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• Annual ~; ology Report <br /> <br />Twentymile Coal Company fO~ <br />t. ,' <br />Report run on: February 23, 2007 12:11 Pll Page 1 <br />Project: 2000 Foidel Creek Mine Sfation: 0183106 001-83-106 Classification: WELL <br />Category Parameter Analysis Type Average Std Dev Max Min Count Units Begin End <br />ANIONS BICARBONATE AS HC03 568.76 112.08 667.00 205.00 36 MG/L 10/86 04/05 <br /> CARBONATE AS C03 30.43 36.15 233.00 7.80 36 MG/L 10/86 04/05 <br /> CHLORIDE NOT APPLICABLE 2.00 0.00 2.00 2.00 1 MG/L 08/83 08/83 <br /> HYDROXIDE AS OH -1.91 0.30 -1.00 -2.00 11 MG/L 05/95 04/00 <br /> SULFATE NOT APPLICABLE 196.36 33.32 253.00 99.00 36 MG/L 08/83 04/05 <br />CATIONS CALCIUM DISSOLVED 3.91 11.12 68.00 -1.00 37 MG/L 08/83 04/05 <br /> MAGNESIUM DISSOLVED 0.94 5.68 34.00 -1.00 37 MG/L 08/83 04/05 <br /> POTASSIUM DISSOLVED 0.70 0.00 0.70 0.70 1 MG/L 08/83 08/83 <br /> SAR NOT APPLICABLE 70.69 41.04 172.80 1.41 28 UNDEFINED 08/83 04/00 <br /> SODIUM DISSOLVED 309.11 74.83 378.00 57.00 36 MG/L 08/83 04/05 <br />MEASURED PROPERTIES FLOW RATE FIELD 0.01 0.00 0.01 0.01 7 CFS 04/88 11/88 <br /> WATER LEVEL FIELD 6680.61 78.55 6752.73 6492.60 49 FEET (MSL) 01/87 09/92 <br />MINOR FLUORIDE NOT APPLICABLE 0.36 0.00 0.36 0.36 1 MG/L 08/83 08/83 <br />NUTRIENTS NITROGEN AMMIA-FREE 0.00 0.00 0.00 0.00 1 MG/L 11/87 11/87 <br /> AMMIUM-TOTAL -0.02 0.00 -0.02 -0.02 1 MG/L 11/87 11/87 <br /> NITRATE 0.23 0.18 0.77 -0.02 35 MG/L 05/87 04/05 <br /> NITRITE 0.03 0.04 0.12 -0.02 20 MG/L 06/93 04/05 <br /> N03+N02 0.27 0.17 0.76 -0.02 36 MG/L 08/83 04/05 <br /> PHOSPHATE ORTHO-DISS 0.03 0.02 0.06 -0.02 35 MG/L 05/87 04/05 <br />PHYSICAL PROPERTIES ALKALINITY TOTAL 517.97 81.17 588.00 199.00 29 MG/L 08/83 04/00 <br /> CONDUCTIVITY FIELD 1364.00 200.75 1840.00 570.00 34 UMHOS/CM 01/87 04/03 <br /> LAB 1331.29 182.02 1500.00 547.00 35 UMHOS/CM 05/87 04/05 <br /> HARDNESS AS CAC03 13.21 57.86 309.00 -9.10 29 MG/L 08/83 04/00 <br /> PH FIELD 8.65 0.29 9.30 7.60 34 PH 01/87 04/03 <br /> <br /> <br /> <br />RIMARY <br />SOLIDS <br />TEMPERATURE <br />ARSENIC <br />BARIUM <br />CADMIUM <br />CHROMIUM <br />LEAD <br />MERCURY <br />SELENIUM <br />SILVER LAB <br />TOTAL-DISS <br />FIELD <br />DISSOLVED <br />DISSOLVED <br />DISSOLVED <br />DISSOLVED <br />DISSOLVED <br />DISSOLVED <br />DISSOLVED <br />DISSOLVED 8.64 <br />833.92 <br />13.67 <br />-2.00 <br />109.00 <br />-0.77 <br />-5.00 <br />-29.72 <br />-0.18 <br />0.42 <br />-20.00 0.08 <br />105.16 <br />2.08 <br />0.00 <br />128.69 <br />2.42 <br />0.00 <br />24.55 <br />0.16 <br />6.28 <br />0.00 8.76 <br />960.00 <br />18.00 <br />-2.00 <br />200.00 <br />8.00 <br />-5.00 <br />50.00 <br />0.20 <br />29.00 <br />-20.00 8.50 <br />330.00 <br />6.00 <br />-2.00 <br />18.00 <br />-5.00 <br />-5.00 <br />-100.00 <br />-1.00 <br />-2.00 <br />-20.00 16 <br />37 <br />34 <br />2 <br />2 <br />36 <br />1 <br />36 <br />36 <br />36 <br />1 PH <br />MG/L <br />DEGREES C <br />UG/L <br />UG/L <br />UG/L <br />UG/L <br />UG/L <br />UG/L <br />UG/L <br />UG/L 10/86 <br />08/83 <br />01/87 <br />08/83 <br />08/83 <br />08/83 <br />04/00 <br />08/83 <br />08/83 <br />08/83 <br />08/83 04/05 <br />04/05 <br />04/03 <br />04/00 <br />04/00 <br />04/05 <br />04/00 <br />04/05 <br />04/05 <br />04/05 <br />08/83 <br />