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TR~PPBB <br />CERTIFIED ~Z067066619 <br />RECEIVED <br />III IIIIIIIIIIIIIIII <br />OCT 3 0 1988 <br />Ms. Cazla I.enkey <br />Colorado Department of Public Health and Envirotmtem pihsion of Minerals 8 Geology <br />WQCD-PE-B2 <br />4300 Cherry Creek Dr. South <br />Denver, CO 80222-1530 <br />Stibject: Thiid,Quartec t998~Colorado. Wastewafer 8e B ~R' <br />Petmft'No; COLOOGi2115 .. -- - - <br />Dear Ms. Lenkey: <br />Enclosed are Trapper Mine's Third Quarter 1998 Colorado Wastewater Discharge Monitoring Reports <br />for the period 7/1/98-9/30/98. During this quarter, four NPDES outfalls were active. Outfall 001 <br />stopped discharging in mid-August and discbarged briefly in mid-September in response to a rainfall <br />event. ~ Outfall 002 discharged routinely throughout the quarter. Outfa11011 ceased discharging is mid- <br />September. Outfall 017 discharged imermittemly during July only. Outfalls 003, 005, 006. 008, 009, <br />010, 012, 013, 014, 015, 016, and 019 did not dischazge during the quarter. Values reported on the <br />enclosed DMRs represem the maximum (or minimum as applicable) momlily/daily values generated at <br />each outfall during the quarter. <br />Also enclosed are monthly NOAA weather summaries for the reporting period, seep volume data for <br />site 011, and WET test report forms as applicable. Two outfalls were sampled for WET analyses <br />during the quarter. Two species acute tests were completed az outfalls 001 and 011. No exceedences <br />of WET test limitations were observed at either outfall. <br />No exocedences of primary effluent limitations occurred during the quarter. Thank you for your <br />cooperation in this matter. Please contact me if you have any questions regarding the enclosed <br />information. <br />Sincerely, <br />r~ c - <br />Kazl C. Koehler <br />Senior Em~'ironmental Engincer <br />Fslmoe <br />c U.S. Fm4wmmW Promctloo ASmry <br />r. r.u..u... CfL1G <br />F4 109.].7 <br />P.O. Box 187 Craig. Colorado 81626 (970) 824-4401 <br />