation Form documenting the date of receipt of the waste. The Transporta- tion Form will show the site coordinates and elevation at which all ACM wastes are disposed. The general location of other special wastes can also be determined by cross-referencing the date of disposal on the Transportation Form to the file records kept regarding areas and elevations filled each month. Other files associated with the disposal of special wastes are also maintained at the site. Special Waste Disposal Agreements are kept on-file documenting the representation by the generator that the special waste is not a hazardous waste. A copy of the Standard Operating Procedures (SOPs) and Facility Operating Plan submitted by the generator detailing disinfection procedures is -14- Special Waste Acceptance Plan Denver Regional Landfill August 17 , 1992 Laidlaw Waste Systems, Inc. filed with the Special Waste Disposal Agreement for medical wastes. In addition, gate receipt files are maintained on both an alphabetical (monthly) and chronological basis. Both the date and time of entry are noted on the gate receipts. Gate receipts for ACM loads are annotated with the general location (site coordinates) and elevation of the actual disposal site. -15- Special Waste Acceptance Plan Denver Regional Landfill August 17 , 1992 Laidlaw Waste Systems, Inc. Table 1. Special Wastes and Analytical Guidelines L RCRA T B P M S Special i C TTT C S 0 Waste s Ignit Corro Reac L E E V Paint B DP Type t able sive tive P X H H Filt. s Ss ---- --- --- --- --- Sludges from --- - POTW * * * * Food Processing * * * Oil-Water Separator * * * * * * Industrial Wastewater Treatment * * * * * * Vehicle Wash * * * * * * --- --- --- --- --- Industrial Mfg Process Wastes * * * * * * * * --- --- --- --- Spill '-- --- Cleanup * * * * * * * * Off Spec ---- --- --- --- --- --- --- Product * * * * *3 * * Incinerator Ash from: MSW * *1 * Ned Waste * Ash from '-' --- --- Coal & Fossil Fuels * *1 * _Restaurant --- Grease Traps * * * --- ---- --- --- --- Print Shop * * * * * * --' -*- --- -16- Special Wasts Acceptance Plan Denver Regional Landfill August 17 , 1992 1,aidlaw Waste Systems, -Inc. Table 1. Special Wastes and Analytical Guidelines (continued) I ]2CRA 2 B _P M S Special i -C TTT C S 0 Waste s Ignit Corro Reac L E E V Paint B DP Type t able sive tive P X H H Filt. -s Ss ---- --- --- --- --- --- --- Paint Shop * * * * * * * Dry Cleaning * * * * * --- ---- --- --- --- Medical Waste * -* * ---- --- --- Scrap --- Processing * * * * * --- ----- ---- --- --- --- --- --- --- Vehicle Maintenance * * * * * * * * --- --- --- --- Empty --- --- Containers * * * --- --- --- --- UST --- --- Boils Contaminated with Diesel * * * * Gasoline * *2 * * * Waste Oils & Solvents * * * * * * * * * Mixed Fuels & Oils * * * * * * * _Product Solvents * * * * *3 * * Unknown * * * * * * * * Asbestos % by Area (Polarized Light Microscopy) Friability Determination *1. TCLP metals only *2 . TCLP lead only *3 . TCLP and a constituent analysis may be required for off-specifi- cation products and product contaminated soils if the substance is not known. —17- Special Waste Acceptance Plan Denver Regional Landfill August 17 , 19S2 Laidlaw Waste Systems, Inc. Tabl- 2 . Waste Acceptance Characteristics RCRA Acceptance Acceptance Characteristic Hazardous Criteria Criteria Criteria w/o Matrix w/ Matrix Spike Spike Flash <60 C Ignitability Suits Flash > 75 C Flash > 75 C Vigorously (167 F) (167 F) 2 > pH or Corrosivity > 12 corrosion 3 < pH <11.5 3 < pH <11. 5 sate > 6. 35 -mm/yr @ 55C Free CN Free CN Reactivity Stability < 250 mg/I < 250 mg/1 with Free SO3 Free SO3 H2O, CN, S < 250 mg/1 < 250 mg/1 Method 1311 Method 1311 Method 1311 Toxicity (SCLP) I (mg/I in (mg/1 in (mg/1 in sxtract) extract) extract) METALS Arsenic 5 1 4 Barium 100 20 80 Cadmium 1 0. 2 0. 8 Chromium 5 1 4 Lead 5 1 -4 Mercury 0 . 2 -0. 04 0. 16 Selenium 1 0. 2 3.5 Silver 5 1 4 —18- Special Waste Acceptance Plan Denver Regional Landfill August 1-7 , 1992 Laidlaw Waste Systems, Inc. Ta-bla 2 . Waste Acceptance Characteristics (continued) RCRA Acceptance Acceptance Characteristic Hazardous Criteria Criteria Criteria w/o Matrix w/ Matrix Spike Spike Method 1311 Method 1311 Method 1311 Toxicity (SCLP) (continued) (mg/1 in (mg/1 in (mg/1 in -extract) Extract) extract) VOLATILES Benzene 0. 5 0.1 0. 4 Carbon Tetrachloride 0. 5 0.1 D. 4 Chloroben-ene 1O0 2D 80 Chloroform 6 1. 2 4 . 8 1, 2-Dichloroethane D. 5 0 . 1 0. 4 1, 1-Dichloroethylene O. 7 D. 14 0 . 56 Methyl Ethyl Ketone 200 40 760 Tetrachloroethylene 0. 7 0. 14 0. 56 Trichloroethylene 0. 5 D. 1 0 . 4 Vinyl Chloride 0 .2 0. 04 0.16 SEMI-VOLATILES D--Cresol 200 20 160 m-Cresol 200 20 160 p-Cresol 200 20 160 Cresol 200 2D 16D -19- Special Waste Acceptance Plan Denver Regional Landfill August 17 , 1992 Laidlaw Waste Systems, Inc. Table 2 . Waste Acceptance Characteristics (-continued) RCRA Acceptance Acceptance Characteristic Hazardous Criteria Criteria Criteria w/t Matrix w/ Matrix Spike Spike Method 1311 Method 1311 Method 1311 Toxicity (TCLP) (continued) (mg/1 in (mg/1 in (mg/1 in extract) extract) extract) SEMI-VOLATSLES (cont) 1, 4-Di-chlorobenzene 7 . 5 1. 5 6 2 , 4—Dinitrotoluene 0.13 0. 026 0. 104 HexachlDrobenzene 0. 13 -0. 026 -0. 104 Hexachlorobutadiene 0.5 0. 