Laserfiche WebLink
2 <br /> NUCLA MINE GROUND WATER QUALITY STATISTICS REPORT <br /> GEOLOGIC UNIT DAKOTA COAL <br /> OBSERVATIONS MEAN ST.DEV. MIN MAX <br /> FIELD PARAMETERS <br /> CONDUCTIVITY (UMHOS/CM) 13 4269.23 855.37 1640.00 4880.00 <br /> PH (UNITS) 15 6.68 6.50 7.80 <br /> WATER TEMPERATURE (DEG C) 14 13.69 2.22 10.80 18.80 <br /> DEPTH TO WATER ( FT) 16 6.80 0.56 6.05 7.70 <br /> LABORATORY PARAMETERS <br /> ALKALINITY, DISS. (MG/L OF CAC03) 16 559.44 57.34 412.00 640.00 <br /> ALUMINUM, DISS. (MG/L) 12 0.13 0.09 0.05 0.30 <br /> ARSENIC, DISS. (UG/L) 13 1.38 0.51 1 .00 2.00 <br /> BARIUM, DISS. (UG/L) 3 273.33 296.87 20.00 600.00 <br /> BICARBONATE, DISS. (MG/L) 9 674.00 54.33 534.00 720.00 <br /> BORON, DISS. (UG/L) 16 478.13 206.79 292.00 1111 .00 <br /> CADMIUM, DISS. (UG/L) 12 5.77 4.37 0.20 17.00 <br /> CALCIUM, DISS. (MG/L) 16 475.31 26.58 418.00 517.00 <br /> CARBONATE, DISS. (MG/L) 9 0.00 0.00 0.00 0.00 <br /> CHLORIDE, DISS. (MG/L) 16 55.31 13.74 23.00 811.00 <br /> CHROMIUM, DISS. (UG/L) 4 67.50 56.79 10.00 130.00 <br /> CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 16 5890.94 411 .88 4800.00 6710.00 <br /> COPPER, DISS. (UG/L) 14 21 .14 10.37 10.00 50.00 <br /> FLUORIDE, DISS. (MG/L) 16 1.07 0.40 0.64 2.45 <br /> HARDNESS AS CAG03 (MG/L) 15 4812.93 448.94 3788.00 5680.00 <br /> IRON, DISS. (MG/L) 14 1 .22 0.64 0.07 2. 19 <br /> LEAD, DISS. (UG/L) 14 43.57 53.00 20.00 190.00 <br /> MAGNESIUM, DISS. (MG/L) 16 866.19 110.92 588.00 1100.00 <br /> MANGANESE, DISS. (MG/L) 16 2.98 1 .51 1 .50 7.84 <br /> MERCURY, DISS. (UG/L) 15 2.96 6.92 0.02 20.00 <br /> MOLYBDENUM, DISS. (UG/L) 13 120.31 78.81 14.00 200.00 <br /> NICKEL, DISS. (UG/L) 5 30.00 12.25 20.00 50.00 <br /> NITROGEN, AMMONIA, DISS. (MG/L) 13 0.64 0.26 0. 10 1.32 <br /> NITROGEN, NITRATE, DISS. (MG/L) 16 0.49 0.73 0.01 2.42 <br /> NITROGEN, NITRITE, DISS. (MG/L) 0 <br /> PH @ 25 DEG C 16 6.83 6.60 7.30 <br /> PHOSPHATE AS PO4, DISS. (MG/L) 9 0.12 0.08 0.01 0.30 <br /> -POTASSIUM, DISS. (MG/L) 16 23.43 5.02 6.00 28.00 <br /> SELENIUM, DISS. (UG/L) 13 1.54 0.66 1.00 3.00 <br /> SILVER, DISS. (UG/L) 3 13.33 3.51 10.00 17.00 <br /> SODIUM, DISS. (MG/L) 16 206.94 28.56 108.00 230.00 <br /> SAR 9 1.36 0.08 1.23 1 .47 <br /> SULFATE, DISS. (MG/L) 16 4383.63 319.71 3429.00 4860.00 <br /> SULFIDE, TOTAL (MG/L) 0 <br /> SUSPENDED SOLIDS (MG/L) 14 19.50 17.64 5.00 76.00 <br /> ZINC, DISS. (MG/L) 16 0.06 0.02 0.02 0.10 <br /> CATION/ANION BALANCE (q) 9 1.46 2.01 -2.00 4.30 <br /> DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 16 6722. 13 358.85 5438.00 7100.00 <br /> DISS. DISSOLVED SOLIDS, CALCULATED (MG/L 9 6534.89 216.91 6252.00 6990.00 <br /> ----------------------------------------- <br /> INDICATES NO DATA <br />