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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report D32-4 <br />Terror Creek - Drainage System <br />Elevation - 7480 <br />Initiated 10/31/1997 10/31/1997 10/31/1997 10/31/1997 <br />Activated <br />Date 10/26/2016 9/21/2016 6/28/2016 4/18/2016 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Baseline <br />Min Ave <br />Operation <br />Max Min Ave Max <br />Flow <br />CFS <br />0.09 <br />5.39 <br />75.80 <br />0.2 <br />2.0 <br />1.1 <br />FieldComment <br />ph <br />su <br />7.0 <br />8.0 <br />8.8 <br />1 <br />8.5 <br />8.4 <br />8.3 <br />8.4 <br />Conductivity <br />umhos/cm <br />20 <br />113 <br />260 <br />207 <br />125 <br />125.7 <br />110 <br />Temperature <br />Celsius <br />0.1 <br />10.1 <br />19.0 <br />5.3 <br />13 <br />10 <br />2.8 <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />1.7 <br />62.5 <br />144.6 <br />1.7 <br />64.6 <br />61.8 <br />Chloride <br />mg/L <br /><MDL <br />5.5 <br />76.9 <br />1.8 <br />0.71 <br />0.96 <br />Conductivity <br />umhos/cm <br />63.0 <br />135.5 <br />429.0 <br />169 <br />102 <br />91.9 <br />Hardness <br />mg/L <br />22.3 <br />58.1 <br />192.3 <br />89.1 <br />57.9 <br />42.3 <br />Nitrate -Nitrite <br />mg/L <br /><MDL <br />0.7 <br />8.1 <br /><MDL <br />.0.13 <br /><MDL <br />Oil & Grease <br />mg/L <br /><MDL <br />2.4 <br />6.4 1 <br /><MDL <br /><MDL <br /><MDL <br />pH <br />su <br />6.6 <br />7.4 <br />8.3 <br />8.09 <br />8 <br />7.83 <br />Phosphate <br />mg/L <br /><MDL <br />0.17 <br />1.37 <br /><MDL <br /><MDL <br />0.04 <br />ResidueFilterable-TDS <br />mg/L <br />37 <br />120 <br />342 <br />128 <br />118 <br />109 <br />ResidueNonFilterable-TSS mg/L <br /><MDL <br />32 <br />450 <br /><MDL <br /><MDL <br /><MDL <br />SAR <br /><MDL <br />0.87 <br />28.16 <br />0.3270 <br />0.26801 <br />0.2790 <br />Sulfate <br />mg/L <br /><MDL <br />8.9 <br />54.8 1 <br />4.6 <br />3.1 <br />2.3 <br />Aluminum (TREC) <br />mg/L <br /><MDL <br />1.35 <br />11.17 <br /><MDL <br />1.96 <br />1.26 <br />Arsenic (TREC) <br />mg/L <br /><MDL <br />0.0105 <br />0.1680 <br /><MDL <br /><MDL <br /><MDL <br />Cadmium (TREC) <br />mg/L <br /><MDL <br />0.0724 <br />2.0700 <br /><MDL <br /><MDL <br /><MDL <br />Calcium (TREC) <br />mg/L <br /><MDL <br />14.1 <br />65.4 <br />21.2 <br />14.5 <br />11 <br />Copper (TREC) <br />mg/L <br /><MDL <br />0.005 <br />0.050 <br /><MDL <br /><MDL <br /><MDL <br />Iron (Dissolved) <br />mg/L <br /><MDL <br />8.73 <br />165.00 <br />0.134 <br />0.209 <br />Iron (TREC) <br />mg/L <br />0.020 <br />0.972 <br />5.420 <br />0.175 <br />1.91 <br />1.03 <br />Lead (TREC) <br />mg/L <br /><MDL <br />0.0087 <br />0.0500 <br /><MDL <br /><MDL <br /><MDL <br />Magnesium (TREC) <br />mg/L <br /><MDL <br />5.44 <br />11.10 <br />8.79 <br />5.28 <br />4.55 <br />Manganese (TREC) <br />mg/L <br /><MDL <br />0.045 <br />0.277 <br />0.0122 <br />0.121 <br />0.0223 <br />Mercury (TREC) <br />mg/L <br /><MDL 0.00007 0.00027 <br /><MDL <br /><MDL <br /><MDL <br />Molyebdenum (TREC) <br />mg/L <br /><MDL <br />0.037 <br />0.900 <br /><MDL <br /><MDL <br /><MDL <br />Selenium (TREC) <br />mg/L <br /><MDL <br />0.005 <br />0.024 <br /><MDL <br /><MDL <br /><MDL <br />Sodium (TREC) <br />mg/L <br />2.3 <br />5.5 <br />20.3 <br />7.34 <br />4.59 <br />4.04 <br />Zinc (TREC) <br />mg/L <br /><MDL <br />0.023 <br />0.160 <br /><MDL <br /><MDL1 <br /><MDL <br />The area of concern for monitoring point D32-4 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />The D32-4 Monitoring Point is on upper Terror Creek. It is located at the Cottonwood Stomp ford. This point is used to obtain <br />conductivity, pH and temperature readings. The irregular stream channel found at this location does not provide an adequate <br />method of determining flow values. Flow values are taken from the USGS discharge information for station #09132985. <br />Station #09132985 is operated seasonally, March through October only. <br />Note 1: USGS did not collect flow data during first quarter 2015 or in 2016. <br />Baseline Information Collection initiated on 10/31/97 and not yet considered complete. <br />Point D32-4 has not been influenced by mining. <br />Figure 62 <br />