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n r I q $l~~o TRAPPGR 1GINING INC. i Jnly 20, zoo6 CERTIFIED ~C~I V ~~ Ms. Carla Lenkey Colorado Department of Public Health and Environment JUt 3 12006 WQCD-PE-B2 4300 Cherry Creek Dr. South Denver, CO 80222-1530 Divimon of Mina~als snd GecIO9Y SubJect: Second Quarter 2006 Colorado Wastewater Disc harge Monitoring Reports Permit No. CO-0032115 Deaz Ms. Lenkey: Enclosed are Trapper Mine's Second Quarter 2006 Colorado Wastewater Discharge Monitoring Reports for the period 04/1/06-06/30/06. During this quarter, five NPDES outfalls were activ~ Outfalls 001 and 002 discharged routinely until June. Outfall 011 discharged in early April due to warming wea er and snowmelt. Outfalls 020 and 021 discharged routinely through the quarter in response to rainfall, snowmelt, and pit pumping. Outfalls 005, 008, 009, 012, 013, 014, 015, 016, 017, 018, 019, 023 and 024 did not discharge during the quarter. Outfall 022 is associated with a sediment pond that has not yet been constructed. Values reported on the enclosed DMRs represent the rnaximum (or minimum as applicable) monthly/daily values generated at each outfall during the quarter. Also enclosed aze monthly NOAA weather summaries for the reporting period and WET test report forms as applicable. Two outfalls were sampled for WET analyses during the quarter. Two species acute tests were completed a[ outfalls 020 and 021. No exceedances of WET test limitations were observed at any tested outfalls. No exceedences of primary effluent limitations occurred a[ any outfall during the quarter. Please contact me if you have any questions regarding the enclosed information. Sincerely, . ~°~ Graham Roberts EHS Specialist GCR ~ WATER/DMR/Quarrerly 4nerllM Quaner 30067 Erclovre i larcl Bimu. CDMG File 109.IJ P.O. Box 187 Craig, Colorado 81626 (970) 824-4401