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3 <br /> NUCLA MINE SURFACE WATER QUALITY STATISTICS REPORT <br /> SAMPLE POINT SV!-N3(SA0003) <br /> LOCATION '17N16W35DAA <br /> SUBAREA TUT1LE DRAW <br /> OBSERVATIONS MEAN ST.DEV. MIN MAX <br /> FIELD PARAMETERS <br /> CONDUCTIVITY (UMIIOS/CM) 82 1592.87 337.27 990.00 2800.00 <br /> PH (UNITS) 82 7.54 6.70 8.110 <br /> WATER TEMPERATURE (DEG C) 88 9.83 7.30 0.20 29.00 <br /> FLOW (CFS) 92 2.013 1.840 0.019 9.352 <br /> LABORATORY PARAMETERS <br /> ACIDITY, DISS. (MG/L OF CAC03) 93 0.00 0.00 0.00 0.00 <br /> ALI<ALINITY, DISS. (MG/L OF CAC03) 83 327.06 59.67 194.00 431 .00 <br /> ALUMINUM, TOTAL RECOVERABLE (MG/L) 2 0.21 0.011 0. 18 0.24 <br /> ARSENIC, TOTAL RECOVERABLE (UG/L) 2 1 .00 0.00 1.00 1 .00 <br /> BARIUM, TOTAL RECOVERABLE (UG/L) 2 60.00 42.43 30.00 90.00 <br /> BICARBONATE, DISS. (MG/L) 21 410.30 65.48 275.00 526.00 <br /> BORON, DISS. (UG/L_) 5 433.20 145.68 180.00 546.00 <br /> CADMIUM, 101-AL RECOVERABLE (UG/L) 2 5.00 0.00 5.00 5.00 <br /> CALCIUM, DISS. (MG/L) 6 344.83 65.82 231.00 428.00 <br /> CARBONATE, DISS. (MG/L) 27 0.00 0.00 0.00 0.00 <br /> CHLORIDE, DISS. (MG/L) 36 21 .05 9.48 8.00 44.00 <br /> CHROMIUM, TOTAL RECOVERABLE-_ (UG/L) 2 10.00 0.00 10.00 10.00 <br /> CONDUCTIVITY @ 25 DEG C (UMIIOS/CM) 82 2326.83 642.64 50.00 3350.00 <br /> COPPER, TOTAL RECOVERABLE (UG/L) 2 10.00 0.00 10.00 10.00 <br /> ILUORIDE, DISS. (MG/I_) 34 0.92 0. 17 0.60 1 .40 <br /> HARDNESS AS CAC03 (MG/L) 34 1591 .15 458.17 800.00 2300.00 <br /> N IRON, TOTAL (MG/I_) 84 0.61 0.47 0. 12 3.53 <br /> IRON, DISS. (MG/L) 70 0.05 0.07 0.02 0.38 <br /> LEAD, TOTAL RECOVERABLE (UG/L) 2 20.00 0.00 20.00 20.00 <br /> MAGNESIUM, DISS. (MG/L) 6 213.33 46.56 141 .00 263.00 <br /> MANGANESE, TOTAL (MG/L) 68 0.66 0.33 0. 12 1 .31 <br /> MANGANESE, DISS. (MG/L) 55 0.62 0.32 0.02 1 .28 <br /> MERCURY, TOTAL RECOVERABLE (UG/L) 2 0.20 0.00 0.20 0.20 <br /> MOLYBDENUM, TOTAL RECOVERABLE_ (UG/L) 2 50.00 0.00 50.00 50.00 <br /> NICKEL, TOTAL_ RECOVERABLE (UG/L) 2 20.00 0.00 20.00 20.00 <br /> NITROGEN, AMMONIA, DISS. (MG/L) 32 0.09 0.05 0.02 0. 19 <br /> NITROGEN, NITRATE, DISS. (MG/L) 34 0.64 0.58 0.02 1 .98 <br /> NITROGEN, NITRITE, DISS. (MG/L) 1 0.01 0.01 0.01 <br /> PH @ 25 DEG C 84 7.83 7.110 8.20 <br /> PHOSPHATE AS PO4, DISS. (MG/L) 2 0.05 0.07 0.00 0. 10 <br /> POTASSIUM, DISS. (MG/L) 6 5.50 1.38 3.00 7.00 <br /> SELENIUM, TOTAL RECOVERABLE (UG/L_) 2 1 .50 0.71 1 .00 2.00 <br /> SILVER, TOTAL RECOVERABLE (UG/L) 2 15.00 7.07 10.00 20.00 <br /> SODIUM, DISS. (MG/l ) 6 69.83 14.11 118.00 88.00 <br /> SAR 17 0.60 0. 15 0.35 0.4'5 <br /> SULFATE, DISS. (MG/I_) 38 13?1 .61 406.69 604.00 1940.00 <br /> SULFIDE,TOTAI_ (MG/L_) 2 0.20 0.00 0.20 0.20 <br /> rn SUSPENDED SOLIDS (MG/L) 84 26.77 45.37 1.00 390.00 <br /> ZINC. TOTAL RECOVE RA13LE (MG/I_) 2 0.01 0.00 0.01 0.01 <br /> CATION/ANION BALANCE (°Jo) 17 0.42 3. 10 -4.35 7.20 <br /> CD TOTAL DISSOLVED SOLIDS @ 180 DEG (MG/L) 84 2143.80 667.33 1040.00 3284.00 <br /> o TOIAL DISSOLVED SOLIDS, CALCULATED (MG/L 11 2123. 18 609.02 1167.00 2960.00 <br /> ----------------------------------------- <br /> INDICATES NO DATA <br /> co Table 7-44 <br /> Surface Water Quality Statistics Report for Site SW-N3 <br />