1 0. 41 Hexachloroethane 3 0.b 2 . 4 Nitrobenzene 2 0. 4 1. 6 Pentachlormphenol 100 20 80 Pyridine 5 1 4 2 , 4 , 5 Trichlorophenoi 400 8D 320 2 , 4 i-6 Srichlorophenoi 2 0. 4 1. 6 -PESTICIDES/HERBICIDES Chlordane 0. 03 0. 006 0.-024 2, 4-D 10 2 8 Endrin 0 . 02 0. 004 0. 016 -Heptachlor -0. 008 -0 .-0016 0. 0064 -20- Special Waste Acceptance P1-an Denver Regional Landfill August 17 , 1992 Laidlaw Waste Systems, Inc. Table 2 . Waste Acceptance Characteristics (-continued) RCRA Acceptance Acceptance 1 Characteristic hazardous Criteria Criteria I Criteria w/o Matrix w/ Matrix I Spike Spike 1 Method 1317 _Method 1311 Method 1371 ] Toxicity (TCLP) (continued) (mg/l in I extract) (mg/1 -in (mg/1 in I extract) extract) 1 PESTICIDES/HERBICIDES (continued) I Heptachlor Hydroxide 0 . 0 I 0 . 0016 0. 013641 Lindane 0. 4 0. 08 1 0 .321 Methoxychlor 113 1 2 81 Toxaphen-e 0. 5 1 0. 1 0. 41 2 , 4, 5-TP (Silvex) 1 1 OTHER CHARACTERISTICS 1 mg/1 mg/1 1 unless noted unless notedI Paint Filter I (Free Liquids) >0% 0% 0% 1 TFH or TVH 113, 000 1D,DOD1 BTEX 1 1, 000 1, 0001 PCBs 1 50 25 251 Minimum % Solids 1 POTW Sludge 1 20% 20% 1 Minimum % Solids 1 A11 Other Material I 40% 413% 1 -21- ATTACHMENT I SPECIAL WASTE ACCEPTANCE APPLICATION r-- Code # 61383 ffiflivAgffifff Special Waste Acceptance Application Generator Name: Address: Originating Division: Disposal Facility: Telephone: Location: Telephone: Waste Quantities: Units:Cubic Yds.❑ r Frequency of Receipt: Daily TTim General Material Description: P ❑ Weekly❑Monthly[�, One Time E Other Process Generating Waste: Physical Properties:Physical State at 70'F: Solid_O Semisolid❑ Liquid❑ Density:=y/CY Color: Viscosity: Low❑ Medium❑ High❑ Rash Point_°F Water Content %by Weight -Paint-Filter-Test: -Passed❑ Failed Yes'S ❑ No Li Reactive: Nob Yes5 With 7-7 Waste pH: Infectious: Yes No❑ Chemical Properties:(Concentrations in mg/I) (TCLP) Arsenic - m-Cresol - Hexach/orobenzene Pyridine Barium - p-Cresol - Hexachlorobutadiene Benzene _ Cresol Selenium - Hexachloraethane Silver Cadmium 2,4-D Lead Carbon Tetrachloride.—._de 1,4-Dichlorobenzene T Lindane - Toxaphxaphenrdethylene e Chlordane _ 1,2 Dichloroethane Mercury - Trichloroethylene Chlorobenzene 1,1-Dichloroethyiene Methoxychlor Chloroform --. 2,4,5-Trichlorophenol 2,4-Dinitrotoluene _ Methyl Ethyl Ketone Chromium 2,4,6TP(Silver) nol Endrin - Nitrobenzene o-Cresol --.— 2,43TP(Silver) Heptachlor - Pentachloro henol P Vinyl Chloride Other(list): Other Information: Delivery Method:Bulk❑ Other Regulatory Agency Approval Received: Yes❑ No ❑ Permit Number Material Safety DataSheet-Provided: Yelp No❑ GENERATOR CERTIFICATION To the best of my knowledge,the information provided above is accurate-and the material is FOR OFFICE USE ONLY not classified-as a hazardous waste in Conditions for Acceptance accordance with current regulations. Authorized Representative Signature 1. Originating Division Manager mate Name 2. Disposal Facility Manager Date Title 3. District Manager 4.Re i g Date Dateg'ona/Fn ineer_ Date Page to Laimnw,seconb-Pa e to GLslomen-rnrtc�,,3e to Recertification Frequency: BiAnnual —' Annual Semi-Annual 9 Laboratory IMPORTANT!READ REVERSE — SIDETOR DEFINITIONS& INSTRUCTIONS Ljnn INSTRUCTIONS This form must be completed for all special wastes to be considered for transportation,storage,treatment or disposal by Laidlaw. All questions must be answered and the answers must be entered-on the form in ink. Responses of"None"or"Not Applicable"may be made if appropriate. The various items on the form are explained below. Generator Name and Address: Name and location of facility producing the waste. Generator Contact: A person who could provide additional information about the waste if needed. General Material Description: A name which describes the waste in general terms. - Process Generating Waste: Specific process or source which produces the waste. Laidlaw Facility: Laidlaw facility initiating this application. Disposal Facility: Name of disposal facility to which waste will be sent. Physical Properties: The physical character of the waste must be described according to the-properties outlined. Chemical Properties: The chemical character of the waste-must be described using the paramaters listed to insure that it is not a hazardous waste. Other Information: The methodby which the waste will be contained fordelivery(e.g.bagged,-bulk,etc.). Regulatory approval darn for disposal of the waste in the disposal facility. Provide a material safety data sheet,if available. Include any additional infor- mation you feel may assist with the evaluation of the waste. Generator Certification: An authorized-representative of the company generating the waste must confirm by signature the accuracy of the information provided and that the-waste is not hazardous undercurrent regulations. The following list of wastes are classified by Laidlaw as"Special Wastes"and must be submitted for review usine this form. 1. Sludge wastes including those fromaiomestic septic tanks.POTW's,food processing plants,industrial wastewater treatment plants,oil water separators,vehicle washing facilities,etc. 2. Industrial Manufacturing Process Wastes including foundry sands,diatomaceous earth,filter cake.etc. 3. Solid residual or debris from clean-up of a spill or release of product. 