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NUCLA MINE GROUND WATER QUALITY REPORT <br />SAMPLE POINT GW-N4R(WA0104) <br />LOCATION 47N16W36BC <br />GEOLOGIC UNIT DAKOTA COAL <br />DATE OF COLLECTION 09/11/91 <br />FIELD PARAMETERS <br />CONDUCTIVITY (UMHOS/CM) 6160.00 <br />PH (UNITS) 6.41 <br />WATER TEMPERATURE (DEG C) 12.00 <br />DEPTH TO WATER (FT) 6.22 <br />LABORATORY PARAMETERS <br />ALKALINITY, DISS. (MG/L OF CAC03) 564.00 <br />ALUMINUM, DISS. (MG/L) < 0.05 <br />ARSENIC, bISS. (UG/L) < 10.00 <br />BARIUM, DISS. (UG/L) < 10.00 <br />BICARBONATE, bISS. (MG/L) 688.00 <br />BORON, DISS. (UG/L) 310.00 <br />CADMIUM, DISS. (UG/L) < 5.00 <br />CALCIUM, bISS. (MG/L) 430.00 <br />CARBONATE, DISS. (MG/L) 0.00 <br />CHLORIDE, DISS. (MG/L) ~ 48.00 <br />CHROMIUM, DISS. (UG/L) . <br />CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 5400.00 <br />COPPER, bISS. (UG/L) < 10.00 <br />FLUORIDE, DISS. (MG/L) 0.70 <br />HARDNESS AS CAC03 (MG/L) 4039.00 <br />IRON, bISS. (MG/L) 1.41 <br />LEAD, DISS. (UG/L) 110.00 <br />. MAGNESIUM, DISS. (MG/L) 723.00 <br />MANGANESE, DISS. (MG/L) 1.61 <br />MERCURY, DISS. (UG/L) < 0.10 <br />MOLYBDENUM, DISS. (UG/L) 2.00 <br />NICKEL, DISS. (UG/L) 20.00 <br />NITROGEN, AMMONIA, bISS. (MG/L) 0.40 <br />NITROGEN, NITRATE, bISS. (MG/L) < 0.02 <br />NITROGEN, NITRITE, DISS. (MG/L) < 0.01 <br />PH @ 25 DEG C 7.80 <br />PHOSPHATE AS P04, DISS. (MG/L) < 0.10 <br />POTASSIUM, bISS. (MG/L) 22.00 <br />SELENIUM, DISS. (UG/L) < 5.00 <br />SILVER, DISS. (UG/L) . <br />SODIUM, DISS. (MG/L) 209.00 <br />SAR 1.45 <br />SULFATE, bISS. (MG/L) 3713.00 <br />SULFIDE, TOTAL (MG/L) 0.06 <br />SUSPENDED SOLIDS (MG/L) 72.00 <br />ZINC, DISS. (MG/L) 0.02 <br />CATION/ANION BALANCE (%) - 0.03 <br />DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 6742.00 <br />DISS. DISSOLVED SOLIDS, CALCULATED (MG/L) 5461.00 <br />. INDICATES NO DATA <br /> <br />E-3 <br />