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r <br />' Colowyo Coal Company, L. P. <br />5731 State Highway 13 <br />Meeker, Colorado 81611 <br />(970)924-1571 <br />(970) g?41598 FAX <br />Kimberley A. wolf <br />Environmental Engineer <br />July 21, 1999 <br />~II ~I~II~II~II~~ II~ <br />/~ Kennecarr999 <br />l~ .Energy , _ <br />Colowyo Coal Company L.P. <br />RECEIVED <br />Ms. Carla Lenkey 'JUL 221999 <br />Colorado Department of Public Health and Envirotunent <br />Water Quality Control Department DivisionoiMineraLc&Geob~y <br />4300 Cheery Creek Drive South <br />Denver, CO. 80222-1530 <br />RE: COLORADO WASTEWATER DISCHARGE PERMIT SYSTEM NUMBER CO-0045161 <br />SECOND QUARTER 1999 INDUSTRIAL DISCHARGE MONITORING REPORT <br />Dear Ms. Lenkey, <br />Colowyo is submitting the Second Quarter 1999 Industrial Discharge Monitoring Report (DMR) [o the <br />Colorado Department of Public Health and Environment, Water Quality Control Division. Discharges <br />occurred at Outfalls OOIA, 004A, OOSA, 007A, 008A, OlOA, and OIOB. <br />Colowyo respectfully requests the Alternate Limits apply to Outfalls 004A, 007A and OlOA. The self- <br />monitoring data provided on the enclosed DMRs indicate levels above certain discharge permit <br />conditions as indicated and discussed below. <br />Outfal I <br />Number Date <br />OLOA 4/l2/99 <br />004A 4/27/99 <br />007A 4/27/99 <br />Parameter <br />TSS, mg/I <br />TSS, mg/I <br />Total Fe, mg/I <br />Total Fe, mg/I <br />TSS, mg/I <br />TSS, mg/I <br />TSS, mg/I <br />Total Fe, mg/l <br />Total Fe, mg/I <br />Reported Permit <br />Results Conditions <br />62,509 (30 day avg.) 35 (30 day avg.) <br />125,000 (daily max) 70 (daily max) <br />305 (30-day avg.) <br />609 (daily max) <br />64 (30 day avg.) <br />280 (30 day avg.) <br />280 (daily max) <br />9.9 (30-day avg.) <br />9.9 (daily max) <br />3.5 (30 day avg.) <br />7.0 (daily max) <br />35 (30 day avg.) <br />35 (30 day avg.) <br />70 (daily max) <br />3.5 (30 day avg.) <br />7.0 (daily max) <br />