2009-03-03_REPORT - C1982056 (3)

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Annual ology Report A Twentymi e Coal Company Report run on: February 23, 2007 12.21 PA Page 1 Project: 2000 Foidel Creek Mine Station: 09S10 009-S-10 Classification: WELL Category Parameter Analysis Type Average Std Dev Max Min Count Units Begin End ANIONS BICARBONATE AS HC03 517.39 65.37 625.00 204.00 120 MG/L 06/79 05/06 CARBONATE AS C03 7.70 13.05 43.20 -2.00 67 MG/L 06/79 05/06 CHLORIDE NOT APPLICABLE 11.17 7.63 43.00 1.00 46 MG/L 06179 01/87 HYDROXIDE AS OH -1.90 0.44 0.00 -2.00 21 MG/L 12/94 05/06 SULFATE NOT APPLICABLE 212.28 79.92 790.00 110.00 123 MG/L 03/79 05/06 CATIONS CALCIUM DISSOLVED 42.79 13.58 122.00 13.16 123 MG/L 03/79 05/06 MAGNESIUM DISSOLVED 20.77 9.54 92.00 1.23 123 MG/L 03/79 05/06 POTASSIUM DISSOLVED 4.71 1.20 8.70 1.74 35 MG/L 03/79 04/83 SAR NOT APPLICABLE 7.00 1.80 12.72 0.21 103 UNDEFINED 03/79 08/99 SODIUM DISSOLVED 216.32 34.64 310.00 20.00 123 MG/L 03/79 05/06 MEASURED PROPERTIES WATER LEVEL FIELD 6901.66 0.71 6903.71 6898.97 174 FEET (MSL) 03/79 09/92 MINOR FLUORIDE NOT APPLICABLE 0.61 0.75 4.10 -0.50 29 MG/L 06/79 04/83 NUTRIENTS NITROGEN AMMIA-FREE 0.01 0.13 1.11 -0.05 81 MG/L 07/79 09/05 AMMIUM-TOTAL 0.39 0.59 2.20 -0.20 74 MG/L 05/81 05/06 NITRATE 0.70 0.43 1.69 -0.02 71 MG/L 07/86 09/05 NITRITE 0.00 0.03 0.08 -0.02 36 MG/L 03/95 09/05 N03+NO2 0.81 0.50 2.91 -0.02 121 MG/L 06/79 05/06 PHOSPHATE ORTHO-DISS 0.13 0.34 2.36 -0.02 98 MG/L 06/79 05/06 PHYSICAL PROPERTIES ACIDITY AS CAC03 1.50 6.81 10.00 -4.00 4 MG/L 11/79 11/81 ALKALINITY TOTAL 439.38 37.16 512.00 220.00 56 MG/L 07/86 05/06 CONDUCTIVITY FIELD 1061.61 299.24 3220.00 330.00 291 UMHOS/CM 06/79 09/04 LAB 1197.07 89.65 1540.00 920.00 70 UMHOS/CM 07/86 05/06 HARDNESS AS CAC03 188.13 73.15 660.00 37.99 101 MG/L 03/79 08/99 PH FIELD 7.65 0.46 8.80 6.20 290 PH 07179 08/03 LAB 7.97 0.21 8.40 7.57 31 PH 07/86 05/06 SOLIDS SUSPENDED 29.00 14.10 52.00 14.00 12 MG/L 06/79 06/91 TOTAL-DISS 757.93 81.90 1220.00 580.00 123 MG/L 03/79 05/06 TEMPERATURE FIELD 9.08 3.20 20.00 3.00 292 DEGREES C 06/79 08/03 PRIMARY ARSENIC DISSOLVED -0.81 2.15 4.00 -5.00 31 UG/L 06/79 04/89 BARIUM DISSOLVED 1.07 384.54 1300.00 -300.00 28 UG/L 04/79 11/81 CADMIUM DISSOLVED -2.43 8.17 33.00 -20.00 94 UG/L 06/79 05/06 TOTAL RECOV 0.20 0.00 0.20 0.20 1 UG/L 06/91 06/91 LEAD DISSOLVED -38.54 49.02 20.00 -200.00 82 UG/L 06/79 05/06 MERCURY DISSOLVED -0.25 0.48 3.00 -1.00 99 UG/L 06/79 05/06 TOTAL RECOV 0.10 0.00 0.10 0.10 1 UG/L 06/91 06/91 i'9 A