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999 <br /> CLIMAX MOLYBDENUM COMPANY COLORADO OPERATIONS <br /> A Oivwsion of C4pr s CLmax Metals Ca Climax Mine <br /> I Hwy.91 <br /> Climax,Colorado 80249 <br /> (719)486-2150 <br /> RECEIVED Fax:(719)486-2251 <br /> February 17, 1999 MAR ®4 1999 <br /> Ms. Lori Tucker <br /> Biosolids Management Program i;J°sf4ar'of MineralsGeology <br /> CDPH&E, Water Quality Control Division <br /> Denver, Colorado 80246 -1530 <br /> RE. 1998 Biosolids Annual Report-Climax Molybdenum Company, Climax Mine <br /> Robinson Tailing Site (CDPHE BMP#0834) <br /> Dear Ms. Tucker: <br /> Enclosed is the 1998 Annual Biosolids Report for the Climax Molybdenum Company's Robinson <br /> Tailing Site. The report contains General Facility Information, Land Application Site Information, <br /> Cumulative Loading, and the Biosolids Application Summary. Also attached is the required <br /> certification statement. All other pages in the annual report are marked "See Producers Reports' <br /> to prevent redundancy of information Included with reports submitted by co-permittees. <br /> For items (A) and (8) on the Report Contents page, please see the producers reports. Item (C), <br /> soil analyses, is included for the first time as the first growing season was completed on-the areas <br /> that received 1997 land applications of biosolids. Item (D), additional monitoring, is not included <br /> as no addition monitoring is required by the NOA. <br /> In 1998, a total of 182.24 tons of biosolids were applied to 6.1 acres on the Robinson Tailing Land <br /> Application Area. This volume included 113.59 tons of staged 1997 biosolids and 68.63 tons of <br /> 1998 biosolids. Loading and pollutant concentrations are calculated using weighted averages <br /> between the producer analyses and the year the biosolids were produced. The biosolids were <br /> applied in August and September. Climax staged 274.53 tons of sludge as described below and <br /> received another 218.98 tons that will be prepared for spreading early the spring of 1999 Total <br /> tonnage received from the Summit County Biosolids Producers in 1998 was 562.15 tons. <br /> Biosolids received by the Climax Mine are staged through the winter for early spring preparation. <br /> In the spring (late May), the biosolids prepared by mixing the sludge at a ratio of approximately <br /> 1:1 with wood chips and then spread by truck and grader at the Robinson Tailing Site in late <br /> summer. The biosolids and wood chips provide an organic base over the rock capped tailing <br /> pond and assist in reclamation of the site. _ <br /> } <br /> Please call if you have any questions. I can be red Ps Form 3800,April 1995 cn Cn <br /> w 9 m CDa H H m O O"Cn <br /> Sincerely, � o y n o <br /> Z CD <br /> in co C S <br /> Bryce Romig W T m m co o 0 <br /> Climax Mine H m CD <br /> L , - n <br /> I 1 H o n lu <br /> Enclosures <br /> C v g <br /> a ru <br /> Cc: Mr. Robert Brobst-EPA o, o <br /> Co-permittees n "`� m sy <br /> ` N c m <br /> I <br /> I <br />