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Home My WebLink About881757.tiff DEPART VT OF PLANNING SERVICES yt!iOr' PHONE(303)356-4000 EXT.4400 915 10th STREET fif !Ire GREELEY,COLORADO 80631 1R4 • COLORADO June 24, 1988 Coors Energy Company Attention: Mr. John Althouse P.O. Box 467 Golden, CO 80401 Re: Relocation of the Fly Ash Pits from the designated areas shown on Amended Special Use Permit 386, located in part of Sections 25, 26, and 36 of T3N, R64W of the 6th P.M. , Weld County, Colorado. Dear Mr. Althouse: On June 7, 1988, the Department of Planning Services received an additional letter from the Colorado Department of Health explaining that the relocation of the fly ash pits was accepted as an amendment to the original application. Based on this information, the relocation of the fly ash pit, as outlined in your request submitted on February 24, 1988, is not considered a material deviation from the approved plans or standards of Amended SUP-386. Please call or write if you have any questions. Respectfully, r' t P anner BJB:dn n1757 STATE 01- COLORADO COLORADO DEPARTMENT OF HEALTH �of co� 4210 East 11th Avenue i�e d :'ti9p Denver, Colorado 80220 ° Phone (303) 320-8333 *1876* Roy Romer June 7, 1988 Governor Thomas M Vernon, M D Executive Director Weld County Board of County Commissioners P.O. Box 758 Greeley, Colorado 80632 Re: Coors Energy Company Ash Disposal at Keenesburg Mine Dear Gentlemen: The Hazardous Materials and Waste Management Division (the Division) of the Colorado Department of Health has completed its review of the Coors Energy Company's application to relocate its ash disposal from B-pit to A-pit. This application was reviewed as an amendment to the original application which was recommended for approval by the Division in a letter dated March 9, 1987. The relocation of the ash pit is deemed a "Substantial Change in Operations" as defined in Section 1.2 (aaa) of the Regulations Pertaining to Solid Waste Disposal Sites and Facilities (the Regulations), thus requiring submittal of an amended application. The amended application was reviewed to determine if the proposed facility could comply with the minimum standards of the Solid Waste Disposal Sites and Facilities Act, Sections 30-20-100 to 116, C.R.S. 1983 as amended, and with the Regulations promulgated thereunder. The following major commitments are agreed to by the applicant, Coors Energy Company, as contained within the original November 13, 1986 application and a Coors Energy Company letter to the Division dated March 22, 1988: 1. The site will dispose of fly ash and bottom ash from the Coors coal-fired boilers in Golden along with small amounts of wood, paper, and scrap from site mining activities. The ash will consist of approximately 50% fly ash and 50% bottom ash and contains less than 10% moisture by weight. Approximately 100 cubic yards will be disposed of per day. 2. Ash disposal will occur six days a week (not Sundays) , from 3:00 a.m. to 11:00 p.m. 3. Records will be maintained at the site on incoming wastes, water quality monitoring, and variations from approved operation procedures. PJy d 1988 Weld County Board of County Commissioners Page Two June 7, 1988 4. The ash disposal area will be located in the area designated as A-pit. A-pit is 1,400 feet from East to West and 320 feet from North to South. The capacity of A-pit is 250,000 cubic yards of ash. Disposal of ash will take place at approximately 40 feet above the "spoils" water table. 5. Cover will be applied for fugitive dust control as needed. 6. If any impact to the environment occurs due to the site, Coors Energy will immediately begin remediation and notify the Department and the Mined Land Reclamation Division and immediately begin remediation. 7. The ash will be placed at least above five feet above pre-mine water levels. The final cover will consist of five feet of compacted over burden and three feet of on-site top soil and the cover will be revegetated. If the proposed facility is constructed and operated as detailed in the original application, the March 23, 1988 letter and as summarized above and were to include the Division's recommendations listed below, it is this Department's assessment that the facility can comply with the minimum standards of the Act and with the Regulations. The Department's recommendation of approval to Weld County is contingent upon the applicant committing to the following recommendations. 1. Annual fly ash and bottom ash analyses must include but not be limited to E.P. toxicity testing and must be submitted to the Department. In addition if at any time a boiler or source of coal is changed at the Golden plant, E.P. toxicity analysis of fly ash and bottom ash must be submitted to the Department immediately. 2. Due to the potential impact of the site sumps and sediment ponds on the ash disposal areas and vice versa, the sump and sediment ponds must be maintained at a distance of 500 feet from the boundaries of the ash disposal areas. 3. Covering of the ash wastes must occur on a regular and frequent basis. Covering of ash wastes with a minimum of six inches of cover material must occur every 48 hour period. 