4. Off-specification,contaminated,spoiled,eutdated or banned products and chemicals. 5. Ash from the incineration of municipal solid waste or medical waste. 6. Grease trap wastes from restaurants,hotels.etc. 7. Print shop wastes. 8.Paint spray booth-wastes. 9. Dry cleaning wastes such as spent filters. 10. Medical wastes from hospitals,medical practitioners,clinics,nursing homes,mortuaries,testing laboratories,veterinary clinics,etc. 11. Animal waste and grease from slaughterhouse and rendering plants. 12. Asbestos containing waste. 13. Demolition debris from decommissioned industrial facilities. 14. Chemical process or_storage plant removed from service(e.g.storage tanks,reactors,pipe work,etc). 15. Waste produeed from vehicle maintenance facilities. 16. Landfill leachate and gas condensate removed from landfills. 17. Chemical-containing equipment removed from service including batteries.thermometers,fluorescent tubes.etc. 18. Chemical-,fuel-or oil-contaminated soils. 19. Empty chemical,paint-or oil containers such as drums,pails,cans.etc. 20. Used tires. 21. Laboratory wastes. ATTACHMENT II SAMPLING INFORMATION FORM III __ _ _ _ lifilhffiagr Sampling Information l.A Sampling time. date time 1.8 Sampling location(be specific: hopper,drum,excavation,tank,etc.): 1.C Sampler's Name Telephone 1.D Samplers Firm(if different from Generator) 1.E Address City State Zip Phone 1.F Was a Generator's representative present during sampling? yes no 1.G Briefly describe sampling method and equipment used: Representative Sampling Certification I hereby certify that the methods and equipment described above in section 1.G are an accurate report of thesampling procedure used I also certify that theabove-mentioned methods resulted in obtaining a sample that is representative of the waste. Sampler's Signature Witness'Signature' 'I1 the sampler is not an employee-0f the-0enerator,the generator should provide a witness during the sampling. ATTACHMENT III SPECIAL WASTE DISPOSAL AGREEMENT SPECIAL WASTE DISPOSAL AGREEMENT This Agreement is for Special Waste as defined by Laidlaw and containing the physical and chemical properties outlined in the Special Waste Acceptance Application attached hereto aslExhibit"A",code number: DIVISION SWAA CODE The customer represents that this Specs Waste Is not a-Hazardous Waste'as deft is to be generated,stored and/or disposed defined br less La 40 froFRm Part 261 or the state which the Special Waste of.Customer pec t indemnify and save harmless Special Walaw stes at any and all damages claims of any later or nature arising out of LstllaWs receipt and disposal of the Special Waste.In the event this Specs Waste is later determined to be Hazardous redefined as Hazardous or otherwise deemed unacceptable by Lsdlaw this Agreement,in addition to the above inclemently,will be subject to immediate termination by Laidlaw,Its subsidiaries or the Customer. 1. During the term of this Agreement Customer will utilize the services of Laidlaw To dispose of the quantities of Special Waste as listed in Exhibit"A'or as noted below. (Note if volumes or other items are guaranteed) Other items 2. Laidlaw agrees to provide Customer with the following services and/or equipment. Laidlaw will cause the disposal of the Special Waste at permitted to accept and dispose of the described Special Waste. a disposal facility fully Other services as described below: (Customers initials on lines indicates acceptance) 3. Laidlaw will provide services Customer desires within the following constraints(indicate hours, minimum or maximum loads,or other operational limitations to accepting the Special Waste.) 4. Customer agrees to pay the following charge to Laidlaw for services as described herein: (Unless otherwise noted,billing wit be monthly and payment payable within 30 days of receipt.Charges will be increased to cover Increases in federal,state, and local fees imposed during the term of this agreement and/or increased disposal charges,however all increases shall be communicated by pnor written notice.)Laldlaw shall have the right to refuse acceptance of any Special Waste during any period of time that Customer is past due in its payments. 5. This agreement will be for a term of years from the date of signing,subject to the right of either party to terminate upon day(s)written notice to the other party. 6. Should manifests or shipping forms be required by law or Laidlaw to accompany the Special Waste prior to disposal the Customer is responsible for preparing all such manifests or forms as may be required. 7. Laidlaw shall perform this agreement as an independent contractor, and will have and maintain complete control over all of its employee's,agents,and operations. 