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TABLE: 16 <br />WILLIAMS FORK MINE <br />2015 ANNUAL HYDROLOGY REPORT <br />WATER QUALITY MONITORING DATA <br />Site: 1SP (022, No. 1 Strip Pit Discharge, spoil spring) <br />CATEGORY <br />PARAMETER <br />ANALYSIS TYPE <br />UNITS <br />AN FEB <br />MAR <br />APR <br />MAY <br />Date <br />3/12/15 3/20/15 3/25/15 3/31/15 4/15/15 4/29/15 <br />5/7/15 5/14/15 5/20/15 5/27/15 <br />PHYSICAL <br />CONDUCTIVIT <br />FLOW <br />PH <br />SOLIDS <br />LAB <br />FIELD <br />LAB/FIELD <br />TOT-DISS, LAB <br />SUSPENDED <br />CFS <br />S.U. <br />MG/L <br />MG/L <br />1 2140 <br />NO 0.0049 <br />DISCHARG 8 <br /><5.0 <br />2140 2100 <br />0.0024 0.0049 <br />8 <br /><5.0 <br />2150 <br />0.0009 <br />7.9 <br /><5.0 <br />2000 <br />0.0049 <br />8 <br /><5.0 <br />1960 <br />0.0024 <br />8.1 <br />1450 <br />5 <br />2135 2000 <br />0.002 <br />8.4 <br /><5.0 <br />2145 <br />0.0024 <br /><5.0 <br />1960 <br />0.0009 <br />8.1 <br /><5.0 <br />HARDNESS NOT MG/L <br />CATIONS <br />CALCIUM <br />DISSOLVED <br />MG/L <br />MAGNESIUM DISSOLVED MG/L <br />ANIONS <br />SULFIDE <br />NOT <br />MG/L <br />0.05 <br /><0.02 <br />0.06 <br />0.15 <br />PRIMARY <br />CADMIUM <br />POT DISSOLV <br />UG/L <br /><0.1 <br /><0.1 <br /><0.1 <br /><0.1 <br />LEAD POT DISSOLV UG/L <0.1 <0.1 <0.1 <br /><0.1 <br />MERCURY TOTAL <br />POT DISSOLV UG/L <0.2 <0.2 <0.2 <br /><0.2 <br />SELENIUM POT DISSOLV UG/L 0.4 0.2 0.1 <br /><0.1 <br />CHROMIUM DISSOLVED UG/L <10 <10 <10 <br />TOTAL RECOV UG/L <10 <10 <10 <br /><10 <br /><10 <br />CHROMIUM -3 DISSOLVED UG/L <10 <10 <10 <br /><10 <br />CHROMIUM -6 DISSOLVED UG/L <5 <5 <5 <br /><5 <br />SECONDARY <br />ARSENIC <br />TOTAL <br />POT DISSOLV <br />UG/L <br />UG/L <br />0.5 <br />0.4 <br />0.6 <br />0.5 <br />0.7 <br />0.5 <br />0.6 <br />0.5 <br />COPPER POT DISSOLV UG/L <10 <10 <10 <br /><10 <br />IRON TOTAL RECOV UG/L 280 420 230 250 380 1 540 290 <br />310 <br />MANGANESE POT DISSOLV UG/L 444 411 523 <br />509 <br />NICKEL POT DISSOLV UG/L 13 <8.0 <8.0 <br /><8.0 <br />SILVER POT DISSOLV UG/L <10 <10 <10 <br /><10 <br />ZINC TOTAL RECOV UG/L <10 <10 <10 <10 <10 <br />POT DISSOLV UG/L <10 <10 <10 <br /><10 <br />I:\Environmental\EMPIREWILLIAMS FORK\Water Permits & RelatedWHR\2015\1SP table 12, 14,16 Page 1 <br />