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7-N M <br />P.O. Box 1908 <br />1011 Grand Avenue <br />Glenwood Springs, <br />CO 81602 <br />AUG 2 ti 2008 <br />August 19, 2008 <br />Nii.^inc? end S, <br />Mr. Travis Marshall <br />Environmental Protection Specialist <br />Division of Reclamation, Mining and Safety <br />101 South Third Street, Suite 301 <br />Grand Junction, CO 81501 <br />Sent Via Fax: 970 241-1516 <br />RECEIVED <br />AUG 2 0 2008 <br />GRAND JUNC'f iON FiEL D OFFICE <br />DIVISION OF <br />RECLAMATION MINING & SAFETY <br />(970) 945-5700 <br />(970) 945-1253 Fax <br />Re: American Gypsum Company, LLC, Permit No. M-1984-041, Submittal of TR-8 I? <br />Dear Mr. Marshall: <br />In responses to the questions in your letter of August 1, 2008, we submit the following: ? <br />1. What measures will be implemented to prevent accumulations of contaminants in <br />the soils of the working and stockpile areas within the compost facility. If no <br />prevention technologies are proposed what methods of removal of potentially <br />contarr?inated! s'6i1'will:! be used and what landfill will be used for proper disposal? <br />The working and stockpile areas are now proposed to have an asphalt pavement <br />surface to facilitate handling, which will also prevent buildup of contaminates in <br />these areas. <br />2. In the stormwater management plan, retention ponds are proposed rather than <br />detention ponds with the intent minimize a potential release of stormwater from <br />the site. In the event that there is a release of stormwater from the site what <br />other permits are required and/or applied for? <br />The site activities will require a stormwater management permit from the State of <br />Colorado. The potential release of stormwater from the site will be addressed to <br />the satisfaction of the State (CDPHE) with the permitting process. <br />If you have any questions, please contact Tom Zancanella or Tim Beck at (970) 945- <br />5700. <br />Very truly"yourS...... <br />Zancanla?EAsso'ciates'.Inc. <br />Z4RC4R&L4 4mo 4SYOC14TM IWC. L-?. <br />ENGINEERING CONSULTANTS <br />., .. ... .. .. ? :it'd .. .... .. ... i :l ?. <br />Thomas A: Zancanella, P.E. <br />Cc:' Steve Onorofskle z:\93503\93503'79 compostin&iv'of reel=eztension.doa