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Bowie Resources, LLC <br />Bowie No. 1 Mine <br />• 2009 Annual Hydrology Report <br />P8700 <br />East Roatcap Creek - Pond 87 <br />Depth - 4' <br />Elevation -7990 <br />Surface Water <br /> Initiated 6/14/1983 6/14/1983 6/14/1983 6/14/1983 <br /> Activated 10/1/1995 10/1/1995 10/1/1995 10/1/1995 <br /> Date 11/12/2009 8/22/2009 6/18/2009 5/13/2009 <br />Summary Information <br />Field Baseline Operation <br />Parameters UNITS Min Ave Max Min Ave Max <br /> Flow GPM 0.0 4.0 134.6 0.0 51.3 1344 0.19 0.63 7.5 18.75 <br /> Freeboard Feet 0.0 0.0 0 0.0 0.8 4 0 0 0 0 <br /> Temperature Celsius 0.7 16.2 28.9 0.5 10.6 23.5 1.1 8.4 17.7 11.8 <br /> Conductivity umhos/cm 70 367 757 70 343 540 540 440 210 220 <br /> pH su 5.8 11.6 174 7.1 8.0 8.4 8.2 7.9 8.2 8 <br /> Field Comments <br /> Lab <br />Parameters <br />UNITS <br /> Bicarbonate mg/L 36 211 385 58 162 279 121.99 <br /> Carbonate mg/L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <br /> Chloride mg/L 1 2 6 <MDL 2.77 4.53 2.43 <br /> Conductivity umhos/cm 77 299 543 112 293 504 256.69 <br /> Hardness mg/L 37 142 247 50 127 213 122.25 <br /> H su 7.3 7.8 8.2 6.7 7.9 8.4 7.53 <br /> ResidueFilterable-TDS mg/L 60 196 324 60 193 327 177 <br /> ResidueNonFilterable-TSS 10 96 585 2 21 44 2 <br />• SAR <br />Sulfate j 0.17 <br /><MDL 3.48 <br />7 36 <br />21 0.23 <br /><MDL 0.64 <br />8.38 1.18 <br />20 0.38 <br />1.4 <br /> Calcium (Dissolved) mg/L 10.0 32.8 53 9.4 28.5 46.4 29.5 <br /> Magnesium (Dissolved) 3.0 16.4 31 4.4 13.5 23.5 11.8 <br /> Sodium (Dissolved) 3.0 21.3 47 3.8 18.1 39 9.8 <br /> TDS Ratio (grav./calc.) 0.93 1.09 1.49 1 <br />This large pond is approximately 200'x 75' (Hanna, 99) <br />Baseline Information for Point P8700 is derived from events beginning on 6/14/83 through 10/1/95. <br />Point influenced by mining on 10/1/95. <br />Figure No. 34