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NUCLA EAST MINE GROUND WATER QUALITY STATISTICS REPORT <br /> GEOLOGIC UNIT ALLUVIUM <br /> OBSERVATIONS MEAN ST.DEV. MIN MAX <br /> FIELD PARAMETERS <br /> CONDUCTIVITY (UMHOS/CM) 5 2498.00 364.72 2250.00 3140.00 <br /> PH (UNITS) 5 6.86 6.64 7.20 <br /> WATER TEMPERATURE (DEG C) 5 11.06 1.57 9.00 13.00 <br /> DEPTH TO WATER (FT) 5 8.54 0.53 8.08 9.22 <br /> LABORATORY PARAMETERS <br /> ALKALINITY, DISS. (MG/L OF CAC03) 5 335.00 12.04 322.00 354.00 <br /> ALUMINUM, DISS. (MG/L) 5 0.07 0.03 0.05 0. 11 <br /> ARSENIC, DISS. (UG/L) 5 1.00 0.00 1.00 1 .00 <br /> BARIUM, DISS. (UG/L) 2 10.00 0.00 10.00 10.00 <br /> BICARBONATE, DISS. (MG/L) 5 408.80 14.72 393.00 432.00 <br /> BORON, DISS. (UG/L) 5 400.00 60.00 310.00 470.00 <br /> CADMIUM, DISS. (UG/L) 5 5.00 0.00 5.00 5.00 <br /> CALCIUM, DISS. (MG/L) 5 552.60 40.73 505.00 610.00 <br /> CARBONATE, DISS. (MG/L) 5 0.00 0.00 0.00 0.00 <br /> CHLORIDE, DISS. (MG/L) 5 12.60 3.13 10.00 18.00 <br /> CHROMIUM, DISS. (UG/L) 3 10.00 0.00 10.00 10.00 <br /> CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 5 3186.00 145.36 3030.00 3410.00 <br /> COPPER, DISS. (UG/L) 5 10.00 0.00 10.00 10.00 <br /> FLUORIDE, DISS. (MG/L) 5 0.57 0.25 0.36 1.00 <br /> v HARDNESS AS CAC03 (MG/L) 5 2285.80 129.62 2156.00 2484.00 <br /> IRON, DISS. (MG/L) 5 0.02 0.00 0.02 0.02 <br /> i LEAD, DISS. (UG/L) 5 30.00 22.36 20.00 70.00 <br /> MAGNESIUM, DISS. (MG/L) 5 220.60 7.92 214.00 234.00 <br /> MANGANESE, DISS. (MG/L) 5 0.90 0.19 0.73 1. 18 <br /> MERCURY, DISS. (UG/L) 5 0.20 0.00 0.20 0.20 <br /> MOLYBDENUM, DISS. (UG/L) 5 50.00 0.00 50.00 50.00 <br /> NICKEL, DISS. (UG/L) 2 20.00 0.00 20.00 20.00 <br /> NITROGEN, AMMONIA, DISS. (MG/L) 5 0.05 0.05 0.02 0.13 <br /> NITROGEN, NITRATE, DISS. (MG/L) 5 0.02 0,00 0.02 0.02 <br /> NITROGEN, NITRITE, DISS. (MG/L) 1 0.01 0.01 0.01 <br /> PH @ 25 DEG C 5 7.41 7.20 7.70 <br /> PHOSPHATE AS PO4, DISS. (MG/L) 3 0.13 0.06 0.10 0.20 <br /> POTASSIUM, DISS. (MG/L) 5 3.80 0.84 3.00 5.00 <br /> SELENIUM, DISS. (UG/L) 5 1.00 0.00 1.00 1 .00 <br /> SILVER, DISS. (UG/L) 3 10.00 0.00 10.00 10.00 <br /> SODIUM, DISS. (MG/L) 5 105.00 14.44 85.00 123.00 <br /> SAR 4 0.95 0.17 0.75 1 .16 <br /> SULFATE, DISS. (MG/L) 5 2146.80 70.29 2097.00 2264.00 <br /> SULFIDE, TOTAL (MG/L) 1 0.20 0.20 0.20 <br /> SUSPENDED SOLIDS (MG/L) 5 5728.80 5170:45 510.00 11296 <br /> < ZINC, DISS. (MG/L) 5 0.02 0.01 0.01 0.03 <br /> J. CATION/ANION BALANCE (%) 5 -1 .68 1.64 -3.36 0.39 <br /> tA <br /> m DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 5 3290.80 103.50 3192.00 3450.00 <br /> a DISS. DISSOLVED SOLIDS, CALCULATED (MG/L 5 3240.20 110.26 3127.00 3422.00 <br /> ----------------------------------------- <br /> INDICATES NO DATA <br /> Oo <br /> 00 <br />