2017-04-28_REPORT - C1981038 (3)

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Bowie Resources, LLC Surface Water Bowie No. 1 Mine 2016 Annual Hydrology Report S3200 West Roatcap Creek - Spring 32 Elevation - 7900 Initiated Activated Date 10/1/1993 10/1/1993 10/1/1993 Baseline Min Ave 9/16/2016 5/12/2016 2/25/2016 Summary Information The area of concern for monitoring point S3200 has not been affected by the mining operation. Therefore, all recorded monitoring events are considered Baseline. Spring 32 is monitored on a monthly basis for flow rates and field parameters and water quality samples are obtained from this locat Baseline Information Collection initiated on 10/1/93 and not yet considered complete. Point S3200 has not been influenced by mining. UNITS Baseline Min Ave Operation Max Min Ave Max Flow GPM 0 4.33 34.38 2.65 10 0.0046 Temperature Celsius 1.6 8.0 13.4 11.6 7.81 5.6 Conductivity umhos/cm 250 644 860 769 7901 670 pH su 6.77.4 8.4 7.37 7.41 7.6 Field Comments Lab Parameters UNITS Bicarbonate mg/L 142 286 426.8 Carbonate mg/L <MDL 0.3 3.9 Chloride mg/L <MDL 21.7 196.7 Conductivity umhos/cm 365 1 665 985 1 1 Hardness mg/L 105.2 264.5 517 Acidity mg/L -330 -17 42 pH su 6.5 7.5 8.4 ResidueFilterable-TDS mg/L <MDL 441 663 ResidueNonFilterable-TS mg/L <MDL 16 73 SAR 0.483 1.39 3.16 Sulfate mg/L 3.0 71.0 163.0 Calcium (Dissolved) mg/L 8.48 67.4 160.2 Iron (Dissolved) mg/L <MDL 0.04 0.28 Iron (Total) mg/L 0.01 0.09 0.44 Magnesium (Dissolved) mg/L 5.6 23.6 66 Manganese (Total) mg/L <MDL 0.033 0.1 Sodium (Dissolved) mg/L 11.4 51.8 105 TDS Ratio (gray./calc.) <MDL 0.96 1.15 The area of concern for monitoring point S3200 has not been affected by the mining operation. Therefore, all recorded monitoring events are considered Baseline. Spring 32 is monitored on a monthly basis for flow rates and field parameters and water quality samples are obtained from this locat Baseline Information Collection initiated on 10/1/93 and not yet considered complete. Point S3200 has not been influenced by mining.