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NUCLA MINE GROUND WATER QUALITY REPORT <br />SAMPLE POINT GW-N9(WA0009) <br />LOCATION 47N16W25CAD <br />• GEOLOGIC UNIT OVERBURDEN AND DAKOTA COAL <br />DATE OF COLLECTION 09/11/91 <br />FIELD PARAMETERS <br />CONDUCTIVITY (UMHOS/CM) 3120.00 <br />PH (UNITS) 6.52 <br />WATER TEMPERATURE (DEG C) 12.80 <br />DEPTH TO WATER (FT) 32.16 <br />LABORATORY PARAMETERS <br />ALKALINITY, DISS. (MG/L OF CACO3) 290.00 <br />ALUMINUM, DISS. (MG/L) < 0.05 <br />ARSENIC, DISS. (UG/L) < 1.00 <br />BARIUM, DISS. (UG/L) < 10.00 <br />BICARBONATE, DISS. (MG/L ) 354.00 <br />BORON, DISS. (UG/L) 200.00 <br />CADMIUM, DISS. (UG/L) < 5.00 <br />CALCIUM, DISS. (MG/L) 505.00 <br />CARBONATE, DISS. (MG/L) 0.00 <br />CHLORIDE, DISS. (MG/L) ~ 15.00 <br />CHROMIUM, DISS. (UG/L) <br />CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 2690.00 <br />COPPER, DISS. (UG/L) < 10.00 <br />FLUORIDE, DISS. (MG/L) 0.80 <br />HARDNESS AS CACO3 (MG/L) 2033.00 <br />IRON, DISS. (MG/L) 0.38 <br />LEAD, DISS. (UG/L) < 20.00 <br />MAGNESIUM, DISS. (MG/L) 188.00 <br />• <br />MANGANESE, DISS. (MG/L) 1.55 <br />MERCURY, DISS. (UG/L) < 0.10 <br />MOLYBDENUM, DISS. (UG/L) < 1.00 <br />NICKEL, DISS. (UG/L) 20.00 <br />NITROGEN, AMMONIA, DISS. (MG/L) 0.23 <br />NITROGEN, NITRATE, DISS. (MG/L) < 0.02 <br />NITROGEN, NITRITE, DISS. (MG/L) < 0.01 <br />PH @ 25 DEG C 7.90 <br />PHOSPHATE AS P04, DISS. (MG/L) < 0.10 <br />POTASSIUM, DISS. (MG/L) 5.00 <br />SELENIUM, DISS. (UG/L) < 2.00 <br />SILVER, DISS. (UG/L) . <br />SODIUM, DISS. (MG/L) 14.00 <br />SAR 0.14 <br />SULFATE, DISS. (MG/L) 1688.00 <br />SULFIDE, TOTAL (MG/L) 0.51 <br />SUSPENDED SOLIDS (MG/L) 166.00 <br />ZINC, DISS. (MG/L) < 0.01 <br />CATION/ANION BALANCE (o) - 0.31 <br />DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 3058.00 <br />DISS. DISSOLVED SOLIDS, <br />------------------------ CALCULATED (MG/L) <br />------ 2584.00 <br /> <br />. INDICATES NO DATA ----------- <br />r1 <br />LJ <br />E-1 <br />