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GROUND WATER QUALITY PARAMETERS ' SITE GW-N36 FORMATION UNDERBURDEN DATE OF COLLECTION 08/08/95 05/22/95 02/10/95 08/22/94 ' FIELD PARAMETERS Conductivity {UMHOS/CM) 741 528 1910 810 pH 6.3 5.7 6.96 5.7 Water Temperature (DEG C) 16.0 ' LABORATORY PARAMETERS ACIDITY, DISS. (mgA OF CACO3) 0 ' ALKALINITY, DISS. (mg/I OF CACO3) 50 46 550 95 ALUMINUM, DISS. (mg/I) 0.56 0.5 0.36 ARSENIC, DISS. (mg/I) 0.001 -0.001 BARIUM, DISS. (mg/I) 0.009 0.006 0.018 -0.01 ' BERYLLIUM, DISS. (mgA) -0.005 BICARBONATE, DISS. (mgA) 50 46 550 114 BORON, DISS. (mg/I) CADMIUM, DISS. (mg/I) 0.12 0.11 0.34 0.004 0.17 -0.005 CALCIUM, DISS. (mg/I) 79.9 57.8 240 120 CARBONATE, DISS. (mgA) 50 0 CATION/ANION BALANCE (%) -2.7 1.5 -1.6 CHLORIDE, DISS. (mg/I) 15 11 31 13 COBALT, DISS. (mgA) 0.03 0.03 0.05 CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 741 528 1910 981 ' COPPER, DISS. (mg/I) 0.02 -0.01 FLUORIDE, DISS. (mgA) 0.3 0.3 0.6 0.4 HARDNESS AS CACO3 (mg/I) 311 230 941 444 t IRON, DISS. (mgll) 0.04 0.07 0.1 0.24 IRON, TOTAL (mg/I) 0.12 0.73 1.08 0.24 LEAD, DISS. (mg/I) -20 ' LITHIUM, DISS. (mg/I) 0.07 0.07 0.59 0.1 MAGNESIUM, DISS. (mgll) 27 20.8 83 35 MANGANESE, DISS. (mg/I) 0.282 0.197 0.46 0.55 MANGANESE, TOTAL (mg/I) 0.317 0.195 0.472 0.54 ' MERCURY, DISS. (mgA) -0.2 MOLYBDENUM, DISS. (mg/I) 1 NICKEL, TOTAL (mg/I) 0.02 0.01 0.03 ' NITROGEN, AMMONIA, DISS. (mgA) 0.07 7 0.69 0.17 NITROGEN, NITRATE, DISS. (mg/I) 0.55 0.51 0.04 NITROGEN, NITRITE, DISS. (mgA) 0.55 0.51 -0.01 ' PH @ 25 DEG C 6.3 5.7 6.7 6.4 PHOSPHATE AS PO4, DISS. (mg/I) -0.1 POTASSIUM, DISS. (mg/I) 4.3 3.1 25 8 ' SELENIUM, DISS. (mg/I) 0.001 -0.001 SODIUM, DISS. (mg/I) 26.4 20.4 91 37 SODIUM ADSORPTION RATIO 0.65 0.59 1.31 0.77 SULFATE, DISS. (mg/I) 310 200 590 383 ' SULFIDE, TOTAL (mg/I) -0.02 TOTAL DISSOLVED SOLIDS ~ 180 DEG (mg/I) 1.21 1.23 722 TOTAL DISSOLVED SOLIDS, CALCULATED (mgA) 494 342 1390 808.64 ' TOTAL SUSPENDED SOLIDS (mg/I) -2 VANADIUM, DISS. (mg/I) -0.01 I ZINC, DISS. (mg/I) 0.15 0.09 0.12 0.021