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

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NUCLA MINE GROUND WATER QUALITY STATISTICS REPORT SAMPLE POINT GW-N3(WA0003) LOCATION 47N16W36BBD GEOLOGIC UNIT UNDERBURDEN OBSERVATIONS MEAN ST.DEV. MIN MAX FIELD PARAMETERS CONDUCTIVITY (UMHOS/CM) 15 2353.33 465.34 1100.00 2810.00 PH (UNITS) 16 6.44 6.10 7.60 WAIER TEMPERATURE (DEG C) 15 18.28 1.01 17.00 20.00 DEPTH TO WATER (FT) 17 47.30 1.69 43.70 49.46 LABORATORY PARAMETERS ALKALINITY, DISS. (MG/L OF CAG03) 17 368.41 76.35 245.00 530.00 ALUMINUM, DISS. (MG/L) 13 0.13 0.10 0.05 0.30 ARSENIC, DISS. (UG/L) 14 1.36 0.50 1.00 2.00 BARIUM, DISS. (UG/L) 4 215.00 269.01 20.00 600.00 BICARBONATE, DISS. (MG/L) 10 446. 10 73.79 299.00 534.00 BORON, DISS. (UG/L) 17 1117.41 123.80 250.00 650.00 CADMIUM, DISS. (UG/L) 13 5.53 4.66 0.90 20.00 CALCIUM, DISS. (MG/L) 17 498.24 76.85 378.00 638.00 CARBONATE, DISS. (MG/L) 10 0.00 0.00 0.00 0.00 CHLORIDE, DISS. (MG/L) 17 30.41 11.89 11.00 55.00 CHROMIUM, DISS. (UG/L) 5 32.00 29.50 10.00 80.00 CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 17 2864.76 371 .84 2200.00 3500.00 COPPER, DISS. (UG/L) 15 16.53 4.81 10.00 20.00 FLUORIDE, DISS. (MG/L) 17 0.50 0.23 0.26 1 .10 HARDNESS AS CAC03 (MG/L) 16 1993.38 277.87 1520.00 2312.00 v IRON, DISS. (MG/L) 15 1.65 0.89 0.05 3.55 LEAD, DISS. (UG/L) 15 32.00 28.08 20.00 100.00 N MAGNESIUM, DISS. (MG/L) 17 175.88 30.89 131.00 226.00 MANGANESE, DISS. (MG/L) 17 1.19 0.43 0.44 1 .85 MERCURY, DISS. (UG/L) 16 2.79 6.72 0.02 20.00 MOLYBDENUM, DISS. (UG/L) 14 114.50 79.16 3.00 200.00 NICKEL, DISS. (UG/L) 6 21.67 4.08 20.00 30.00 NITROGEN, AMMONIA, DISS. (MG/L) 14 0.46 0.21 0.15 0.96 NITROGEN, NITRATE, DISS. (MG/L) 17 0.41 0.63 0.01 2.00 NITROGEN, NITRITE, DISS. (MG/L) 1 0.01 0.01 0.01 PH @ 25 DEG C 17 6.70 6.40 7.50 PHOSPHATE AS PO4, DISS. (MG/L) 9 0.12 0.08 0.02 0.30 POTASSIUM, DISS. (MG/L) 17 10.04 3.83 5.60 19.00 SELENIUM, DISS. (UG/L) 14 1.43 0.51 1.00 2.00 SILVER, DISS. (UG/L) 4 8.75 1.50 7.00 10.00 SODIUM, DISS. (MG/L) 17 66.47 23.44 35.00 110.00 SAR 10 0.64 0.17 0.40 1.01 SULFATE, DISS. (MG/L) 17 1646.65 263.30 1250.00 1990.00 SULFIDE, TOTAL (MG/L) 1 0.20 0.20 0.20 SUSPENDED SOLIDS (MG/L) 15 766.93 2550:17 15.00 9980.00 CD < ZINC, DISS. (MG/L) 17 0.05 0.02 0.02 0.12 CATION/ANION BALANCE (%) 10 1.64 1.79 -0.36 4.63 a DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 17 2824.71 365.75 2050.00 3250.00 o DISS. DISSOLVED SOLIDS, CALCULATED (MG/L 10 2838.80 401 .35 2000.00 3110.00 ----------------------------------------- INDICATES NO DATA co 00 Table 7-13. Ground Water Quality Statistics Report for GW-N3