1988-04-11_PERMIT FILE - C1981008A (12)

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NUCLA MINE GROUND WATER QUALITY REPORT SAMPLE POINT GW-N3(WA0003) LOCATION 47N16W36BBD GEOLOGIC UNIT UNDERBURDEN DATE OF COLLECTION 10/18/79 04/10/80 12/16/80 07/09/81 12/18/81 06/24/82 12/21/82 FIELD PARAMETERS CONDUCTIVITY (UMHOS/CM) 2000.00 1100.00 2080.00 2250.00 2300.00 2320.00 PH (UNITS) 7.60 6.90 6.20 6.60 6.30 6.50 WATER TEMPERATURE (DEG C) 17.00 18.80 17.00 19.00 17.50 DEPTH TO WATER ( FT) 49.13 49.46 49.45 43.70 48.02 45.31 48.21 LABORATORY PARAMETERS ALKALINITY, DISS. (MG/L OF CAC03) 452.00 530.00 434.00 281.00 293.00 278.00 332.00 ALUMINUM, DISS. (MG/L) < 0.30 < 0.10 0. 10 ARSENIC, DISS. (UG/L) < 2.00 1 .00 < 1.00 < 1.00 BARIUM, DISS. (UG/L) < 200.00 600.00 BICARBONATE, DISS. (MG/L) BORON, DISS. (UG/L) 468.00 625.00 613.00 512.00 650.00 252.00 407.00 CADMIUM, DISS. (UG/L) < 2.00 2.00 0.90 CALCIUM, DISS. (MG/L) 396.00 426.00 439.00 446.00 484.00 468.00 432.00 CARBONATE, DISS. (MG/L) CHLORIDE, DISS. (MG/L) 32.00 52.00 55.00 11.00 37.00 14.00 39.00 CHROMIUM, DISS. (UG/L) 20.00 40.00 80.00 CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 2591 .00 3010.00 2810.00 2280.00 2780.00 2610.00 2770:00 COPPER, DISS. (UG/L) 20.00 < 20.00 < 10.00 20.00 18.00 FLUORIDE, DISS. (MG/L) 0.44 0.52 0.43 0.31 0.26 0.29 0.90 HARDNESS AS CAC03 (MG/L) 1721.00 1841.00 1597.00 1861 .00 1898.00 1841.00 IRON, DISS. (MG/L) 1.33 0.62 1 .33 0.05 1.42 LEAD, DISS. (UG/L) 20.00 < 20.00 < 20.00 < 20.00 < 20.00 MAGNESIUM, DISS. (MG/L) 161.00 201.00 177.00 131.00 158.00 143.00 149.00 MANGANESE, DISS. (MG/L) 0.72 0.44 0.59 0.83 1 . 17 0.78 1.08 MERCURY, DISS. (UG/L) < 20.00 20.00 < 0.02 < 0.02 0.03 < 0.02 w MOLYBDENUM, DISS. (UG/L) < 200.00 < 200.00 < 100.00 3.00 NICKEL, DISS. (UG/L) 20.00 20.00 < 30.00 < 20.00 NITROGEN, AMMONIA, DISS. (MG/L) 0.34 ).37 0.44 0.29 NITROGEN, NITRATE, DISS. (MG/L) 0.01 1.27 2.00 1.25 < 1 .00 < 1 .00 0.09 NITROGEN, NITRITE, DISS. (MG/L) PH @ 25 DEG C 6.90 7.10 6.60 6.40 6.70 6.60 6.50 PHOSPHATE AS PO4, DISS. (MG/L) 0.02 POTASSIUM, DISS. (MG/L) 13.00 19.00 16.00 6.00 6.00 6.00 10.00 SELENIUM, DISS. (UG/L) < 1.00 < 1.00 < 1.00 < 1.00 SILVER, DISS. (UG/L) 8.00 7.00 SODIUM, DISS. (MG/L) 88.00 107.00 86.00 40.00 44.00 40.00 51.00 SAR SULFATE, DISS. (MG/L) 1470.00 1468.00 1484.00 1265.00 1496.00 1475:00 1458:00 SULFIDE, TOTAL (MG/L) SUSPENDED SOLIDS (MG/L) 15.00 89.00 48.00 17.00 239.00 cZINC, DISS. (MG/L) 0.12 0.08 < 0.02 0.05 0.07 0.05 0.04 CATION/ANION BALANCE (%) cn DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 2577:00 2822:00 2694.00 2324:00 2865.00 2510.00 2680:00 a DISS. DISSOLVED SOLIDS, CALCULATED (MG/L) ----------------------------------------- C) INDICATES NO DATA r- W 00