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<br />STATE OF COLc~RADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmenl of Natural Resources <br />131 J Sherman A., Roam 21 5 <br />Denver. Colorado 40203 <br />Phone (1031 4667567 <br />FTS: 17031872-8105 <br />memorandum <br />Date: 10/27/98 <br />To: File No. M-77348 <br />Cc: Carl Mount, Harry Posey <br />From: Allen Sorenson ~ 5 <br />RE: Incorporation of Cement Kiln Dust Management Plans into Mined Land Reclamation Permits, <br />Boettcher Quarry, Holnam, Inc., Permit No. M-77348 <br />~~~~~ <br />DEPARTMEIJT OF <br />NATURAL <br />RESOLJIZCES <br />Roy Romcr <br />Governor <br />(amen 5 Lorhhead <br />Exerueve Director <br />Mic h. e B Long <br />Divi.ion Director <br />Incorporation of a Cement Kiln Dust (CKD) management plan into the reclamation permit for the Boettcher <br />Quarry will most likely involve the submittal of both a technical revision and a permit amendment. The technical <br />revision will address the specifics of the CKD management plan, and the amendment will include the cement <br />plant into the permitted area. <br />The primary environmental concerns related to the disposal of CKD at the Boettcher Quarry are ground water <br />protection and dust control. Rule 3.1.7 of the Construction Materials Rules and Regulations of the Mined Land <br />Reclamation Board details the procedures to be followed to gain approval of a ground water protection plan. <br />The technical aspects to be followed in cases where a mining or processing waste such a:; CKD is to be <br />disposed include: <br />1. Geochemical characterization of the waste in order to determine the contaminants of concern and any <br />elements or characteristics of the waste that may serve as indicators that ieachate from the waste has <br />entered ground or surface water. <br />2. Complete a hydrogeologic characterization study of the area where the waste disposal will occur. <br />Assess potential ground water flow pathways that may be contaminated by leachate `rom the waste. <br />Characterize ambient ground water quality. The tens "Ambient Groundwater Quality' is defined in the <br />Construction Materials Rules at 1.1(5). <br />3. Design waste disposal facility. Are liners and covers required to protect ground welter? Or is the <br />geologic setting suitable to allow disposal in an unlined facility? <br />4. Establish point of compliance monitoring wells and numeric protection levels as described in Rule <br />3.1.7. <br />5. Include in the technical revision a dust control plan for the CKD disposal areas. Tflis may include <br />application of daily cover, application of water or other palliatives. <br />