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2 <br /> NUCLA MINE NPDES WATER QUALITY STATISTICS REPORT <br /> SAMPLE POINT NPDES 006 (DA0006) <br /> LOCATION 4TN16W36ACC <br /> SUBAREA TUTTLE DRAW <br /> OBSERVATIONS MEAN ST.DEV. MIN MAX <br /> FIELD PARAMETERS <br /> CONDUCTIVITY (UMHOS/CM) 53 1311.51 429.35 520.00 2400.00 <br /> PH (UNITS) 511 8.02 7.30 8.60 <br /> WATER TEMPERATURE (DEG C) 54 14.22 7.52 0.80 29.50 <br /> FLOW (CFS) 130 0.09 0.21 0.00 1 . 13 <br /> LABORATORY PARAMETERS <br /> ACIDITY, DISS. (MG/L OF CAC03) 132 0.00 0.00 0.00 0.00 <br /> ALKALINITY, DISS. (MG/L OF CAC03) 35 1046.69 4387.88 172.00 26261 <br /> ALUMINIUM, TOTAL (MG/L) 13 0.24 0.25 0.05 0.90 <br /> ARSENIC, TOTAL (UG/L) 13 2.31 2.98 1.00 12.00 <br /> BARIUM, TOTAL (UG/L) 0 <br /> BICARBONATE, DISS. (MG/L) 19 365.32 93.75 242.00 567.00 <br /> BORON, TOTAL (UG/L) 13 196.08 75.43 80.00 300.00 <br /> CADMIUM, 1 O LAL (UG/L) 13 5.55 4.43 0.00 19.00 A'juy{kjj 60% <br /> CALCIUM, TOTAL (MG/L) 14 186.36 104.33 81.00 417.00 <br /> CARBONATE, DISS. (MG/L) 19 0.26 1 . 15 0.00 5.00 <br /> CHLORIDE, DISS. (MG/L) 14 19.78 16.83 3.00 59.00 <br /> CHROMIUM, TOTAL (UG/L) 1 10.00 10.00 10.00 <br /> CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 36 1790.97 814.03 0.00 3220.00 <br /> COPPER, TOTAL (UG/L) 13 16. 15 7.50 2.00 30.00 <br /> FLUORIDE, DISS. (MG/L) 14 0.77 0.27 0.25 1 .06 ,o <br /> HARDNESS AS CAG03 (MG/L) 14 932.79 620.42 343.00 2440.00 L <br /> IRON, TOTAL (MG/L) 42 0. 15 0. 12 0.02 0.47 <br /> IRON, DISS. (MG/L) 28 0.05 0.06 0.02 0.26 <br /> LEAD, TOTAL (UG/L) 13 24.62 9.67 20.00 5boor' <br /> MAGNESIUM, TOTAL (MG/L) 14 113.50 88.49 34.00 340.00 <br /> MANGANESE, TOTAL (MG/L) 36 0. 18 0.21 0.01 0.8J -Zspr��)g9 <br /> MANGANESE, DISS. (MG/L) 26 0. 16 0.21 0.01 0.64 <br /> MERCURY, TOTAL (UG/L) 13 0.46 0.34 0.02 1 .00 <br /> MOLYBDENUM, TOTAL (UG/L) 13 123.38 94.48 4.00 Ot]^ <br /> NICKEL, TOTAL (UG/L) 0 <br /> NITROGEN, AMMONIA, DISS. (MG/L) 14 0.06 0.04 0.02 0_ 11 •02. Aqt, <br /> NITROGEN, NITRATE, DISS. (MG/L) 14 0. 18 0.40 0.01 1 .24 <br /> NITROGEN, NITRITE, DISS. (MG/L) 0 <br /> PH @ 25 DEG C 37 8.06 7.70 8.50 <br /> PHOSPHATE AS PO4, DISS. (MG/L) 13 0. 18 0. 11 0.00 0.30 1 <br /> POTASSIUM, TOTAL (MG/L) 14 6.20 2.30 2.60 01.330-- <br /> SELENIUM, TOTAL ((JG/L) 13 1.63 0.73 0.20 3.00 <br /> SILVER, TOTAL (UG/L) 1 10.00 10,00 10,00 <br /> SODIUM, TOTAL (MG/L) 14 52.21 32.80 17.00 121 .00 <br /> SAR 13 0.74 0.29 0.37 1. 13 <br /> SULFATE, DISS. (MG/L) 14 712.29 556.70 140.00 1210.00 <br /> SULFIDE,TOTAL. (MG/L) 1 0.20 0.20 0.20 <br /> SUSPENDED SOLIDS (MG/L) 43 10.79 9.02 1 .00 34.00 <br /> ZINC, TOTAL (MG/L) 12 0.03 0.03 0.01 0.11 b A 1b <br /> CATION/ANION BALANCE (°fo) 13 1 .24 2.30 -3.24 3.93 <br /> TOTAL DISSOLVED SOLIDS @ 180 DEG (MG/L) 42 1493.38 833.77 445.00 -3090-00 <br /> TOTAL DISSOLVED SOLIDS, CALCULATED (MG/L 13 1304.54 866.62 415.00 3150.00 <br /> ----------------------------------------- <br /> . INDICATES NO DATA <br />