8. Laidlaw shall be entitled from Customer all reasonable attorney's fees, collection fees and costs for any action brought to enforce this Agreement Laidlaw Waste Systems Inc. Customer Name: Di'•ision: Signature: "° .l Signature: Title: Title: Date: Date: LAIDLAW WASTE SYSTEMS INC. Continental Region WHITE-Laidlaw Copy YELLOW- Customer Copy i ATTACHMENT IV TRANSPORTATION FORM Use this 3-part form for the hauler of the special waste to ensure acceptance at the landfill facility. A full set of approved documents should be attached. Upon acceptance at landfill facility, driver retains bottom copy, and original and one copy is retained at gate. Gate keeper to forward original to Account Executive to complete records. Generator: SWAA No.: Division No.: Region: Account Executive: Phone: Description of Waste: , will transport the above waste to (Hauler) (Facility Name) on . A full set of documents have been attached to this form for further (Date) information. The following signatures indicates transport has be-en completed. Signed: Date: Name of hauler Received by: Date: Facility gate keeper LAIDLAW WASTE SYSTEMS INC. Continental Region TOP- Account Executive Copy MIDDLE-Landfill Copy YELLOW- Transporter!Customer Copy ATTACHMENT V SPECIAL WASTE NOTIFICATION FORM FORM #1 LAIDLAW WASTE SYSTEMS, INC CONTINENTAL REGION SPECIAL WASTE NOTIFICATION REPORT Instructions: This form isto be filled out for any problemsassociated with hauling of special wastes. If you have a spilt involving specialwastec.contact your dispatcherimmediately. 1) Completely fill out this form as soon as is possible following incident. 2) Be complete and honest with reported problems. 3) Turn in this form to your dispatcher at the end of your workday. Date Time of incident AM or PM Generator: Incident reported: Driver's Signature Date Below to be completed by Division Manager Action taken: DM Signature Date Resolved: Rev 01 3/91 ATTACHMENT VI CERTIFICATE OF DISINFECTION LAIDLAW WASTE SYSTEMS, INC. DENVER REGIONAL LANDFILL CEPTIFICATE OF DISINFECTIO \ I hereby certify that the special biomedical waste described in Special Waste Acceptance Application No. has been rendered non—infectious according to the Standard Operating Procedure currently on file with Laidlaw Waste Systems. I further certify to the following: Treatment was accomplished at (enter location): Treatment was accomplished on (enter date & time): Treatment was accomplished by (describe process): Signature: Printed Name: Title: Date: Company Name: Address: Suite Number: City, State & Zip: Telephone: I I fAoa/Q© LAIDLAW WASTE SYSTEMS INC. DENVER REGIONAL LANDFILL ACCESS CONTROL PLAN DENVER REGIONAL LANDFILL (SOUTH) July 6, 1992 1441 WELD COUNTY ROAD 6, P.O. BOX 320, ERIE, COLORADO 80516 (303) 673-9431 Access Control Plan Denver Regional Landfill July 6, 1992 Laidlaw Waste Systems, Inc. TABLE OF CONTENTS Page 1. 0 INTRODUCTION 1 2 . 0 ACCEPTABLE WASTE 2 3 . 0 OFF-SITE CONTROLS 4 4 . 0 ON-SITE CONTROLS 5 4 . 1 LIMITATION OF ACCESS 4 . 2 INSPECTION AT ENTRANCE 5 4 . 3 INSPECTION AT WORKING FACE 5 6 5 . 0 TRAINING 8 6 . 0 RESPONSE TO UNACCEPTABLE WASTES 10 7 . 0 CONCLUSION 11 8 . 0 REFERENCES 12 -1- Access Control Plan Denver Regional Landfill July 6, 1992 Laidlaw Waste Systems, Inc. 1. 0 INTRODUCTION This is an access control plan for the Denver Regional Landfill (South) . The intent of the plan is to create a mechanism by which unacceptable wastes are excluded from the site and to describe the actions that will be undertaken if unacceptable wastes are inadvertently received. This document begins with a description of the wastes that can be routinely accepted at the site, and those wastes that can be accepted only following physical and chemical characterization. Off-site controls on generators and haulers are then described. The bulk of the plan consists of procedures used on-site to control access and to inspect incoming loads at both the entrance and the working face (the point of unloading) . In order to implement these procedures, all operations employees participate in a routine training program, which is also described. Finally, response procedures are outlined that will be followed if unacceptable wastes are inadvertently accepted. This plan concludes with our policy statement regarding the exclusion of unacceptable waste from the Denver Regional Landfill . -1- 1 1 I Access Control Plan Denver Regional Landfill July 6, 1992 Laidlaw Waste Systems, Inc. 2 . 0 ACCEPTABLE WASTE The Denver Regional Landfill (South) is a sanitary landfill and is permitted to routinely accept non-hazardous, non-radioactive garbage, refuse and other solid discarded material including industrial, commercial, agricultural, community, and residential wastes. The site is also permitted to accept certain non- hazardous, non-radioactive special wastes as described in the Special Waste Acceptance Plan (Laidlaw, 1992) . The Special Waste Acceptance Plan has been approved by the Colorado Department of Health. Special wastes are any non-hazardous solid wastes that require specialized collection, handling or disposal practices in order to manage them in an environmentally sound manner or that require chemical characterization prior to disposal to establish that they are not hazardous wastes. The following is a list of examples of special wastes; however, the list is not meant to be all inclusive. o Sludges o Waste from an industrial manufacturing process o Waste from a pollution-control process o Solid residual or debris from clean-up of a spill or release of a chemical substance o Off-specification products o Ash from combustion of municipal solid waste or medical wastes o Print shop wastes o Paint spray booth wastes -2- rn - II I Access Control Plan Denver Regional Landfill July 6, 1992 Laidlaw Waste