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STATE OF COLORADO <br />DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832-8106 <br />July 30, 2008 <br />Brian Watterson <br />Twentymile Coal Company <br />Foidel Creek Mine <br />29515 Routt County Road No. 27 <br />Oak Creek, CO 80467 <br />RE: March 2008 and First Quarter 2008 Discharge Monitoring Report, CO-0027154 <br />Dear Mr. Watterson: <br />COLORADO <br />D I V1 S I ON OF <br />RECLAMATION <br />MINING <br />SAFETY <br />Bill Ritter, Jr. <br />Governor <br />Harris D. Sherman <br />Executive Director <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />Twentymile Coal Company (TCC) submitted NPDES Discharge Monitoring Report (DMR), for March <br />2008 and First Quarter 2008, Colorado Department of Public Health and Environment CDPS permit no. <br />CO-0027154 on May 02, 2008. Only Outfall 005A/0055X/MOM005 (Pond D) discharged during the time <br />period. No parameter exceedances were measured. WET tests were conducted, and no acute toxicity to <br />Daphnia magna were measured. <br />The report is in compliance with Rule 4.15.13(2)(iii). Thank you for prompt submittal of this report. <br />Sincerely, <br />Jane •H:`Bi <br />vironmen l Protection Specialist <br />6 jhb/C8 6/DMRs/2008/March and 1St Q 000027154.doc <br />CC: Dan Hernandez, DMG <br />Office of Office of <br />Mined Land Reclamation Denver - Grand Junction - Durango Active and Inactive Mines