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iS ENECA <br />Coal Company <br />Colorado Department of Health <br />WQCD -PE -B2 <br />4300 Cherry Creek Drive South <br />Denver, CO 80246 -1530 <br />RE: Quarterly Discharge Monitoring <br />Dear Sir or Madam: <br />RECE <br />..�maUon <br />Divssr <br />M,1■,19 & alaty <br />Report "Jr Permit CO- 0000221 <br />Seneca Coal Company <br />January 11, 2013 <br />Pursuant to the quarterly reporting requirements contained in Colorado Discharge Permit CO- 0000221 for <br />the Seneca Mine Complex, enclosed find the fourth quarter 2012 discharge monitoring reports for <br />Outfalls 005, 006 and 008 to 017. In this quarter, no discharges were observed at Outfalls 005, 009, 011, <br />013 and 014. Intermittent discharge was observed at Outfalls 010, 015 and 017. <br />For Outfall 015, deep snow on this long, narrow road prevented safe access, even with a snowmobile, in <br />December. Winter time monitoring exemptions exists for this site (CPDS permit, Part I, page 20). <br />One mistake was noted on the DMRs sent to me this month. For Outfall WTE ( Outfall 008 WET tests), <br />the frequency should be annual, not semiannual. The permit page indicating that frequency is attached. I <br />notified Tania Watson with the Division of this mistake on January 7. <br />No excursions of effluent limits occurred this quarter. Please contact me at 970 - 276 -5209 if you have any <br />questions. <br />Sincerely, <br />Dennis Jones <br />Hydrologist I <br />cc: Mr. Jared Ebert <br />Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 -2273 <br />Seneca Coal Company • P.O. Box 670 • Hayden, Colorado 81639 <br />Telephone (970) 276 -5217 • FAX (970) 276 -5222 <br />