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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />• 2006 Annual Hydrology Report 034-14 <br />Hubbard Creek - D2inage System <br />Elevation - 6560 <br />Initiated 10/31/1997 10/31/1997 10/31/1997 10/31/1997 <br />Adivatetl <br />Date 11/1/2006 8/10/2008 6/22/2006 4/19/2006 <br />Summary Information <br /> Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow CFM 0.74 15.09 181.00 N/A 3.1 3.3 N/A <br />FieldComment <br />h w 7.0 7.8 8.6 8.2 7.8 8.2 8.3 <br />Conductivity umhos/cm 50 162 270 210 230 260 140 <br />Temperature Celsius 1.3 9.6 20.9 1.3 16.1 15.3 4.4 <br /> UNITS <br />Bicarbonate m /L 43.0 98.2 187.0 85.46 101.84 96.71 68.38 <br />Chloride mg/L <MDL 3.17 15.80 <MDL <MDL <MDL <MDL <br />Conductivity umhos/cm 69.00 205.79 439.00 172.41 219.42 223.11 119.63 <br />Hartlness mg/L <MDL 79.24 150.00 84.75 97.37 72.07 75.81 <br />Nitrate-Nitrite mglL <MDL 1.680 41.530 4.14 6.224 <MDL 3.916 <br />Oil 8 Grease m /L <MDL 0.680 1.930 0.49 0 <MDL 1.93 <br />H su 6.4 7.8 8.4 7.95 7.83 8.13 7.8 <br />Phosphate mg/L <MDL 0.09 1.53 <MDL <MDL <MDL <MDL <br />ResidueFiltereble-TDS mg/L 50 185 1700 84 177 203 50 <br />ResidueNonFilterable-TSS mg/L <MDL 10.4 124.0 0 0 8 11 <br />SAR <MDL 0.49 1.51 0.56 0.653 0.966 0.22 <br />Sulfate m /L <MDL 47.06 1234.8 25.93 5.76 10.7 20.99 <br />Aluminum mg/L <MDL 0.620 9.690 0.33 1.18 <MDL 0.06 <br />Arsenic mg/L <MDL 0.0048 0.0320 0.029 0.0228 0.018 0.015 <br />Cadmium mg/L <MDL 0.0024 0.0300 0.005 0.03 <MDL 0.0003 <br />Calcium Total m /L 4.57 22.24 43.60 15.03 29.1 19 23.6 <br />Co er m /L <MDL 0.000 0.008 <MDL <MDL <MDL <MDL <br />Iron (Total) mg/L 0.030 0.862 13.800 0.41 0.09 0.03 0.38 <br />Lead mglL <MDL 0.005 0.040 0.02 0.02 0.03 <MDL <br />Magnesium (total) mg(L 0.42 6.22 16.30 6.61 6 5.98 4.1 <br />Man anese otal m /L <MDL 0.182 3.900 <MDL 0.011 <MDL <MDL <br />Mercu m /L <MDL 0.0001 0.0008 0.00068 0.00017 0.0003 0.000024 <br />Molyebdenum mg/L <MDL 0.004 0.053 <MDL <MDL <MDL <MDL <br />Selenium mg/L <MDL 0.0049 0.0710 0.0026 0.03358 0.006 0.0035 <br />Sodium mg/L 3.20 11.54 42.00 10.4 14.8 18.9 4.5 <br />Zinc mg/L <MDL 0.013 0.116 0.006 0.04 <MDL 0.03 <br />The area o/ concern for moni[odng point D34-14 has not been a/fected by the mining operation. Therefore, all recorded <br />monitodng events are cronsidered Baseline. <br />The /ocab'on for the D34-74 monitoring point is on Hubbartl creek just below the igneous intrusion noted as Iron Point. The location <br />can be found where a sapling has been painted white. The point where field paremeters were taken tlid not provide an atlequate <br />method to determine flow values. A USGS station is now in place (#09132940) <br />i• <br />Baseline Information Collection initiated on 10/31/97 antl not yet consitlered complete. <br />Point D3414 has not been influenced Dy mining. <br />Figure No. 101 <br />