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1 Wesl Elk Coal Company,lnc. ~ d <br />.. ., ., , <br />February 4, 1985 <br />Colorado Department of Health <br />Water Quality Control Division <br />Denver, Colorado 80203 <br />Re: Maximum BODE and <br />Total Suspended Solids <br />Exceedances <br />l Dear Sirs: <br />1 The results of the November sample, from discharge <br />location 007, were out of compliance on maximum <br />l BODS and total suspended solids. There was no obvious <br />J reason for these exceedances in the treatment plant. <br />Additional samples were taken and the lab was contacted. <br />The lab 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 />GODS 20 mg/1 4.0 mg/1 <br />3 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 />Robert D. Bowman <br />Environmental Coordinator <br />' RDB/jm <br />A-3 <br />