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' GROUND WATER QUALITY PARAMETERS <br />SITE GW-N37 <br />FORMATION DAKOTA COAL <br />DATE OF COLLECTION 08/22/94 <br />' FIELD PARAMETERS <br />Conductivity (UMHOS/CM) 400 <br />' pH 4.2 <br />Water Temperature (DEG C) 17.0 <br />LABORATORY PARAMETERS <br />ACIDITY, DISS. (mg/I OF CAC03) 15 <br />ALKALINITY, DISS. (mg/I OF CAC03) 5 <br />ALUMINUM, DISS. (mg/I) 0.88 <br />ARSENIC, DISS. (pgll) -1 <br /> BARIUM, DISS. (Ng/I) -10 <br />' BICARBONATE, DISS. (mg/I) 6 <br /> BORON, DISS. (ug/I) 90 <br />' CADMIUM, DISS. (vg/I) <br />CALCIUM, DISS. (mg/1) -5 <br />45 <br /> CARBONATE, DISS. (mg/I) 0 <br /> CHLORIDE, DISS. (mg/I) 6 <br />' CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 480 <br /> COPPER, DISS. (ug/I) -10 <br /> FLUORIDE, DISS. (mg/I) 0.1 <br /> HARDNESS AS CAC03 (mgA) 186 <br />' IRON, DISS. (mg/I) 0.04 <br /> IRON, TOTAL (mg/I) 0.05 <br /> LEAD, DISS. (Ng/l) -20 <br /> MAGNESIUM, DISS. (mg/I) 18 <br /> MANGANESE, DISS. (mg/I) 0.03 <br /> MANGANESE, TOTAL (mg/I) 0.03 <br /> MERCURY, DISS. (Ng/I) -0.2 <br /> MOLYBDENUM, DISS. (NgA) -1 <br /> NICKEL, DISS. (Ng/I) -20 <br />1 NITROGEN, AMMONIA, DISS. (mgA) -0.05 <br /> NITROGEN, NITRATE, DISS. (mgA) 0.09 <br /> NITROGEN, NITRITE, DISS. (mgA) -0.01 <br /> PH@25DEGC 4.6 <br /> PHOSPHATE AS P04, DISS. (mg/I) -0.1 <br /> POTASSIUM, DISS. (mgll) 1 <br /> SELENIUM, DISS. (ug/I) -1 <br />1 SODIUM, DISS. (mg/I) 22 <br /> SODIUM ADSORPTION RATIO 0.71 <br /> SULFATE, DISS. (mg/I) 191 <br />_ <br />I SULFIDE, TOTAL (mg11) -0.02 <br /> TOTAL SUSPENDED SOLIDS (mg/I) -2 <br /> ZINC, DISS. (Ng/I) 40 <br /> CATION/ANION BALANCE (%) 4.89 <br /> TOTAL DISSOLVED SOLIDS @ 180 DEG (mg/I) 276 <br /> TOTAL DISSOLVED SOLIDS, CALCULATED (mgA) 267.72 <br /> LITHIUM, DISS. (mg/I) -0.1 <br /> COBALT, DISS. (mg/I) -0.02 <br /> BERYLLIUM, DISS. (mg/I) -0.005 <br /> VANADIUM, DISS. (mg/I) -0.01 <br />