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NUCLA MINE NPDES WATER QUALITY REPORT (CONTINUATION) <br /> SAMPLE POINT NPDES 001 (DA0001) <br /> LOCATION 47N16W36BCC <br /> BASIN TUTTLE DRAW <br /> DATE OF COLLECTION 02/28/91 03/08/91 03/13/91 03/21/91 03/27/91 04/03/91 04/10/91 <br /> FIELD PARAMETERS <br /> CONDUCTIVITY (UMHOS/CM) 1925.00 2100.00 1925.00 1900.00 1925.00 2200.00 2360.00 <br /> PH (UNITS) 7.85 8.01 8.07 8.01 8.05 7.98 8.12 <br /> WATER TEMPERATURE (DEG C) 6.80 9.30 7.30 6.00 7.50 13.00 11.90 <br /> FLOW (CFS) 0.068 0.058 0.058 0.088 0.115 0.115 0.052 <br /> LABORATORY PARAMETERS <br /> ACIDITY, DISS. (MG/L OF CAC03) 0.00 <br /> ALKALINITY, DISS. (MG/L OF CAC03) 328.00 <br /> ALUMINUM, TOTAL RECOVERABLE (MG/L) 0.13 <br /> ARSENIC, TOTAL RECOVERABLE (UG/L) 4.00 <br /> BARIUM, TOTAL RECOVERABLE (UG/L) 20.00 <br /> BICARBONATE, DISS. (MG/L) 400.00 <br /> BORON, DISS. (UG/L) 280.00 <br /> CADMIUM, TOTAL RECOVERABLE (UG/L) < 5.00 <br /> CALCIUM, DISS. (MG/L) 549.00 <br /> CARBONATE, DISS. (MG/L) 0.00 O <br /> CHLORIDE, DISS. (MG/L) 17.00 <br /> CHROMIUM, TOTAL RECOVERABLE (UG/L) <br /> CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 3220.00 U <br /> COPPER, TOTAL RECOVERABLE (UG/L) < 10.00 <br /> FLUORIDE, DISS. (MG/L) 0.90 <br /> HARDNESS AS CAC03 (MG/L) 2324.00 <br /> IRON, TOTAL (MG/L) 0.17 0.34 0.40 <br /> IRON, DISS. (MG/L) < 0.02 <br /> LEAD, TOTAL RECOVERABLE (UG/L) < 20.00 <br /> MAGNESIUM, DISS. (MG/L) 232.00 <br /> MANGANESE, TOTAL (MG/L) 0.70 <br /> MANGANESE, DISS. (MG/L) 0.63 <br /> MERCURY, TOTAL RECOVERABLE (UG/L) < 0.10 <br /> MOLYBDENUM, TOTAL RECOVERABLE (UG/L) 2.00 <br /> NICKEL, TOTAL RECOVERABLE (UG/L) < 20.00 <br /> NITROGEN, AMMONIA, DISS. (MG/L) 0.23 <br /> NITROGEN, NITRATE, DISS. (MG/L) < 0.02 <br /> NITROGEN, NITRITE, DISS. (MG/L) < 0.01 <br /> PH @ 25 DEG C 7.85 8.01 8.07 8.01 8.05 7.98 8.20 <br /> PHOSPHATE AS PO4, DISS. (MG/L) 0.10 <br /> POTASSIUM, DISS. (MG/L) 10.00 <br /> SELENIUM, TOTAL RECOVERABLE (UG/L) < 1.00 <br /> SILVER, TOTAL RECOVERABLE (UG/L) <br /> SODIUM, DISS. (MG/L) 81.00 <br /> SAR 0.74 <br /> SULFATE, DISS. (MG/L) 2103.00 <br /> SULFIDE, TOTAL (MG/L) < 0.10 <br /> SUSPENDED SOLIDS (MG/L) 14.00 20.00 24.00 <br /> ZINC, TOTAL RECOVERABLE (MG/L) 0.04 <br /> CATION/ANION BALANCE (%) - 0.89 <br /> TOTAL DISSOLVED SOLIDS @ 180 DEG (MG/L) 3108.00 3082.00 3272.00 <br /> TOTAL DISSOLVED SOLIDS, CALCULATED (MG/L) 3179.00 <br /> ----------------------------------------- <br /> . INDICATES NO DATA <br />