1992-02-05_REPORT - C1981008 (4)

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NUCLA MINE SURFACE WATER QUALITY REPORT SAMPLE POINT SW-Nl(SA0001) LOCATION 47N15W31CBA BASIN TUTTLE DRAW DATE OF COLLECTION 04/10/91 09/12/91 FIELD PARAMETERS CONDUCTIVITY (UMHOS/CM) 1330. 00 920. 00 PH (UNITS) 8 . 24 8 . 22 WATER TEMPERATURE (DEG C) 8 . 90 13 . 60 FLOW (CFS) 0. 171 1. 130 LABORATORY PARAMETERS ACIDITY, DISS. (MG/L OF CAC03) 0. 00 0. 00 ALKALINITY, DISS. (MG/L OF CAC03) 384 . 00 254 . 00 ALUMINUM, TOTAL RECOVERABLE (MG/L) < 0. 05 1. 02 ARSENIC, TOTAL RECOVERABLE (UG/L) 2 . 00 < 1. 00 BARIUM, TOTAL RECOVERABLE (UG/L) 70. 00 90. 00 BICARBONATE, DISS. (MG/L) 468. 00 310. 00 BORON, DISS. (UG/L) 180. 00 120. 00 CADMIUM, TOTAL RECOVERABLE (UG/L) < 5. 00 < 5. 00 CALCIUM, DISS. (MG/L) 222 . 00 118 . 00 CARBONATE, DISS. (MG/L) 0. 00 0. 00 CHLORIDE, DISS. (MG/L) 31. 00 14 . 00 CHROMIUM, TOTAL RECOVERABLE (UG/L) CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 1900. 00 812 . 00 COPPER, TOTAL RECOVERABLE (UG/L) < 10. 00 < 10. 00 FLUORIDE, DISS. (MG/L) 1. 00 0.70 HARDNESS AS CAC03 (MG/L) 1145. 00 500. 00 IRON, TOTAL (MG/L) 0. 12 0. 53 IRON, DISS. (MG/L) 0. 02 0. 21 LEAD, TOTAL RECOVERABLE (UG/L) < 20. 00 < 20. 00 MAGNESIUM, DISS. (MG/L) 144 . 00 50. 00 MANGANESE, TOTAL (MG/L) 0. 26 0. 17 MANGANESE, DISS. (MG/L) 0. 26 0. 14 MERCURY, TOTAL RECOVERABLE (UG/L) < 0. 10 < 0. 10 MOLYBDENUM, TOTAL RECOVERABLE (UG/L) 4 . 00 < 1. 00 NICKEL, TOTAL RECOVERABLE (UG/L) < 20. 00 < 20. 00 NITROGEN, AMMONIA, DISS. (MG/L) 0. 07 < 0. 05 NITROGEN, NITRATE, DISS. (MG/L) 0. 11 < 0. 02 NITROGEN, NITRITE, DISS. (MG/L) < 0. 01 < 0. 01 PH @ 25 DEG C 8. 30 8. 30 PHOSPHATE AS PO4 , DISS. (MG/L) 0. 10 < 0. 10 POTASSIUM, DISS. (MG/L) 5. 00 3 . 00 SELENIUM, TOTAL RECOVERABLE (UG/L) < 1. 00 < 1. 00 SILVER, TOTAL RECOVERABLE (UG/L) , SODIUM, DISS. (MG/L) 71. 00 23 . 00 SAR 0. 92 0 . 45 SULFATE, DISS. (MG/L) 856. 00 268 . 00 SULFIDE, TOTAL (MG/L) < 0. 10 0. 06 SUSPENDED SOLIDS (MG/L) < 2 . 00 42 . 00 ZINC, TOTAL RECOVERABLE (MG/L) 0. 04 0. 03 CATION/ANION BALANCE (%) - 0. 68 - 0. 05 TOTAL DISSOLVED SOLIDS @ 180 DEG (MG/L) 1610. 00 662 . 00 TOTAL DISSOLVED SOLIDS, CALCULATED (MG/L) 1554 . 00 625. 00 ----------------------------------------- INDICATES NO DATA C-1