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. - iiiiiiiiiiiiiiuiii~ <br />998 <br />~~ <br />~~~~ Seneca Co~l_Company <br />April 5, 2001 '~~+~ J ~ aQ0 <br />,~'p ~ <br />Colorado Department of Health ~I~ha <br />WQCD-PE-B2 <br />4300 Cherry Creek Drive South <br />Denver, CO 80222-1530 <br />RE: Quarterly Discharge Monitoring Report for Permit CO-0000221 <br />Dear Sir or Madam: <br />Pursuant to the quarterly reporting requirements contained in <br />Colorado Discharge Permit CD-0000221 for the Seneca Mine Complex, <br />enclosed find the first quarter 2001 discharge monitoring repcrts <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 s~.w <br />necessary. I have been in contact with Tania Watson of your <br />Division in regards to these mistakes. <br />No effluent limits were exceeded this quarter. Please contact me <br />at 970-276-5109 if you have any questions. <br />Sincerely, <br />i- - \ <br />Dennis Jones <br />Hydrologist I <br />cc: Division of Minerals and Geology <br />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 />