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NUCLA MINE SURFACE WATER QUALITY REPORT <br />SAMPLE POINT SW-N3(SA0003) <br />LOCATION 47N16W35DAA <br />BASIN TUTTLE DRAW <br />DATE OF COLLECTION 04/10/91 09/12/91 <br />FIELD PARAMETERS <br />CONDUCTIVITY (UMHOS/CM) 2000.00 1680.00 <br />PH (UNITS) 7.90 7.96 <br />WATER TEMPERATURE (DEG C) 10.00 15.50 <br />FLOW (CFS) 0.421 3.182 <br />LABORATORY PARAMETERS <br />ACIDITY, DISS. (MG/L OF CACO3) 0.00 0.00 <br />ALKALINITY, DISS. (MG/L OF CACO3) 396.00 268.00 <br />ALUMINUM, TOTAL RECOVERABLE (MG/L) < 0.05 0.20 <br />ARSENIC, TOTAL RECOVERABLE (UG/L) 3.00 < 1.00 <br />BARIUM, TOTAL RECOVERABLE (UG/L) 50.00 50.00 <br />BICARBONATE, DISS. (MG/L) 483.00 327.00 <br />BORON, DISS. (UG/L) 260.00 180.00 <br />CADMIUM, TOTAL RECOVERABLE (UG/L) < 5.00 < 5.00 <br />CALCIUM, DISS. (MG/L) 403.00 226.00 <br />CARBONATE, DISS. (MG/L) 0.00 0.00 <br />CHLORIDE, DISS. (MG/L) ~ 26.00 22.00 <br />CHROMIUM, TOTAL RECOVERABLE (UG/L) . <br />CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 2795.00 1520.00 <br />COPPER, TOTAL RECOVERABLE (UG/L) < 10.00 < 10.00 <br />FLUORIDE, DISS. (MG/L) 1.10 0.80 <br />HARDNESS AS CACO3 (MG/L) 1926.00 955.00 <br />IRON, TOTAL (MG/L) 0.30 0.31 <br />IRON, DISS. (MG/L) 0.04 < 0.02 <br />LEAD, TOTAL RECOVERABLE (UG/L) < 20.00 20.00 <br />MAGNESIUM, DISS. (MG/L) 224.00 95.00 <br />MANGANESE, TOTAL (MG/L) 0.97 0.29 <br />MANGANESE, DISS. (MG/L) 0.95 0.28 <br />MERCURY, TOTAL RECOVERABLE (UG/L) < 0.10 < 0.10 <br />MOLYBDENUM, TOTAL RECOVERABLE (UG/L) 4.00 < 1.00 <br />NICKEL, TOTAL RECOVERABLE (UG/L) < 20.00 < 20.00 <br />NITROGEN, AMMONIA, DISS. (MG/L) 0.17 < 0.05 <br />NITROGEN, NITRATE, DISS. (MG/L) 0.08 0.12 <br />NITROGEN, NITRITE, DISS. (MG/L) < 0.01 < 0.01 <br />PH @ 25 DEG C 8.10 8.30 <br />PHOSPHATE AS PO4, DISS. (MG/L) < 0.10 < 0.10 <br />POTASSIUM, DISS. (MG/L) 7.00 4.00 <br />SELENIUM, TOTAL RECOVERABLE (UG/L) < 1.00 < 10.00 <br />SILVER, TOTAL RECOVERABLE (UG/L) <br />SODIUM, DISS. (MG/L) 96.00 28.00 <br />SAR 0.96 0.40 <br />SULFATE, DISS. (MG/L) 1667.00 681.00 <br />SULFIDE, TOTAL (MG/L) < 0.10 < 0.01 <br />SUSPENDED SOLIDS (MG/L) 6.00 14.00 <br />ZINC, TOTAL RECOVERABLE (MG/L) 0.05 0.02 <br />CATION/ANION BALANCE (%) - 0.84 0.37 <br />TOTAL DISSOLVED SOLIDS @ 180 DEG (MG/L) 2668.00 1392.00 <br />TOTAL DISSOLVED SOLIDS, CALCULATED (MG/L) 2654.00 1213.00 <br />. INDICATES NO DATA <br />C-3 <br />