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<br />' <br />Annual.drology Report <br />Tw rG4%le 8 <br /> <br />Re <br />o <br />t en <br />a Coal C ompany <br />p <br />r <br />run on: March 29, 2007 8:48 Ah <br />Project: 2003: Wil liams Fork:M <br />ine Page <br /> . Slafion.? :WF1 W17,1 VII ILLIAI & -ORK, UPSTREAM Glassificationr :STREAM <br />Category.- Parameter Analyst! Type Average St4;Dev <br />ANIONS BICARBONATE <br />AS HC03 Max :Min Count. Units; Begin: Enc <br /> <br />CARBONATE <br />AS CAC03 193.38 60.46 273.28 84.18 14 MG/L <br />06/81 <br />02/9' <br /> <br />AS C03 -2.00 0.00 -2.00 -2.00 1 MG/L 02/97 02/9' <br /> <br />CHLORIDE <br />NOT APPLICABLE 39.20 60.70 109.20 1.20 3 MG/L <br />09/82 <br />03/8; <br /> <br />HYDROXIDE <br />AS CAC03 4.62 3.01 18.00 -1.00 84 MG/L 06/81 05/0( <br /> <br /> <br />SULFATE <br /> <br />NOT APPLICABLE -2.00 0.00 <br />-2.00 <br />-2.00 <br />1 <br />MG/L <br />02/97 <br />02/9' <br /> <br />CATIONS <br />CALCIUM <br /> <br />TOTAL RECOV 76.00 40.41 <br />138.00 <br />21.00 <br />13 <br />MG/L <br />06/81 <br />05/9( <br /> <br />MAGNESIUM <br />TOTAL RECOV 48.25 15.14 67.00 22.00 12 MG/L <br />06/81 <br />12/8; <br /> <br />POTASSIUM <br />TOTAL RECOV 23.25 9.13 33.00 6.00 12 MG/L <br />06/81 <br />12/8: <br /> <br />SAR <br />NOT APPLICABLE 1.94 1.95 8.00 0.40 12 MG/L 06/81 12/& <br /> <br /> <br />SODIUM <br /> <br />TOTAL RECOV 0.52 <br />0.18 <br />0.79 <br />0.18 <br />12 <br />UNDEFINED <br />06/81 <br />12/& <br /> <br />GASES <br /> <br />SULPHIDE <br /> <br />TOTAL 18.00 7.45 <br />25.00 <br />4.00 <br />12 <br />MG/L <br />06/81 <br />12/8: <br /> <br />MEASURED PROPERTIES <br />WATER LEVEL <br />FIELD 0.36 0.00 <br />0.36 <br />0.36 <br />1 <br />MG/L <br />05/90 <br />05/9C <br /> <br />MINOR <br />FLUORIDE <br />NOT APPLICABLE 6145.77 0.86 6149.19 6144.59 62 FEET (MSL) 01/87 12/91 <br /> <br />NUTRIENTS <br />NITROGEN <br />NITRATE 0.13 0.12 0.45 -0.02 12 MG/L 06/81 12/8: <br /> <br /> <br />N03+NO2 -0.02 0.00 <br />-0.02 <br />-0.02 <br />1 <br />MG/L <br />05/90 <br />05/9C <br /> <br />PHYSICAL PROPERTIES <br />ACIDITY <br />AS CAC03 0.03 0.06 0.13 -0.02 13 MG/L 06/81 05/9C <br /> <br />ALKALINITY <br />TOTAL -4.07 28.74 0.00 -241.00 70 MG/L 03/84 05/OE <br /> <br /> <br />CONDUCTIVITY <br /> <br />FIELD 163.07 52.10 <br />225.00 <br />69.00 <br />14 <br />MG/L <br />06/81 <br />02/91 <br /> <br />LAB 551.36 168.41 1125.00 8.77 248 UMHOS/CM 01/82 07/022 <br /> <br />HARDNESS <br />AS CAC03 516.67 179.28 868.00 170.00 79 UMHOS/CM 06/81 05/OE <br /> <br />OIL&GREASE <br />NOT APPLICABLE 219.58 77.92 304.00 80.00 12 MG/L 06/81 12/83 <br /> <br />OIL&GREASE VISIBLE <br />NOT APPLICABLE 1.00 0.00 <br />1'00 <br />1.00 <br />1 <br />MG/L <br />05/90 <br />05/90 <br /> <br />PH <br />FIELD 2.00 0.00 2.00 2.00 39 UNDEFINED 06/87 12/96 <br /> <br /> <br />LAB 10.17 32.70 <br />524.00 <br />7.11 <br />249 <br />PH <br />01/82 <br />07/02 <br /> <br />SOLIDS <br />SETTLEABLE 8.14 0.32 8.79 7.30 81 PH <br />06/81 <br />05/06 <br /> <br />SUSPENDED 0.40 0.00 0.40 0.40 1 MUL <br />05/90 <br />05/90 <br /> <br />TOTAL-DISS 91.38 289.32 2810.00 -5.00 215 MG/L . <br />06/81 <br />05/06 <br /> <br />TEMPERATURE <br />FIELD 328.36 119.83 588.00 124.00 85 MG/L <br />06/81 <br />05/06 <br /> <br />PRIMARY <br />ARSENIC <br />TOTAL 8'61 7.08 23.80 -0.30 244 DEGREES C 05/82 07/02 <br /> <br /> <br />TOTAL RECOV 2.00 0.00 <br />2.00 <br />2.00 <br />1 <br />UG/L <br />05/90 <br />05/90 <br /> <br />BARIUM <br />TOTAL RECOV -0.33 2.31 5.00 -2.00 12 UG/L <br />06/81 <br />12/83 <br /> <br />CADMIUM <br />TOTAL 41.67 239.16 400.00 -200.00 12 UG/L <br />06/81 <br />12/83 <br /> <br />TOTAL RECOV 5.00 0.00 -5.00 -5.00 4 UG/L <br />03/84 <br />12/84 <br /> <br />LEAD <br />TOTAL 3.60 3.36 5.00 -5.00 18 UG/L <br />06/81 <br />05/90 <br /> 20.00 0.00 -20.00 -20.00 4 UG/L <br /> 03/84 1 9/Ra