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<br /> <br />iii iiiiuiiiiiu iii <br />~~ <br />sFIVE~4 Seneca Co~l_Company <br />,:.„~; <br />Colorado Department of Health <br />WQCD-PE-B2 <br />4300 Cherry Creek Drive South <br />Denver, CO 80222-1530 <br />April 5, 2001 <br />,~I P,~ f) ~0p, <br />,~M~Agg~~3F <br />RE: Quarterly Discharge Monitoring Report for Permit CO-0000221 <br />Dear Sir or Madam: <br />Pursuant to the quarterly reporting requirements contained in <br />Colorado Discharge Permit CO-0000221 for the Seneca Mine Complex, <br />enclosed find the first quarter 2001 discharge monitoring reports <br />for Sites 002 to 006 and 008 to 017. In this quarter, <br />intermittent discharges occurred at Points 005, 012 and 015; no <br />discharges occurred at Points 009, 011 and 016. Weekly vehicle <br />access to Points 015 and 016 were closed due to deep snow, <br />monthly visits were conducted with a snowmobile. Points 013, 014 <br />and 017 have not been constructed yet. <br />Numerous mistakes concerning monitoring periods and frequencies <br />were noted on the DMRs. I have corrected those DMRS as I saw <br />necessary. I have been in contact with Tania Watson of your <br />Division in regards to these mistakes. <br />DIo effluent limits were exceeded this Quarter. Please contact me <br />at 970-276-5109 if you have any questions. <br />Sincerely, <br />Dennis Jones <br />Hydrologist I <br />,cc: Division of Minerals and Geology <br />V Attn. Mike Boulay <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203-2273 <br />Seneca Coal Company P.O. Drawer D Hayden, Colorado 81639 <br />Telephone (970) 276-3707 FAX (970) 276-3014 <br />