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' West Elk Coal Company, inc. ~f <br />... .. ........cn .= ~. a //~~ <br /> February 4, 1985 <br />' <br /> Colorado Department of Health <br /> Water Quality Control Division <br />' Denver, Colorado 80203 <br /> Re: Maximum BODS and <br /> Total Suspended Solids <br />' Exceedances <br /> Dear Sirs: <br />' <br /> The results of the November sample, from discharge <br /> location 007, were out of compliance on maximum <br /> BODS and total suspended solids. There was no obvious <br />' reason for these exceedances in the treatment plant. <br />' Additional samples were taken and the lab was contacted. <br />The Iab found that the influent and effluent results <br /> had been mixed up and that there may be some doubt <br /> as to the accuracy of the results. The additional <br />' samples support this idea. The results are listed <br /> below: <br /> 11-19-84 11-29-84 <br /> BODS 20 mg/1 4.0 mg/1 <br /> <br /> T.S.S. 5.6 mg/1 10 mg/1 <br /> The December and January samples are in compliance so <br /> the first November sample was either incorrect or an <br /> unrepresentative sample. <br />' Should there be any questions, please call me at the <br /> above listed phone number. <br />' Sincerely, <br /> <br /> ` <br />r <br /> t D <br />Robe <br />. Bowman <br /> Environmental Coordinator <br /> <br /> RDB/jm <br />A-3 <br />