1992-02-05_REPORT - C1981008 (4)

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NUCLA MINE NPDES WATER QUALITY REPORT (CONTINUATION) SAMPLE POINT NPDES 001 (DA0001) LOCATION 47N16W36BCC BASIN TUTTLE DRAW DATE OF COLLECTION 09/12/91 09/21/91 09/26/91 FIELD PARAMETERS CONDUCTIVITY (UMHOS/CM) 1850.00 1050.00 1350.00 PH (UNITS) 8.10 8.02 7.85 WATER TEMPERATURE (DEG C) 17.20 15.00 17.00 FLOW (CFS) 1.061 1.180 1.140 LABORATORY PARAMETERS ACIDITY, DISS. (MG/L OF CACO3) 0.00 ALKALINITY, DISS. (MG/L OF CACO3) 306.00 ALUMINUM, TOTAL RECOVERABLE (MG/L) 0.10 ARSENIC, TOTAL RECOVERABLE (UG/L) < 1.00 BARIUM, TOTAL RECOVERABLE (UG/L) 40.00 BICARBONATE, DISS. (MG/L) 373.00 BORON, DISS. (UG/L) 190.00 CADMIUM, TOTAL RECOVERABLE (UG/L) < 5.00 CALCIUM, DISS. (MG/L) 252.00 CARBONATE, DISS. (MG/L) 0.00 CHLORIDE, DISS. (MG/L) 15.00 CHROMIUM, TOTAL RECOVERABLE (UG/L) CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 1675.00 COPPER, TOTAL RECOVERABLE (UG/L) < 10.00 U FLUORIDE, DISS. (MG/L) 0.90 HARDNESS AS CAC03 (MG/L) 1032.00 IRON, TOTAL (MG/L) 0.31 IRON, DISS. (MG/L) 0.27 LEAD, TOTAL RECOVERABLE (UG/L) 20.00 MAGNESIUM, DISS. (MG/L) 98.00 MANGANESE, TOTAL (MG/L) 0.19 MANGANESE, DISS. (MG/L) 0.16 MERCURY, TOTAL RECOVERABLE (UG/L) < 0.10 MOLYBDENUM, TOTAL RECOVERABLE (UG/L) 2.00 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 8.02 7.85 PHOSPHATE AS PO4, DISS. (MG/L) < 0.10 POTASSIUM, DISS. (MG/L) 5.00 SELENIUM, TOTAL RECOVERABLE (UG/L) < 5.00 SILVER, TOTAL RECOVERABLE (UG/L) SODIUM, DISS. (MG/L) 32.00 SAR 0.44 SULFATE, DISS. (MG/L) 778.00 SULFIDE, TOTAL (MG/L) < 0.01 SUSPENDED SOLIDS (MG/L) 16 00 ZINC, TOTAL RECOVERABLE (MG/L) 0.03 CATION/ANION BALANCE (%) - 1.58 TOTAL DISSOLVED SOLIDS @ 180 DEG (MG/L) 1548.00 TOTAL DISSOLVED SOLIDS, CALCULATED (MG/L) 1359.00 ----------------------------------------- . INDICATES NO DATA