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<br />CLiMI~( MOLYBDENUM COMPANY Climax Mine <br />a suesime~y m vneias omea Mmma oamaa~r Hwy. 91 <br />I Climax, Colorado 60429 <br />(719) 466-2150 <br />Fax 019) 466-2251 <br />February ls,2oo1 RECEIVED <br />' MAR 0 4 2002 <br />Certified Mail No.: 7000-1670-0011-2635-3307 Division of Minerals and Geology <br />Mr. Robert B. Brobst <br />U.S. EPA <br />Region VIII <br />Denver Place <br />999 18th Street, Suite 300 <br />Denver, Colorado 80202-2466 <br />Attn: Water Program, Regional Biosolids Program, P-W-P <br />RE: 2001 Biosolids Annual Report -Climax Molybdenum Company, Climax Mine <br />Robinson Tailing Site (BMP #0834) <br />Dear Mr. Brobst: <br />Enclosed is the 2001 Annual Biosolids Report for the Climax Molybdenum Company's <br />Robinson Tailing Impoundment site. The report contains General Facility Information, Land <br />Application Site Information, Cumulative Loading data, Biosolids Application Summary, Soils <br />Analytical Data (for land applications made in 1999 for which two cropping cycles are <br />complete), and the required Certification. All other pages in the annual report form are marked <br />"See Producer's Reports" to prevent redundancy of information included with reports submitted <br />by co-permittees. <br />Please note that applications made to the Mayflower Land Application Site at Climax by the <br />Snake River Wastewater Treatment Plant (BMP # 0405) are reported separately by Snake River. <br />In addition Parker AG Services, under BMP #1352, will be reporting their composting of the <br />Dillion/Silverthorne Joint Authority (JSA), Copper Mountain Consolidated Metropolitian <br />District, and Frisco Sanitation District biosolids under separate cover. <br />In 2001, a total of 511 dmt of Class B biosolids were applied to 17 acres of the Robinson land <br />application area. This volume included 119 dmt of staged 2000 biosolids and 392 dmt of 2001 <br />biosolids. Loading and pollutant concentrations are calculated using weighted averages between <br />the producer analyses, and account for the year that the biosolids were produced. The biosolids <br />were applied between mid-July and mid-August. Climax staged 119 tons of Class B sludge that <br />