1988-04-11_PERMIT FILE - C1981008A (9)

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NUCLA EAST MINE GROUND WATER QUALITY STATISTICS REPORT SAMPLE POINT GW-N15(WBOO15) LOCATION '17N16W36DAC GEOLOGIC UNIT OVERBURDEN OBSERVATIONS MEAN ST.DEV. MIN MAX FIELD PARAMETERS CONDUCTIVITY (UMHOS/CM) 5 4846.00 756.82 4270.00 6100.00 PH (UNITS) 5 6.69 6.35 7. 11 WATER TEMPERATURE (DEG C) 5 11.24 1.51 9.00 13.00 DEP1H TO WATER (F-L) 5 47.52 3.42 44.06 51.17 LABORATORY PARAMETERS ALKALINITY, DISS. (MG/L OF CAC03) 5 325.80 72.45 254.00 406.00 ALUMINUM, DISS. (MG/L) 5 0.05 0.00 0.05 0.05 ARSENIC, DISS. (UG/L) 5 1.00 0.00 1.00 1 .00 BARIUM, DISS. (UG/L) 2 45.00 7.07 40.00 50.00 BICARBONATE, DISS. (MG/L) 5 397.40 88.24 310.00 495.00 BORON, DISS. (UG/L) 5 192.00 82.58 110.00 280.00 CADMIUM, DISS. (UG/L) 5 11.40 12.20 5.00 33.00 CALCIUM, DISS. (MG/L) 5 426.80 23.32 408.00 467.00 CARBONATE, DISS. (MG/L) 5 0.00 0.00 0.00 0.00 CHLORIDE, DISS. (I•IG/L) 5 17.60 15.11 5.00 36.00 CHROMIUM, DISS. (UG/L) 3 10.00 0.00 10.00 10.00 CONDUCTIVITY CC 25 DEG C (UMHOS/CM) 5 6184.20 820.52 5431 .00 7280.00 COPPER, DISS. (UG/L) 5 10.00 0.00 10.00 10.00 FLUORIDE, DISS. (MG/L) 5 0.94 0.32 0.50 1 .30 HARDNESS AS CAC03 (MG/L) 5 6179.80 958.70 5258.00 7625.00 IRON, DISS. (MG/L) 5 0.03 0.01 0.02 0.04 i LEAD, DISS. (UG/L) 5 20.00 0.00 20.00 20.00 MAGNESIUM, DISS. (MG/L) 5 1247.00 221.26 1030.00 1515.00 MANGANESE, DISS. (MG/L) 5 0.44 0.44 0.01 1.06 MERCURY, DISS. (UG/L) 5 0.20 0.00 0.20 0.20 MOLYBDENUM, DISS. (UG/L) 5 50.00 0.00 50.00 50.00 NICKEL, DISS. (UG/L) 2 20.00 0.00 20.00 2.0.00 NITROGEN, AMMONIA, DISS. (MG/L) 5 0.21 0.25 0.02 0.65 NITROGEN, NITRATE, DISS. (MG/L) 5 9.74 3.41 3.97 12.34 NITROGEN, NITRITE, DISS. (MG/L) 1 0.01 0.01 0.01 PH @ 25 DEG C 5 7.50 7.30 7.80 PHOSPHATE AS PO4, DISS. (MG/L) 3 0.10 0.00 0.10 0.10 POTASSIUM, DISS. (MG/L) 5 15.20 2.17 12.00 18.00 SELENIUM, DISS. (I1G/L) 5 12.40 7.50 3.00 22.00 SILVER, DISS. (UG/L) 3 10.00 0.00 10.00 10.00 SODIUM, DISS. (MG/L) 5 75.00 33.89 43.00 113.00 SAR 5 0.42 0.19 0.25 0.69 SULFATE, DISS. (MG/L) 5 5704.60 809.42 4808.00 6872.00 SULFIDE, TOTAL (MG/L) 1 0.20 0.20 0.20 SUSPENDED SOLIDS (MG/L) 5 478.40 724.45 36.00 1766.00 ZINC, DISS. (MG/L) 5 0.12 0.12 0.04 0.34 CATION/ANION BALANCE (%) 5 0.09 1.02 -0.97 1.52 DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 5 7977.60 1395.11 66118.00 10074 CD DISS. DISSOLVED SOLIDS, CALCULATED (MG/L 5 7672.40 1063.11 6645.00 9291.00 ----------------------------------------- V1 CD INDICATES NO DATA 0 r Table 7-17. Ground Water Quality Statistics Report for GW-N15 co 00