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NUCLA MINE GROUND WATER QUALITY STATISTICS REPORT <br /> SAMPLE POINT GW-N1(WA0001 ) <br /> LOCAIION 47N16W25DAD <br /> GEOLOGIC UNIT UNDERBURDEN <br /> OBSERVATIONS MEAN ST.DEV. MIN MAX <br /> FIELD PARAMETERS <br /> CONDUCTIVITY (UMIIOS/CM) 8 2381.25 471.97 1400.00 3000.00 <br /> PH (UNITS) 8 6.60 6.50 7.20 <br /> WAFER TEMPERATURE (DEG C) 7 14.13 1 .42 12.50 16.00 <br /> DEPTH TO WATER (FT) 9 39.22 3.10 34.00 45.26 <br /> LABORATORY PARAMETERS <br /> ALKALINITY, DISS. (MG/L OF CAC03) 9 418.22 53.77 341.00 485.00 <br /> ALUMINUM, DISS. (MG/L) 5 0.12 0.11 0.05 0.30 <br /> ARSENIC, DISS. (UG/L) 6 1.17 0.41 1 .00 2.00 <br /> BARIUM, DISS. (UG/L) 4 160.00 181.29 10.00 400.00 <br /> BICARBONATE, DISS. (MG/L) 2 431.50 21.92 416.00 447.00 <br /> BORON, DISS. (UG/L) 9 542.67 157.18 325.00 846.00 <br /> CADMIUM, DISS. (UG/L) 5 3.112 1.51 2.00 5.00 <br /> CALCIUM, DISS. (MG/L) 9 458.67 43.10 397.00 522.00 <br /> CARBONATE, DISS. (MG/L) 2 0.00 0.00 0.00 0.00 <br /> CHLORIDE, DISS. (MG/L) 9 51.67 9.72 42.00 72.00 <br /> CHROMIUM, DISS. (UG/L) 5 18.00 16.43 0.00 40.00 <br /> CONDUCTIVITY Q 25 DEG C (UMHOS/CM) 9 3079.00 228.09 2660.00 3430.00 <br /> COPPER, DISS. (UG/L) 7 20.71 22.07 10.00 70.00 <br /> FLUORIDE, DISS. (MG/L) 9 1.04 0.51 0.72 2.25 <br /> IIARD14ESS AS CAC03 (MG/L) 8 2022.63 168.66 1767.00 2229.00 <br /> IRON, DISS. (MG/L ) 7 6.10 4.29 0.75 11.80 <br /> LEAD, DISS. (UG/L) 7 20.00 0.00 20.00 20.00 <br /> MAGNESIUM, DISS. (MG/L) 9 198.00 25.21 148.00 229.00 <br /> MANGANESE, DISS. (MG/L) 9 2.41 0.24 2.10 2.71 <br /> MERCURY, DISS. (UG/L) 8 5.06 9.22 0.02 20.00 <br /> MOLYBDENUM, DISS. (UG/L) 6 100.33 83. 19 2.00 200.00 <br /> NICKEL, DISS. (UG/L) 6 26.67 8. 16 20.00 110.00 <br /> NITROGEN, AMMONIA, DISS. (MG/L) 6 1 .43 0.89 0.42 2.74 <br /> NITROGEN, NITRATE, DISS. (MG/L) 9 0.62 0.56 0.02 1.29 <br /> NITROGEN, NITRITE, DISS. (MG/L) 1 0.01 0.01 0.01 <br /> PH @ 25 DEG C 9 6.75 6.50 7.00 <br /> PHOSPHATE AS PO4, DISS. (MG/L) 1 0.01 0.01 0.01 <br /> POTASSIUM, DISS. (MG/L) 9 12.67 1.32 10.00 15.00 <br /> SELENIUM, DISS. (UG/i_) 6 1.00 0.00 1.00 1 .00 <br /> SILVLR, DISS. (UG/L) 4 10.50 1.00 10.00 12.00 <br /> ;ODIUM, DISS. (MG/L) 9 109.89 6.70 103.00 124.00 <br /> SAR 2 1.08 0.00 1.08 1 .08 <br /> SULFATE, DISS. (MG/L) 9 1716.89 133.19 1518.00 1900.00 <br /> SULFIDE, IOTAL (116/L) 1 0.20 0.20 0.20 <br /> SUSPENDED SOLIDS (MG/L) 7 38.29 36.10 11.00 108.00 <br /> ZINC, DISS. (MG/L) 9 0. 13 0.07 0.04 0.23 <br /> CATION/ANION BALANCE (%) 2 -1 .93 0.08 -1.99 -1 .88 <br /> DISS. DISSOLVED SOLIDS 180 DEG (MG/L) 9 3041.11 255.03 2694.00 3446.00 <br /> DISS. DISSOLVED SOLIDS, CALCULATED (MG/L 2 2588.50 64.35 2543.00 2634.00 <br /> CD <br /> < ----------------------------------------- <br /> INDICATES NO DAIA <br /> m <br /> a <br /> o Table 7-12. Ground Water Quality Statistics Report for GW-N1 <br /> 0 00 <br />