Systems, Inc. • Dry cleaning wastes o Medical wastes o Asbestos containing wastes o Fuel contaminated soils o Demolition debris from industrial facilities o Industrial equipment removed from service o Grease trap wastes o Absorbed wastes produced from maintenance of vehicles and equipment (e.g. , oil and anti-freeze) o Ash from the combustion of coal or other fossil fuels for power or steam generation o PCB containing wastes o Empty containers These materials and any other wastes that are not specifically exempted from the hazardous definition under the Resource Conservation and Recovery Act (RCRA) must be characterized and formally accepted for disposal (as described in the Special Waste Acceptance Plan) prior to acceptance at the landfill . -3- Access Control Plan Denver Regional Landfill July 6, 1992 Laidlaw Waste Systems, Inc. 3 . 0 OFF-SITE CONTROLS The initial responsibility for identifying and screening waste is at the waste generation location and rests with the waste generator, which may be an individual, a company or an agency. All customers of the Laidlaw hauling company are required to sign a contract which includes a statement to the effect that hazardous, liquid and radioactive wastes will be excluded from the wastes destined for landfilling. Almost all other hauling companies have similar language in contracts with their customers. If the waste is anything other than typical, non- liquid solid waste which the site is routinely permitted to accept, the generator must submit a Special Waste Acceptance Application (SWAA) together with appropriate characterization data, as required by the Special Waste Acceptance Plan (Laidlaw, 1992) . The SWAA is then carefully reviewed at the Regional Office and formal approval must be obtained before the material will be accepted at the landfill . The second level of responsibility for identifying and screening waste rests with the waste transporter, i.e. , the individual, company or agency hauling the waste to the landfill. On first arriving at the site, the waste transporter is given a gate receipt ticket prepared by the cashier in triplicate showing the customer name, time, date, vehicle license number and quantity of waste. The driver is required to sign the ticket which bears a preprinted notification that hazardous materials, friable asbestos, sludges and liquids are not acceptable for disposal at the site. The customer receives one copy and the other two are retained on-file at the site. -4- Access Control Plan Denver Regional Landfill July 6, 1992 Laidlaw Waste Systems, Inc. 4 . 0 ON-SITE CONTROLS 4. 1 LIMITATION OF ACCESS Access to the Denver Regional Landfill (South) is limited to the specified site entrance gate in the fence enclosing the site. The current specified site entrance gate is located on the south side of Weld County Road 6, approximately 1/2 mile west of Weld County Road 5. All on-site movement of vehicles and personnel is under the direction of the site manager or designated representative. The site access road passes immediately adjacent to the cashier building and all persons entering the site must report their entrance and the purpose of their visit to the site attendant. Signage prohibiting disposal of hazardous, liquid and radioactive wastes is prominently displayed outside the cashier building. Access to the working face from the entrance facility is clearly marked so that disposal only occurs in the appropriate area, under the supervision of landfill personnel. 4 . 2 INSPECTION AT ENTRANCE All incoming loads are visually inspected by the cashier prior to admittance to the facility. The inspection consists of a visual examination of the load through the windows of the cashier building as well as through video cameras mounted on poles outside the building. The purpose of the cameras is to view the top and si-des of incoming containers and loads. The video tapes are audited by site management quarterly and then reused. Vehicles entering the site are examined for the -5- Access Control Plan Denver Regional Landfill July 6, 1992 Laidlaw Waste Systems, Inc. presence of U.S. Department of Transportation (DOT) hazardous warning placards. In addition, a radiation detector will be installed outside the building to monitor for the presence of radioactive materials. If any suspicious material or containers are seen, the vehicle bears a DOT hazardous warning placard or the radiation detector indicates the presence of radioactive materials, the cashier will notify the on-duty site manager and will delay the suspected load at the entrance until the site manager performs a more thorough inspection of the load. If appropriate, the site manager may request verification that a completed and approved SWAA is on-file for the material contained in the load. Based on the results of the inspection and file research, a decision will be made by the site manager to either allow or deny access. 4 . 