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STATE OF COLORADO <br />COLORADO DEPARTMENT OF HEALTH <br />. Dedicated to protecting and improving the health and <br />environment of the people of Colorado <br />4300 Cherry Creek Dr. S. Laboratory Building <br />Denver, Colorado 80222-7530 4210 E. 11th Avenue <br />Phone (3031692-2000 Denver, Colorado 80220-3716 <br />(303) 691-4700 <br />March 23, 1994 <br />Mr. Rick Mills <br />Cyprus Yampa Valley Coal Corp. <br />29587 Routt County Road f/27 <br />Oak Creek, CO 80467 <br />RE: Reported Violation for <br />CDPS Permit No: CO-0027154; Routt County <br />Dear Mr. Mills: <br />~, ~ cc_ <br />~~ ~ "'~ <br />l~; -L <br />°~~'- <br />~/ <br />~x,c „n , 5 ,a <br />pF'CO <br />Nc~ ~ <br />•~ <br />~ 976 ~ <br />rsoy Rant <br />Governor <br />Patrida A Nolan, MD, MPH <br />~e~ a~ <br />This letter acknowledges that the self-monitoring data you have provided on your Discharge Monitoring RepoR(s) <br />indicates a violation of the discharge permit condition(s) as indicated below: <br />Report Outfall <br />Period Number Parameter <br />Reported <br />Result s <br />Permit <br />onditio s <br />Ol/94 OOSA Total Recovetable Iron, mg/I 1.833 (30-day avg) <br />019A Total Recoverable Manganese, mg/1 1.12 (30-day avg) <br />1.0 (30-day avg) <br />1.0 (30-day avg) <br />It is imperative that the necessary steps be taken to maintain compliance with permit conditions at all times. Continued <br />noncompliance may result in a formal enforcement action. <br />If you have any questions regazding this matter, please contact me at 692-3590. <br />Sin/cerely, Q ( ~/ <br />Kathleen L. Kalamen <br />Industrial Enforcement Engineer <br />Permits and Enforcement Section <br />WATER QUALITY CONTROL DIVISION <br />cc: Greg A. Walker, Cyprus Yampa Valley Coal Corp., 9100 E. Mineral Circle, Englewood, CO 80155 <br />Compliance Assurance Section, EPA <br />Local Health Department <br />• Jim Chubrilo, D.E., Field Support Section, WQCD <br />MS-3 Files <br />KLK/dc 9923 <br />