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<br />III~~II III <br />III IIIIIIss <br />~~~~ <br />.S ~~ Seneca Coal Company <br />Coal Company <br />April 7, 2000 <br />Colorado Department of Health <br />WQCD-PE-B2 <br />4300 Cherry Creek Drive South <br />Denver, CO 80222-1530 <br />RE: Quarterly Discharge Monitoring Report £or 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 2000 discharge monitoring reports <br />for Sites 002 to 006 and 008 to 017. In this quarter, discharges <br />were observed every month at all points except Points 005 and 015 <br />(intermittent); no discharges were noted at Points 009, 011, and <br />012. Points 013, 014, 016, and 017 have not been constructed <br />yet. No effluent limits were exceeded this quarter. Access to <br />Point 015 was restricted due to snowpack, weekly monitoring was <br />not performed, however, monthly monitoring (via snowmobile) was <br />performed. <br />Several mistakes concerning monitoring periods were noted on the <br />DMRs. I have corrected those DMRs as I saw necessary. Please <br />contact me at 970-276-5109 if you. have any questions. <br />Sincerely, <br />Dennis Jon s <br />Hydrologist I <br />cc: Division of Minerals and Geology <br />/ Attn. Mike Boulay <br />I 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 />