3 INSPECTION AT WORKING FACE The final level of responsibility for identifying and screening waste is at the landfill working face where the nature of the waste is most easily identified. The spotter or equipment operator managing operations at the working face directs the customer to an appropriate area for unloading and inspects the waste as it is unloaded. If waste is unloaded at the working face which, in the opinion of the spotter or equipment operator, is suspected of being hazardous or otherwise unacceptable, the spotter or equipment operator will immediately notify the on- duty site manager and require the customer to cease unloading until the site manager can investigate the load. In addition, operations will cease in the vicinity of the suspected waste and -6- IT Access Control Plan Denver Regional Landfill July 6, 19-92 Laidlaw Waste Systems, Inc. the spotter or equipment operator will note the type, license number and characteristics of the vehicle unloading the suspected waste. The on-duty manager will identify the waste load, verify whether the material has been approved for disposal (completed and approved SWAA is on-file) and, if appropriate, notify the Colorado Department of Health and the Weld County Health Department that an unacceptable waste has been unloaded. -7- 1 � 11I➢ I Access Control Plan Denver Regional Landfill July 6, 1992 Laidlaw Waste Systems, Inc. 5 . 0 TRAINING Zaidlaw maintains an active program of personnel training in order to provide safe and environmentally sound waste management services. At a minimum, all operations personnel attend monthly training and safety meetings at which topics such as safe working practices, access control, and the identification of unacceptable wastes are discussed. A current chart of DOT hazardous warning placards is displayed in the training room, as well as in the cashier building and the employee break rooms. All employees are instructed in the identification of these placards. The main thrust of the training program is to emphasize to the employees their responsibilities in the inspection of all waste brought to and unloaded at the site. They are further instructed that hazardous contamination may be bacteriological, chemical, or radiological -- all of which are defined in detail by the U.S. Environmental Protection Agency hazardous materials definitions. Employees are aware that hazardous waste is any solid, liquid or gaseous waste, regardless of the amount, which is defined to be hazardous under applicable United States Federal, Colorado State, or Weld County laws, rules, regulations, permits or administrative or judicial decisions, including but not limited to, those wastes listed or characterized as hazardous wastes by the U.S . Environmental Protection Agency under Public Law (P.L. ) 94-580, the Resource Conservation and Recovery Act, as amended (40 CFR Part 261) . As a general guide to landfill operations personnel, a waste will be suspected of being hazardous or otherwise unacceptable -8- 1 1 -- _ Access Control Plan Denver Regional Landfill _July 6, 1992 Laidlaw Waste Systems, Inc. if it is in the form of dust, sludge, or liquid, if it is contained in drums, or if it is otherwise unusual . Should waste of this nature arrive at the site, specific approval from the site manager must be obtained prior to disposal . If specific approval is not received, the waste will not be accepted for disposal at the site. -9- T Access Control Plan Denver Regional Landfill July 6, 1992 Laidlaw Waste Systems, Inc. 6. 0 RESPONSE TO UNACCEPTABLE WASTES If unauthorized, hazardous or otherwise unacceptable waste should be unloaded at site for whatever reason, and in spite of all of the above precautions, operations will cease in the area of suspected waste (other than those operations which may be necessary to confine or limit the spread of the suspected waste) and the site manager will immediately notify: 1. Colorado Department of Health Hazardous Materials and Waste Management Division 4210 East 11th Avenue Denver, Colorado 80220 (303) 331-4846 2 . Weld County Health Department Health Protection Service 1516 Hospital Road Greeley, Colorado 80631 (303) 353-0635 The portion of the site operational area containing the unauthorized, hazardous, or otherwise unacceptable waste will be isolated from the continuing operation of the site until remedial measures subject to the approval and supervision of the Colorado Department of Health and the Weld County Health Department have been completed. -10- Access Control Plan Denver Regional Landfill July 6, 1992 Laidlaw Waste Systems, Inc. 7 . 0 CONCLUSION We at Laidlaw recognize our responsibility to accept for disposal only those materials approved by the Colorado Department of Health and the Weld County Health Department. The access control plan is our mechanism for meeting that responsibility. As new technologies are developed for better identification of waste materials and responsible environmental management, we will modify this document accordingly. It is our intention that Laidlaw will be the industry leader in controlling wastes accepted for sanitary landfilling. -11- 1 1i • Access Control Plan Denver Regional Landfill July 6, 1992 Laidlaw Waste Systems, Inc. 8 . 0 REFERENCES Laidlaw, 1992 , Special Waste Acceptance Plan, Denver Regional Landfills (North and South) , Laidlaw Waste Systems, Inc. , February 13 . -12- . .1... STATE OF nOLORADO COLORADO DEPARTMENT OF HEALTH 4.s..