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P.O. Box 187 July 13, 2015 CERTIFIED TRAPPER MINING INCE Craig, Colorado 81626 Colorado Department of Public Health and Environment Water Quality Control Division WQCD-P-B2 4300 Cherry Creek Dr. South Denver, CO 80246-1530 Subject: Second Quarter 2015 Colorado Wastewater Discharge Monitoring Reports Permit No. CO -0032115 To whom it may concern: (970)824-4401 RECEIVED JUL 2 12015 DIVISION OF RECLAMATION, MINING AND SAFETY Enclosed are Trapper Mine's Second Quarter 2015 Colorado Wastewater Discharge Monitoring Reports for the period 04/1/15-06/30/15. During this quarter, two NPDES outfalls were active. Outfalls 001 and 002 discharged during the quarter. Outfalls 008, 009, 011, 017, 018, 019, 020, 021, 022, 023 and 024 did not discharge during the quarter. Values reported on the enclosed DMRs represent the maximum (or minimum as applicable) monthly/daily values generated at each outfall during the quarter. The TDS is reportable on a quarterly basis per our permit. The TDS values are as follows for each active outfall: 001 002 3450 mg/L 2010 mg/L No exceedances of primary effluent limitations occurred during this quarter. Also enclosed are monthly NOAA weather summaries for the reporting period. The enclosed NOAA weather summary reports show the temperatures and precipitation measurements for the period mentioned. Daily precipitation measurements are recorded at 7:00 a.m. as well as daily maximum and minimum temperatures from the previous 24 hours. Trapper is required to maintain sediment levels in ponds at or below 60% of the pond volume. All outfalls have been properly maintained and no ponds exceeded the 60% threshold for sediment accumulation. All structures operated properly and were not compromised in any way. All other operations were properly conducted concerning the sediment control structures at Trapper Mine.