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Annual ~~ ology Report d~ <br /> Twentymile Coal Company <br />Report run on: February 23 <br />200712:19 Pll <br /> , Page 1 <br />Project: 2000 Foidel Creek Mine Station: 91M004 FCS PE RRY Classification: WELL <br />Category Parameter Analysis Type Average Std Dev Max Min Count Units Begin End <br />ANIONS BICARBONATE AS HC03 499.34 145.48 805.00 393.60 13 MG/L 03/93 04/96 <br /> CARBONATE AS C03 -0.77 1.01 0.00 -2.00 13 MG/L 03/93 04/96 <br /> HYDROXIDE AS OH -2.00 0.00 -2.00 -2.00 5 MG/L 12/94 04/96 <br /> SULFATE NOT APPLICABLE 63.50 55.67 220.00 14.00 14 MG/L 12/92 04/96 <br />CATIONS CALCIUM DISSOLVED 93.84 11.61 113.00 77.00 14 MG/L 12/92 04/96 <br /> MAGNESIUM DISSOLVED 32.23 3.61 38.30 26.00 14 MG/L 12/92 04/96 <br /> SAR NOT APPLICABLE 0.29 0.08 0.43 0.21 11 UNDEFINED 12/92 04/96 <br /> SODIUM DISSOLVED 16.96 13.97 63.70 9.00 14 MG/L 12/92 04/96 <br />NUTRIENTS NITROGEN AMMIUM-TOTAL 0.10 0.00 0.10 0.10 1 MG/L 12/93 12/93 <br /> NITRATE 0.45 0.90 2.68 -0.02 12 MG/L 12/92 04/96 <br /> NITRITE 0.00 0.01 0.01 -0.01 2 MG/L 09/95 04/96 <br /> N03+N02 0.55 0.96 2.78 -0.02 14 MG/L 12/92 04/96 <br /> PHOSPHATE ORTHO-DISS 0.00 0.01 0.03 -0.01 14 MG/L 12/92 04/96 <br />PHYSICAL PROPER TIES ALKALINITY TOTAL 400.29 122.69 660.00 256.00 14 MG/L 12/92 04/96 <br /> CONDUCTIVITY FIELD 703.70 104.33 950.00 510.00 27 UMHOS/CM 12/92 11/99 <br /> LAB 701.93 87.78 833.00 568.00 14 UMHOS/CM 12/92 04/96 <br /> HARDNESS AS CAC03 355.42 35.61 423.00 299.00 12 MG/L 12/92 04/96 <br /> PH FIELD 7.57 0.37 8.60 6.69 27 PH 12/92 11/99 <br /> SOLIDS TOTAL-DISS 430.57 99.65 690.00 324.00 14 MG/L 12/92 04/96 <br /> TEMPERATURE FIELD 11.88 8.75 54.00 5.00 27 DEGREES C 12/92 11/99 <br />PRIMARY CADMIUM DISSOLVED -0.13 0.28 0.30 -0.50 14 UG/L 12/92 04/96 <br /> TOTAL RECOV 0.10 0.00 0.10 0.10 1 UG/L 12/93 12/93 <br /> LEAD DISSOLVED -21.43 5.35 -20.00 -40.00 14 UG/L 12/92 04/96 <br /> MERCURY DISSOLVED -0.13 0.19 0.50 -0.20 14 UG/L 12/92 04/96 <br /> TOTAL RECOV -0.20 0.00 -0.20 -0.20 1 UG/L 12/93 12/93 <br /> SELENIUM DISSOLVED 2.86 6.33 18.00 -1.00 14 UG/L 12/92 04/96 <br /> TOTAL RECOV -1.00 0.00 -1.00 -1.00 1 UG/L 12/93 12/93 <br />SECONDARY IRON DISSOLVED 79.29 104.55 350.00 -20.00 14 UG/L 12/92 04/96 <br /> TOTAL RECOV 2320.00 0.00 2320.00 2320.00 1 UG/L 12/93 12/93 <br /> MANGANESE DISSOLVED 192.93 151.24 520.00 13.00 14 UG/L 12/92 04/96 <br /> TOTAL RECOV 480.00 0.00 480.00 480.00 1 UG/L 12/93 12/93 <br /> SILVER TOTAL RECOV -0.50 0.00 -0.50 -0.50 1 UG/L 12/93 12/93 <br /> ZINC TOTAL RECOV 20.00 0.00 20.00 20.00 1 UG/L 12/93 12/93 <br />TRACE METALS MOLYBDENUM DISSOLVED -16.43 14.47 -10 <br />00 -50 <br />00 1 <br /> . . 4 UG/L 12/92 04/96 <br /> TOTAL RECOV -10.00 0.00 -10.00 -10.00 1 UG/L 12/93 12/93 <br />