`•`°�, AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 331-8576 ',��: 1876 EMISSION PERMIT r+ PERMIT NO: 12WE652F FINAL APPROVAL DATE ISSUED: JULY 20, 1992 Modification No. 2 ISSUED TO: LAIDLAW WASTE SYSTEMS (COLORADO), INC. THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Nan-hazardous materials landfill located 1/4 mile west of Weld County Road 5 and south of Weld County Road 6 in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Site preparation on 160 acres (aka Erie property) and an additional 35 acre site (aka the Pratt property) directly adjacent to and east of the Erie property. Landfill activities include excavation, stockpiling, and placement of fill material, placement of refuse and flyash, site disturbance, and vehicle haulroads. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR QUALITY CONTROL ACT C.R.S. (25-7-101 et seq), TO THOSE GENERAL TERMS AND CONDITIONS SET FORTH ON THE REVERSE SIDE OF THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: 1. The particulate emission control measures listed on the attached page (as proposed in the Particulate Emission Control Plan submitted to the Division) shall be applied to the particulate emission producing sources as required by Regulation No. 1. 2. The amendment is granted upon the assertion by the applicant that no new hazardous materials will be deposited on the Pratt property and there will be no increase in the deposition rate already permitted at the Erie property landfill which could result in an increase in fugitive particulate emissions from the combined properties. LAIDLAW 2220/79/1 .. JUL 2 71992 DENVER LANDFILL, #534 GENERAL TERMS AND CONDITIONS: (IMPORTANT! READ ITEMS 6,7 AND 9) , 1. This permit is issued in reliance upon the accuracy and completeness of information supplied by the applicant and is conditioned upon conduction of the activity, or construction, installation and operation of the source, in accordance -with this information and with representations made by the applicant or applicant's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. 2. Unless specifically stated otherwise,the general and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114(4)(g), C.R.S.and,as such, shall be enforceable under the provisions of Section 25-7.115,C.R.S.,the Clean Air Act,42 USC Section 7502(b)(3); and Air Quality Control Commission Regulation No.3 Section IV.D.2.or(2) result in an exceedance of the NAAQS for pollutants as required by Sections 25.7-105(1)(A)(1) and 201(1)(b), C.R.S., of the Clean Air Act; 42 USC Section 7475(a)(3); and Air Quality Control Commission Regulation No. 3, Section IV.D.1.c. 3. Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of, a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied at)intro. This permit may be revoked at any time prior to final approval by the Air Pollution Control Division(APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air-Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit. 4. This permit and any required attachments must be retained and made available for inspection upon request at the location set forth herein. With respect to a portable source which is moved to a new location, a copy of the revised Air Pollutant Emissions Notice (APEN) (required by law to be submitted to the APCD whenever a portable source is relocated) should be attached to this permit. The permit may be reissued to a new owner by the APCD as provided in AQCC Regulation No. 3 Section 111.8. upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 5. Issuance (initial approval) of an emission permit does not provide "final" authority for this activity or operation of this source. Final approval of the permit must he secured from the APCQ in writing in accordance with the provisions of 25-7-114(4)(j) C.R.S.and AQCC Regulation No. 3, Section IV.H. Final approval cannot be granted until the operation or activity commences and has been verified by the APCD as conforming in all respects with the conditions of the permit. If the APCD so determines,it will provide written documentation of such final approval, which does constitute "final" authority to operate. 6. THIS PERMIT AUTOMATICALLY EXPIRES IF you (1) do not commence construction or operation within 18 months after either the date of issuance of this permit or the date on which such construction or activity was scheduled to commence as set forth in the permit, whichever is later; (2) discontinue construction for a period of 18 months or more; or (3) do not complete construction within a reasonable time of the estimated completion date. Extensions of the expiration date may be granted by the APCD upon a showing of good cause by the permittae. 7. YOU MUST notify the APCD at least thirty days (fifteen days for portable sources) prior to commencement of the permitted operation or activity. Failure to do so is a violation of Section 25-7-114(4)(j), C.R.S.and AQCC Regulation No. 3, Section IV.H.1., and can result in the revocation of the permit. 8. Section 25-7-114(5)(al, C.R.S. requires that all sources required to file an Air Pollution Emission Notice (APEN)must pay an annual fee to cover the costs of inspections and administration. If a source ar activity is to be discontinued, the owner must notify the Division in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate. . 