4. An additional monitoring well must be constructed and emplaced downgradient of A-pit which will monitor the spoils groundwater. The well must be constructed in accordance with the Water Well and Pump Installation Contractors Act and the location of the well must be proposed to the Department and Mined Land Reclamation Division and approved. Sampling of the well must occur on a quarterly basis for the same parameters as required by the Mined Land Reclamation Division for the 1986 monitoring program. Additionally, all quarterly groundwater monitoring data must be submitted to the Department. Weld County Board of , County Commissioners Page Three June 7, 1988 5. Annual records must be submitted to the Department which depict the current status of ash disposal as locations advance. 6. On an annual basis, ash-filled sections of A-pit will be progressively brought to final grade and revegetated. 7. All requirements of the Mined Land Reclamation Division must be met in addition to this Department's recommendations. If you have any questions, please contact Steve Orzynski at 331-4863. Sincerely, Stephen J. Orz nski, P.E. amela L. Harley, Chief Public Health Engineer Solid Waste and Incident Management Section Hazardous Materials and Hazardous Materials and Waste Management Division Waste Management Division SJO:PLH:clb/3136K cc: John Althouse, Coors Energy Company yan Bingle, Weld County Planning Department Wes Potter, Weld County Health Department Randy Price, Mined Land Reclamation Division STATE OF COLORADO COLORADO DEPARTMENT OF HEALTH of co� 4210 East 11th Avenue e� `�'90 Denver, Colorado 80220 / o� Phone (303) 320-8333 Nc(� *1876 Roy Romer Governor May 2, 1988 Thomas M Vernon, M.D Executive Director Bryan Bingle Weld County Planning Dept. 915-10th Street, Room 342 Greeley, Colorado 80631 Dear Bryan: Per our phone conversation on April 19, 1988, the Hazardous Materials and Waste Management Division has determined that Coors Energy Company's relocation of its ash dump is a "Substantial Change in Operations" as defined in Section 1.2 aaa of the Regulations Pertaining to Solid Waste Disposal Sites and Facilities. Section 1.3.7 of the Regulations states that "an amended application shall be made for a substantial change in operations as defined in Section 1.2 of these Regulations, and shall be referred to the County Board of Commissioner's and the Department (of Health) for review and approval before such change shall become effective". Resultingly, we have contacted Coors Energy Company and the Mined Land Reclamation Division that we will be reviewing the planned ash relocation. If you have any questions, please contact me at 331-4863. Sincerely,vf141111‘lit Stephen . Orzynski, P.E. Public Health Engineer Hazardous Materials and Waste Management Division SJO:clb/3014K cc: John Althouse, Coors Energy Company ,G /' itior/ .__---- fitqa, DAB MAY 121988 ouii CU, tnar+fvrF mEmoRAnDUm vs, To Weld County Planning Dte March , 1988 COLORADO From Health Protection Services Case No. USR-386:86:58 Name: Coors Energy Company (Flyash) Subject: This Department has reviewed the proposed changes in locations for fly ash dumps at the Keenesburg Mine. We see no detrimental environmental impact so long as the existing development standards are followed by the operator as set forth in the existing U.S.R. / 1� I/7 "lr�i is/ C7q-- VP MAR 9 1988 aa. • DEPARTME OF PLANNING SERVICES PHONE(303)356-4000 EXT.4400(e4 :, � 915 10th STREET il7;; 1 GREELEY,COLORADO 80631 4- its:k. w• • COLORADO March 1, 1988 Coors Energy Company Attn: Mr. John Althouse P.O. Box 467 Golden, CO 80401 Re: Relocation of the Fly Ash Pits from the designated areas shown on the Amended Special Use Permit 386, located in Part Sections 25, 26, and 36 of T3N, R64W of the 6th P.M., of Weld County, Colorado. Dear Mr. Althouse: The Weld County Department of Planning Services' staff requests that Coors Energy Company obtain letters of approval from both the State and Weld County Health Departments regarding the relocation of the Fly Ash Pits. Upon receipt of these letters, this Department will review your plans further and forward a decision pertaining to whether a substantial change would occur. If this office can be of any further assisstance to you in regards to this matter, please do not hesitate to call or write. Respectfully, • / C " t Plan r :rjg • e019114 ENERGY COMPANY PO BOX 467 GOLDEN, COLORADO 80401 February 24, 1988 Bryan Bingle Department of Planning Services 915 10th Street Greeley, Co. 80631 Dear Mr. Binglea Enclosed please find our updated map of where we would like to place ash for the next `-5 years. Also attached is a partial copy of the PLOT MAP showing the new proposed location in reference to the approved locations. After obtaining the USR from Weld County, MLRD put some additional restrictions on the thickness of the ash ( 15' ) and its statigraphic location. This has necessitated our seeking larger areas for dumps although the ash thickness will be half of what was approved by Weld County. It appears that MLRD will approve this location and DOH has said they have no problem since we did state in the COD application that the dump sites were schematic and subject to change in case of mine production changes and in this case regulatory authority restrictions. I trust this is the information you need as discussed with you some time a ago. pTiigyP FEB 2 6 1988 Very,- my Yours, 1VP„d CU. J n Althouse Hello