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TABLE:2A <br />TWENTYMILE COAL, LLC <br />2014 ANNUAL HYDROLOGY REPORT <br />WATER QUALITY MONITORING DATA <br />Site: 09794 (009 -79 -4, Bedrock Well) DATUM = 7004.54 <br />SYS LOC CODE: <br />09794 <br />CHEMICAL_NAME <br />UNIT <br />AVERAGE MAXIMUM MINIMUM STDEV VAR <br />Alkalinity as CaCO3, @ pH 4.5 <br />MG /L <br />364.50 <br />392 <br />353 <br />14.6526 <br />214.70 <br />Bicarbonate as HCO3 <br />MG /L <br />435.8333 <br />478 <br />406 <br />25.0393 <br />626.9667 <br />Cadmium <br />MG /L 10.0005 <br />0.0005 <br />0.0002 <br />0.0001 <br />0 <br />Calcium <br />MG /L <br />14.7667 <br />24.70 <br />9.90 <br />5.2534 <br />27.5987 <br />Carbonate as CO3 <br />MG /L <br />14.3333 <br />20 <br />5 <br />6.5929 <br />43.4667 <br />Hydroxide as OH <br />MG /L <br />20 <br />20 <br />20 <br />0 <br />0 <br />Iron <br />MG /L <br />0.0433 <br />0.07 <br />0.02 <br />0.0197 <br />0.0004 <br />Lead <br />MG /L <br />0.20 <br />0.20 <br />0.20 <br />0 <br />0 <br />Magnesium <br />MG /L <br />8.4667 <br />13.70 <br />5.70 <br />2.8190 <br />7.9467 <br />Manganese <br />MG /L <br />0.0195 <br />0.03 <br />0.0060 <br />0.0116 <br />0.0001 <br />Mercury <br />MG /L <br />0.0010 <br />0.0010 <br />0.0010 <br />0 <br />0 <br />Molybdenum <br />MG /L <br />0.05 <br />0.05 <br />0.05 <br />0 <br />0 <br />NO3 -NO2 Nitrogen <br />MG /L <br />0.0783 <br />0.10 <br />0.03 <br />0.0337 <br />0.0011 <br />pH Temperature <br />DEG -C <br />22.1667 <br />25 <br />19 <br />1.9408 <br />3.7667 <br />pH, Lab <br />S. U. <br />8.2333 <br />8.50 <br />7.80 <br />0.2422 <br />0.0587 <br />Phosphorus <br />MG /L <br />0.02 <br />0.02 <br />0.02 <br />0 <br />0 <br />Phosphorus, Orthophosphorus <br />MG /L <br />0.0160 <br />0.02 <br />0.01 <br />0.0055 <br />0 <br />Selenium <br />MG /L <br />0.0004 <br />0.0005 <br />0.0001 <br />0.0002 <br />0 <br />Sodium <br />MG /L <br />196.3333 <br />212 <br />176 <br />13.9236 <br />193.8667 <br />Specific Conductivity, Lab <br />UMHOS /C <br />938.50 <br />1010 <br />848 <br />61.8442 <br />3824.70 <br />Sulfates <br />MG /L <br />135 <br />150 <br />120 <br />13.7840 <br />190 <br />Total Dissolved Solids, Lab <br />MG /L <br />600 <br />1630 <br />1560 <br />123.6643 <br />1560 <br />