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~, iiiiiiiiiiinium <br />~~/ ^ RECEIVED <br />S pVE~„A OCT 2 6 1,~:, <br />Coal Company <br />DIV. OF MINERALS <br />8 GEOLOGY <br />Colorado Department of Health <br />WQCD-PE-B2 <br />4300 Cherry Creek Drive South <br />Denver, CO 80222-1530 <br />V'l~ VIQ ('J O~.( 141;. - ~ ~ ~/"l. ~Y' <br />C. <br />., <br />Seneca Coal Company <br />23, 1998 <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 third quarter 1998 discharge monitoring reports <br />for Sites 002, 003, 004, 005, 006, 008, 009, 010, and 011. <br />Please note that the WET test DMR's for Sites 002, 003, and 006 <br />have remarks on them pertaining to incorrect sampling <br />frequencies. The correct frequencies are found in Part I, Page 14 <br />of our permit. <br />Your division was notified in a letter dated July 17 of a WET <br />test failure at Point 005. In a second letter dated July 17 <br />(incorrectly dated, actually written on July 23) we committed to <br />performing a Salinity Toxicity Relationship (STR) test at this <br />site. The results to the STR were sent to your division in a <br />letter dated August 19. All three of these letters have been <br />attached, along with a copy of the STR report (WET test reporting <br />forms are located with the DMR forms). Details pertaining to the <br />noncompliance may be found in these three letters. <br />Your division was notified in a letter dated August 3 (also <br />attached) of a sediment spill at Point 005. Clean up of this <br />spill is mentioned in the same August 19 letter referenced <br />previously. <br />Your division was notified in a letter dated August 27 of a WET <br />test failure at Point 008. In a letter dated October 8, the <br />incident was closed. Both letters have been attached (WET test <br />reporting forms are located with the DMR forms). Details <br />pertaining to the noncompliance may be found in these letters. <br />Seneca Coal Company P.O. Drawer D ' Hayden, Colorado 81639 <br />Telephone (970) 276-3707 FAX (970) 276-3014 <br />