9. Violation of the terms of a permit which has received final approval or of the provisions of the Colorado Air Quality Control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), C.R.S. • • • • • , . NOTICE OF START-UP THIRTY-DAY PRIOR NOTICE REQUIRED OF ALL SOLRCES Even with a permit you cannot legally commence operations or conduct an activity until 30 days after you have notified the Division of the start-up date (section 25-7-114(4) (J) of the Colorado Air Quality Act). In most cases, a permit is applied for and approved before the anticipated commencement date, so the 30 day prior notice causes no problems. If, however, you plan to commence your operation or activity as soon as you receive the permit, you should estimate the date you expect to commence (assuming the permit is approved) and fill out and return this form at least thirty days prior to that date. This will avoid a 30-day delay between receipt of the permit and commencement. Notification: c..;. be• accomplished by completing the form below and returning it to the Colorado Department. of Health, Air Pollution Control Division, Stationary Sources Program, 4210 Felt 11th Avenue, Denver, Colorado 80220. Please contact the Division immediately (303/331-8511 or 331-8576) if you have any questions or problems concerning this requirement. PFP'7IT NUIBE2 /Z L✓≤ 05Z F PROJECT DESCRIPTION S,a.4 nvev Lele,4‘F, ./ , ea r c--no erC ,sv'A/J oX,.4 17n4 5722e.-LP e_rd C A✓> P,A/G Fn/7— 'IF cL .NA 7S)GA/ LAlFN/,O✓T of • A.vb 'CVm.S/F / ' n'E 5/37Jt.ZRA,V'Cr A.,/≥ 1577,e Le- A4Auc./eoATS e7/47S IS pn/ 0/V-Co/.✓A CP—a7TunJ Operation of the emission source(s) to which the above permit number has been assigned is expected to begin on and will be in full operation by ,rte,/-dan✓a tPe2Ano.✓ • LA/ni-.41✓ 1.✓Asr-S✓s rs7(etatenb),,-;ve, BeetiMN•.✓ g 'J pry CQYPANY APPLICANT" ,VAME (PLEA PRINT) Ss/dAn,.r PERSON TO CONTACT FOR VERIFICATION OF APPLICANT'S (X4 START-LP DATE -ban- Au U^t5 (30a) 7f-y,at Pawci fiAc— TELEPHONE AMBER OF CONTACT PERSON POSITION OR TITLE 08/zd/9L DATE STATE OF COLORADO COLORADO DEPARTMENT OF HEALTH of Coto 4 Dedicated to protecting and improving the health and N/j environment of the people of Colorado `� 4300 Cherry Creek Dr.S. Laboratory Building •ran Denver,Colorado 80222-1530 4210 E.11th Avenue Phone(303)692-2000 Denver,Colorado 80220-3716 (303)691-4700 Roy Romer Governor December 11, 1991 Patricia A.Nolan,MO,MPH Executive Director Rick Hoffman Laidlaw Waste Systems, Inc 1441 Weld County Road 6 KVA.- P.O. Box 320 Erie, Colorado 80516 David O'Sadnick and Ronald Uhle Golder Construction Services, Inc. 200 Union Boulevard, Suite 100 Lakewood, Colorado 80228 RE: Quality Assurance Monitoring and Test Results for Cell A Construction Denver Regional Landfill (South), Weld County, Colorado Dear Sirs: The Hazardous Materials and Waste Management Division of the Colorado Department of Health (the Division) has completed the review of the document titled "Final Report, Quality Assurance Monitoring and Test Results for Cell A Construction, Denver Regional Landfill (South), Weld County, Colorado" and the addendum "Construction Quality Assurance Summary for the Completion of Leachate Collection System in Cell A, Denver Regional Landfill (South), Weld County, Colorado" received on November 24, 1992 and December 10, 1992, respectively. Based on the data provided in these two reports, the Division finds the construction of Cell A conforms to the approved project plans and specifications. Please be advised that I will no longer be working with the Denver Regional Landfill or on general solid waste issues, therefore all future correspondence should be directed to Roger Doak of this Division (692- 3437). If you have any additional questions, regarding this document or Division response, please feel free to contact me. Sincerely, L__ t • LAIL Austin N. Buckingham Geologist Solid Waste and Incident Management Section Hazardous Materials and Waste Management Division Rick Hoffman Ronald Uhle David O'Sadick Denver Regional Landfill (South), Cell A OA/OC December 10, 1992 page 2/2 cc: R. Doak, CDH/HMWMD/SWIM B. Doty, Doty and Associates G. Lacy, Weld County Commissioners J. Pickle, Weld County Health Department S. Schreiber, Laidlaw Waste Systems, Inc. -K Schuett, Weld County Department of Planning L Swansen, Weld County Planning file: SW/WLD/LAI South , , , , , , ,....,,,., �-i DEPARTMENT OF HEALTH �\ 1 1517 . ifi AVENUE COURT GREELEY. COLORADO 60631 lunge ADMINISTRATION 13031 3530536 HEALTH PROTECTION !3031 353-0635 COMMUNITY HEALTH !3031 353.0639 COLORADO December 15, 1992 Ronald J. Uhle, P.E. Golder Construction Services, Inc. 200 Union Boulevard, Suite 100 Lakewood, Colorado 80228 Dear Mr. Uhie: The Environmental Protection Division of the Weld County Health Department has completed the review of the "Final Report Quality Assurance Monitoring and Test Results for Cell A Construction Denver Regional Landfill (South) Weld County, Colorado." The Division finds the document to be acceptable as submitted and has no further comment at this time. If you have further questions, please contact me at 353-0635. Sincerely,, -------- quicV) Trevor Jiricek Solid and Hazardous Waste Specialist /tj-2511 cc: David L. O'Sadnick, Golder Construction Services, Inc. Austin Buckingham, Colorado Department of Health 1F- III Hello