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1111111111111111111 <br /> 999 ` STATPOF COLORADO <br /> . MINED.LAND RECLAMATION DIVISION oF.0 <br /> Department of Natural Resources <br /> 1313 Sherman St.,Room 215 y� 0 <br /> Denver,CO 80203 *# * <br /> 303 866-3567 •�876• <br /> FAX: 303 832-8106 <br /> Roy Romer, <br /> Governor <br /> ��� / Fred Banta, <br /> / C�JY\ /l t/ Divisioo n Director <br /> July 13, 1990 ✓ � �, �/ <br /> r z <br /> Frank R. Zancanella <br /> o Climax Molybdenum Company <br /> Climax, CO 80429 <br /> Re: Application of Municipal Sewage Sludge Mayflower Tailings Area (File <br /> M-77-493),,-� <br /> Dear Mr. Zancanella: <br /> I have reviewed your request for a technical revision to Permit No. M-77-493. <br /> The revision application consists of a program for application of wastewater <br /> sludge from the Snake River Waste Water Treatment Plant on the Mayflower <br /> Tailing Deposition Facility. Application of the sludge is considered to be a <br /> beneficial soil conditioning treatment. <br /> I concur with the information presented in the application and the water <br /> quality assessment and recommendations of the Colorado Department of Health. <br /> I offer two comments which should be addressed prior to approval of your , <br /> request for a technical revision. <br /> 1 . Copies of results of crop tissue testing should be submitted to <br /> identify potential plant phyto-toxicity and to verify appropriate <br /> sludge application rates. <br /> 2. Please address methods to be used to minimize surface runoff of <br /> sludge effluent during winter months when the sludge may be spread <br /> on frozen or snow-covered ground. How will desired soil mixing be <br /> accomplished during the winter months? <br />