2009-03-03_REPORT - C1982056 (3)

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Annual -)ology Report to Twent n oal Com pany Report run on: February 23, 200712:11 PA Page 1 Project: 2000 Foidel Creek Mine Station: 0 183106 001-83-106 Classification: WELL Category Parameter Analysis Type Average Std Dev Max Min Count Units Begin End ANIONS BICARBONATE AS HC03 568.76 112.08 667.00 205.00 36 MG/L 10/86 04/05 CARBONATE AS C03 30.43 36.15 233.00 7.80 36 MG/L 10/86 04/05 CHLORIDE NOT APPLICABLE 2.00 0.00 2.00 2.00 1 MG/L 08/83 08/83 HYDROXIDE AS OH -1.91 0.30 -1.00 -2.00 11 MG/L 05/95 04/00 SULFATE NOT APPLICABLE 196.36 33.32 253.00 99.00 36 MG/L 08/83 04/05 CATIONS CALCIUM DISSOLVED 3.91 11.12 68.00 -1.00 37 MG/L 08/83 04/05 MAGNESIUM DISSOLVED 0.94 5.68 34.00 -1.00 37 MG/L 08/83 04/05 POTASSIUM DISSOLVED 0.70 0.00 0.70 0.70 1 MG/L 08/83 08/83 SAR NOT APPLICABLE 70.69 41.04 172.80 1.41 28 UNDEFINED 08/83 04/00 SODIUM DISSOLVED 309.11 74.83 378.00 57.00 36 MG/L 08/83 04/05 MEASURED PROPERTIES FLOW RATE FIELD 0.01 0.00 0.01 0.01 7 CFS 04/88 11/88 WATER LEVEL FIELD 6680.61 78.55 6752.73 6492.60 49 FEET (MSL) 01/87 09/92 MINOR FLUORIDE NOT APPLICABLE 0.36 0.00 0.36 0.36 1 MG/L 08/83 08/83 NUTRIENTS NITROGEN AMMIA-FREE 0.00 0.00 0.00 0.00 1 MG/L 11/87 11/87 AMMIUM-TOTAL -0.02 0.00 -0.02 -0.02 1 MG/L 11/87 11/87 NITRATE 0.23 0.18 0.77 -0.02 35 MG/L 05/87 04/05 NITRITE 0.03 0.04 0.12 -0.02 20 MG/L 06/93 04/05 N03+NO2 0.27 0.17 0.76 -0.02 36 MG/L 08/83 04/05 PHOSPHATE ORTHO-DISS 0.03 0.02 0.06 -0.02 35 MG/L 05/87 04/05 PHYSICAL PROPERTIES ALKALINITY TOTAL 517.97 81.17 588.00 199.00 29 MG/L 08/83 0 CONDUCTIVITY FIELD 1364.00 200.75 1840.00 570.00 34 UMHOS/CM 01/87 4/00 04/03 LAB 1331.29 182.02 1500.00 547.00 35 UMHOS/CM 05/87 04/05 HARDNESS AS CAC03 13.21 57.86 309.00 -9.10 29 MG/L 08/83 04/00 PH FIELD 8.65 0.29 9.30 7.60 34 PH 01/87 04/03 LAB 8.64 0.08 8.76 8.50 16 PH 10/86 04/05 SOLIDS TOTAL-DISS 833.92 105.16 960.00 330.00 37 MG/L 08/83 04/05 TEMPERATURE FIELD 13.67 2.08 18.00 6.00 34 DEGREES C 01/87 04/03 PRIMARY ARSENIC DISSOLVED -2.00 0.00 -2.00 -2.00 2 UG/L 08/83 BARIUM DISSOLVED 109.00 128.69 200.00 18.00 2 UG/L 08/83 04/00 04/00 CADMIUM DISSOLVED -0.77 2.42 8.00 -5.00 36 UG/L 08/83 04/05 CHROMIUM DISSOLVED -5.00 0.00 -5.00 -5.00 1 UG/L 04/00 04/00 LEAD DISSOLVED -29.72 24.55 50.00 -100.00 36 UG/L 08/83 04/05 MERCURY DISSOLVED -0.18 0.16 0.20 -1.00 36 UG/L 08/83 04/05 SELENIUM DISSOLVED 0.42 6.28 29.00 -2.00 36 UG/L 08/83 04/05 SILVER DISSOLVED -20.00 0.00 -20.00 -20.00 1 UG/L 08/83 08/83 10A