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Annum, ,drology Report <br />Twen* 7-a 4 /?.w <br />Report runes ; March 29, 2007 8:18 Ati e Coal Co mpany <br /> <br />Project: 2003 Wil <br />liams Fork Mine Page <br /> Station: T 7A TR=7i4 <br /> Classification: WELL <br />Category Parameter Analysis T Type <br />yP <br />ANIONS <br />BICARBONATE <br />AS HC03 Average Std-Dev Max Min Count Units <br />Begin <br /> <br /> <br />CARBONATE <br /> <br />AS CAC03 <br />187.48 <br />54.20 <br />287.00 <br />46.36 <br />27 <br />MG/L <br />03/81 6/0 <br />06/0 <br /> <br /> <br />AS C03 25.50 10.61 <br />33.00 <br />18.00 <br />2 <br />MG/L - <br />06/96 <br />0619 <br /> <br />CHLORIDE <br />NOT APPLICABLE 24.53 33.94 156.00 -2.00 19 MG/L 03/81 06/0 <br /> <br />HYDROXIDE <br />AS CAC03 3.78 2.15 8.00 1.00 27 MG/L 03/81 06/0 <br /> <br /> <br />AS OH -2.00 0.00 <br />-2.00 <br />-2.00 <br />2 <br />MG/L <br />06/96 <br />06/9 <br /> <br />SULFATE <br />NOT APPLICABLE -1.00 1.15 0.00 -2.00 4 MG/L <br />06/92 <br />06/9 <br /> <br />CATIONS <br />CALCIUM <br />DISSOLVED 24.85 25.74 85.00 -10.00 27 MG/L 03/81 06/0 <br /> <br />TOTAL RECOV 8.07 6.92 28.00 2.00 19 MG/L 06/83 06/0 <br /> <br />MAGNESIUM <br />DISSOLVED 3.88 2.42 9.00 1.00 8 MG/L <br />03181 <br />12/8. <br /> <br />TOTAL RECOV 24.85 6.29 32.00 14.00 19 MG/L 06/83 06/0 <br /> <br />POTASSIUM <br />DISSOLVED 13.69 1.71 15.00 10.00 8 MG/L 03/81 12/8: <br /> <br /> <br />TOTAL RECOV 8.30 0.00 <br />8.30 <br />8.30 <br />1 <br />MG/L <br />06/83 <br />06/8• <br /> <br />SAR <br />NOT APPLICABLE 6.39 1.08 8.10 5.00 8 MG/L 03/81 12/8. <br /> <br />SODIUM <br />DISSOLVED 2.34 1.10 4.34 1.03 23 UNDEFINED 03/81 06/9, <br /> <br />TOTAL RECOV 38.79 12.09 63.00 19.60 19 MG/L 06/83 06/0, <br /> <br />MEASURED PROPERTIES <br />WATER LEVEL <br />FIELD 63.75 6.45 78.00 59.00 8 MG/L 03/81 12/8; <br /> <br />MINOR <br />FLUORIDE <br />NOT APPLICABLE 6109.54 5.76 6119.20 6096.10 32 FEET (MSL) 03/84 10/9 <br /> <br />NUTRIENTS <br />NITROGEN <br />NITRATE 0.43 0.10 <br />0.88 <br />0.20 <br />22 <br />MG/L <br />03/81 <br />06/9• <br /> <br />NITRITE 0.00 0.03 0.05 -0.02 18 MG/L 03/85 06/01 <br /> <br />N03+NO2 0.00 0.01 0.02 -0.01 5 MG/L 06/92 06/9! <br /> <br />PHYSICAL PROPERTIES <br />ACIDITY <br />AS CAC03 0.03 0.09 0.35 -0.02 22 MG/L 03/81 06/9: <br /> <br /> <br />ALKALINITY <br /> <br />TOTAL 0.00 0.00 <br />0.00 <br />0.00 <br />1 <br />MG/L <br />03/85 <br />03/8! <br /> <br />CONDUCTIVITY <br />FIELD 176.17 30.53 231.00 127.00 24 MG/L 03/81 06/01 <br /> <br />LAB 396.97 87.23 850.00 122.00 86 UMHOS/CM 01/82 07/0; <br /> <br />HARDNESS <br />AS CAC03 383.26 68.90 600.00 265.00 27 UMHOS/CM 03/81 060 <br /> <br />OIL&GREASE VISIBLE <br />NOT APPLICABLE 97.46 35.23 149.00 51.00 18 MG/L <br />03/81 <br />06/91 <br /> <br />PH <br />FIELD 2.00 0.00 2.00 2.00 10 UNDEFINED 03/93 12/91 <br /> <br /> <br />LAB 8.68 0.51 <br />10.10. <br />7.10 <br />86 <br />PH <br />01/82 <br />07/0; <br /> <br />SOLIDS <br />SUSPENDED 8.68 0.65 10.14 6.50 27 PH <br />03/81 <br />06101 <br /> <br />TOTAL-DISS 18.00 14.14 28.00 8.00 2 MG/L 03/81 03/81 <br /> <br />TEMPERATURE <br />FIELD 244.36 51.90 426.00 190.00 22 MG/L <br />03/81 <br />06/9- <br /> <br />PRIMARY <br />ARSENIC <br />DISSOLVED 11.94 2.59 21.00 5.40 81 DEGREES C 05/82 07/0; <br /> <br /> <br />TOTAL RECOV -2.47 9.45 <br />10.00 <br />-40.00 <br />19 <br />UG/L <br />06/83 <br />06/01 <br /> <br />BARIUM <br />DISSOLVED 0.50 2.51 5.00 -2.00 8 UG/L <br />03/81 <br />12/8; <br /> 200.00 0.00 -200.00 -200.00 1 UG/L <br /> 06183 06/8;