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C---1 q g f - c~ ~~ <br />TRAPPER MINING INC. <br />JDIy z3, 2007 <br />CERTIFIED <br /> EECEIVED <br />Ms. Carla Lenkey JUL 3 p <br /> <br />Colorado Department of Public Health and Environment 200 <br />WQCD-PE-B2 Division of Recl <br /> <br />4300 Cherry Creek Dr. South amatitttt, <br />Mining and Safety <br />Denver, CO 80222-1530 <br />Subject: Second Quarter 2007 Colorado Wastewater Discharge Monitoring Reports <br />Permit No. CO-0032115 <br />Dear Ms. Lenkey: <br />Enclosed are Trapper Mine's Second Quarter 2007 Colorado Wastewater Discharge Monitoring Reports for the <br />period 04/1/07-06/30/07. During this quarter, five NPDES outfalls were active. Outfalls 001 and 002 <br />discharged routinely until mid June. Outfall 011 discharged once in early April due to warming weather and <br />snowmelt and mid May due to pit pumping. Outfa11020 discharged routinely through the quarter in response to <br />rainfall, snowmelt, and dewatering activities. Outfa11021 discharged due to rainfall and pit primping. Outfalls <br />005, 008, 009, 012, 013, 014, 015, 016, 017, 018, 019, 023 and 024 did not discharge during the quarter. <br />Values reported on the enclosed DMRs represent the maximum (or minimum as applicable) monthly/daily <br />values generated at each outfall during the quarter. <br />Also enclosed are monthly NOAH weather sutrtmaries for the reporting period and WET test report forms as <br />applicable. Three outfalls were sampled for WET analyses during the quarter. Two species acute tests were <br />completed at outfalls 011, 020 and 021. No exceedances of WET test limitations were observed at any tested <br />outfalls. <br />No ezceedences of primary effluent limitations occurred at any outfall during [he quartet. Please contact me if <br />you have any questions regarding the enclosed information. <br />Sincerely, <br />/V'~^"~ <br />Graham Roberts <br />EHS Specialist <br />CCR (WATER/DMR/Quarterly Letter2M Quarter 2(1077 <br />Fsclasure <br />c Janet aims. CDRMS <br />File 109.2.7 <br />P.O. Box 187 Craig, Colorado 81626 (970) 824-4401 <br />