1992-02-05_REPORT - C1981008 (4)

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NUCLA MINE NPDES WATER QUALITY REPORT (CONTINUATION) SAMPLE. POINT NPDES 006 (DA0006) LOCATION 47N16W36ACC BASIN TUTTLE DRAW DATE OF COLLECTION 09/12/91 09/21/91 09/26/91 FIELD PARAMETERS CONDUCTIVITY (UMHOS/CM) 1060.00 850.00 PH (UNITS) 8.37 8.44 WATER TEMPERATURE (DEG C) 22.40 17.00 FLOW (CFS) 0.017 0.279 0.000 LABORATORY PARAMETERS , ACIDITY, DISS. (MG/L OF CAC03) 0.00 ALKALINITY, DISS. (MG/L OF CAC03) 232.00 ALUMINUM, TOTAL RECOVERABLE (MG/L) < 0.05 ARSENIC, TOTAL RECOVERABLE (UG/L) < 1.00 BARIUM, TOTAL RECOVERABLE (UG/L) 50.00 BICARBONATE, DISS. (MG/L) 278.00 BORON, DISS. (UG/L) 120.00 CADMIUM, TOTAL RECOVERABLE (UG/L) < 5.00 CALCIUM, DISS. (MG/L) 133.00 CARBONATE, DISS. (MG/L) 0.00 CHLORIDE, DISS. (MG/L) 27.00 N CHROMIUM, TOTAL RECOVERABLE (UG/L) � CONDUCTIVITY @ 25 DEG C (UMHOS/CM) IC40.00 U COPPER, TOTAL RECOVERABLE (UG/L) < 10.00 FLUORIDE, DISS. (MG/L) 0.62 HARDNESS AS CAC03 (MG/L) 566.00 IRON, TOTAL (MG/L) 0.05 IRON, DISS. (MG/L) 0.05 LEAD, TOTAL RECOVERABLE (UG/L) 40.00 MAGNESIUM, DISS. (MG/L) 57.00 MANGANESE, TOTAL (MG/L) 0.03 MANGANESE, DISS. (MG/L) 0.03 MERCURY, TOTAL RECOVERABLE (UG/L) < 0.10 MOLYBDENUM, TOTAL RECOVERABLE (UG/L) < 1.00 NICKEL, TOTAL RECOVERABLE (UG/L) < 20.00 NITROGEN, AMMONIA, DISS. (MG/L) < 0.05 NITROGEN, NITRATE, DISS. (MG/L) < 0.02 NITROGEN, NITRITE, DISS. (MG/L) < 0.01 PH @ 25 DEG C 8.30 8.44 PHOSPHATE AS PO4, DISS. (MG/L) < 0.10 POTASSIUM, DISS. (MG/L) 6.00 SELENIUM, TOTAL RECOVERABLE (UG/L) < 1.00 SILVER, TOTAL RECOVERABLE (UG/L) SODIUM, DISS. (MG/L) 28.00 SAR 0.52 SULFATE, DISS. (MG/L) 348.00 SULFIDE, TOTAL (MG/L) < 0.01 SUSPENDED SOLIDS (MG/L) < 2.00 ZINC, TOTAL RECOVERABLE (MG/L) < 0.01 CATION/ANION BALANCE (%) 0.04 TOTAL DISSOLVED SOLIDS @ 180 DEG (MG/L) 812.00 TOTAL DISSOLVED SOLIDS, CALCULATED (MG/L) 734.00 ----------------------------------------- . INDICATES NO DATA