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E/VECA <br />? <br />Cad Company Seneca Coal Company <br />Ap <br />October 18, 2010 <br />Colorado Department of He'6' 1• <br />WQCD-PE-B2 ??G?` ?1?.????_! <br />4300 Cherry Creek Drive South <br />Denver CO 80246-1530 <br />RE: Quarterly Discharge Monitoring Report for Permit CO-0000221 <br />Dear Sir or Madam: <br />Pursuant to the quarterly reporting requirements contained in Colorado <br />Discharge Permit CO-0000221 for the Seneca Mine Complex, enclosed find <br />the third quarter 2010 discharge monitoring reports for Outfalls 005, <br />006 and 008 to 017. In this quarter, no discharges were observed at <br />Points 005, 009, 011, 013 and 014. <br />I noticed two mistakes when I filled out these new DMRs. Both mistake <br />are on Outfall 017 (017-A on the DMR). Total suspended solids and <br />total iron are on the DMR, but are not required to be monitored in the <br />CPDS permit, page 19, nor do they have effluent limits, pg. 11. I <br />notified Tania Watson of the Division about these errors in an email <br />today. <br />No excursions of effluent limits occurred this quarter. Please contact <br />me at 970-276-5209 if you have any questions. <br />Sincerely, <br />Dennis Jones <br />Hydrologist I <br />cc: Mr. Daniel Mathews <br />Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203-2273 <br />Mr. Daniel Mathews <br />Division of Reclamation, Mining and Safety <br />101 South 3rd, Suite 301 <br />Grand Junction, CO 81501 <br />Seneca Coal Company • P.O. Box 670 • Hayden, Colorado 81639 <br />Telephone (970) 276-5217 • FAX (970) 276-5222