2009-03-03_REPORT - C1982056 (3)

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• Annual I •olo Re ort •j gy p Twentymile Coal Company Report run on: February 23, 200712:20 PA Project: 2000 Foidel Creek Mine Station: A SHLEY ASHLEY CABIN WELL Classification: WELL Category Parameter Analysis Type Average Std Dev Max Min Count Units Begin ANIONS BICARBONATE AS HC03 476.33 85.70 680.00 380.00 9 MG/L 03/96 CARBONATE AS C03 51.75 144.83 410.00 -2.00 8 MG/L 03/96 HYDROXIDE AS OH -2.00 0.00 -2.00 -2.00 3 MG/L 03/96 SULFATE NOT APPLICABLE 37.30 16.15 51.00 0.00 10 MG/L 03/96 CATIONS CALCIUM DISSOLVED 41.44 36.70 98.20 1.70 10 MG/L 03/96 MAGNESIUM DISSOLVED 12.07 11.32 33.00 0.38 10 MG/L 03/96 SAR NOT APPLICABLE 10.46 5.04 13.90 4.68 3 UNDEFINED 03/96 SODIUM DISSOLVED 104.36 69.63 207.00 16.00 10 MG/L 03/96 NUTRIENTS NITROGEN NITRATE 2.66 3.21 9.10 0.15 9 MG/L 03/96 NITRITE -0.02 0.03 0.02 -0.10 9 MG/L 03/96 NO3+NO2 2.61 3.03 9.10 0.15 10 MG/L 03/96 PHOSPHATE ORTHO-DISS 0.00 0.02 0.03 -0.02 9 MG/L 03/96 PHYSICAL PROPERTIES ALKALINITY TOTAL 383.75 22.40 412.00 358.00 4 MG/L 03/96 CONDUCTIVITY FIELD 804.67 92.47 960.00 670.00 12 UMHOS/CM 03/96 LAB 751.78 82.75 841.00 600.00 9 UMHOS/CM 03/96 HARDNESS AS CAC03 84.00 66.84 161.00 41.00 3 MG/L 03/96 PH FIELD 7.74 0.36 8.20 6.89 11 PH 03/96 LAB 7.80 0.46 8.66 7.24 9 PH 07/97 SOLIDS TOTAL-DISS 471.70 60.39 560.00 360.00 10 MG/L 03/96 TEMPERATURE FIELD 10.62 2.06 15.10 8.60 11 DEGREES C 03/96 PRIMARY CADMIUM DISSOLVED 2.86 12.79 39.00 -5.00 10 UG/L 03/96 LEAD DISSOLVED -16.11 35.16 60.00 -50.00 9 UG/L 03/96 MERCURY DISSOLVED -0.16 0.09 0.00 -0.20 9 UG/L 03/96 SELENIUM DISSOLVED 0.70 3.27 8.00 -2.00 10 UG/L 03/96 SECONDARY IRON DISSOLVED -0.44 9.63 12.00 -10.00 9 UG/L 03/96 MANGANESE DISSOLVED 9.00 13.87 40.00 -5.00 9 UG/L 03/96 TRACE METALS BORON DISSOLVED 110.00 0.00 110.00 110.00 1 UG/L 04/04 MOLYBDENUM DISSOLVED -25.56 23.51 0.00 -50.00 9 UG/L 03/96 1-JA