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POWDERHORN <br />COAL COMPANY <br />August 8, 1991 <br />iiiiiiiiiiiiiiuiii ~~c~~~ <br />sss <br />AUG 1 5 1991 a.o. ea. ,430 <br />Mined Land Palisatle, Colora0o 8,52fi <br />(3 W ~ a64~795 t <br />Reclamation Divisio~a, X303, 4fi.-7,e, <br />Anne Ihlenfeldt <br />Industrial Enforcement Engineer <br />Colorado Department of Health <br />WQCD, Permits and Enforcement <br />4210 East 11th Ave. <br />Denver, CO 80220-3716 <br />RE: CDPS Permit CO-0027146 <br />Dear Ms. Ihlenfeldt: <br />In response to your letter dated Auclust 8, 1991, notifying us of <br />a reported violation on our second quarter 1991 DMR for outfall <br />001, we regret to say that an error was made in the reported <br />results. The correct results are as follows: <br />Outfall <br />Number Parameter <br />001 Total Iron, Max. <br />Total Iron Ave. <br />Reported <br />Results <br />19 mg/L <br />17 mg/L <br />Corrected <br />Results <br />0.19 mg/L <br />0.17 mg/L <br />Permit <br />Conditions <br />7.0 mg/L <br />3.5 mg/L <br />As can be seen by comparing the "corrected results" with the <br />"Permit Condition" Powderhorn Coal Company was in compliance with <br />our CDPS Permit requirements during the second quarter of 1991. <br />At this time no changes are necessary to maintain compliance. <br />Please make the necessary changes in our files. <br />Again, we are sorry about any inconvenience this error may have <br />caused. Let me know if you have any further questions. <br />Sincerely, ~ ,~~~ <br />Larry M. Reschke <br />Engineer <br />LMR:th <br />cc: U.S. Environmental Pro`ect?.on Agency <br />Susan L. Morrison, CMLRD <br />