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<br /> <br />PEABODY COAL COMPANY <br />ROCKY MOUNTAIN DIVISION <br />10!73 EAST HARVARD AVENUE <br />SUITE X00 <br />DENVER. COLOR ADO 30331 <br />1703 33T SB03 <br />April 22, 1985 <br />CERTIFIED MAIL <br />RETURN RECEIPT REQUESTED <br />Ms. Sandra Squire <br />Monitoring and Enforcement Section <br />Water Quality Control Division <br />4210 East 11th Avenue <br />Denver, Colorado 80220 <br />Dear Sandy: <br />RE: NONCOMPLIANCE OF PERMIT CONDITIONS, <br />NPDES PERMIT CO-0037656, <br />MESA GRAVEL PIT, <br />ROUTT COUNTY. COLORADO <br />JIJ~_~ ~'~8c <br />As a follow-up to my phone conversation with Don Holmer on Monday, <br />April 22, ]985, I wish to report that a sample taken at the Mesa Gravel <br />Pit discharge monitoring point 001 on April 4, 1985, had a total suspended <br />solids (TSS) concentration of 96 mg/1. This exceeded the effluent limit <br />of 45 mg/1 stipulated in NPDES Permit No. CO-0037656. <br />This exceedance is due to the naturally high TSS concentrations in the <br />spring snowmelt runoff. i <br />Please contact me if <br />Sincerely, <br />J~ <br />,ldy Mednick <br />Hydrogeologist <br />kmt <br />c: Anne Baldrige, CMLR <br />Slade Dingman <br />Craig Jennings <br />Dennis Jones <br />Jim Lunan <br />Steve Martin, OSM <br />Tom Wainwright <br />Don Zulian <br />any questions. <br /> <br />