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<br /> ~3F~OUND WATER (]UALITY PARAMETERS <br /> SITE GW-N17P1 <br /> FORMATION DAKOTA COAL <br />' DATE OF COLLECTION 08/23/94 US/23/94 02/25/94 11/22/93 <br /> FIELD F'ARAMETEfiS <br />' Conductivity (UMHOS/CM) 3350 2180 2040 252i~ <br /> pH 7.5 7.4 7.8 8.6 <br /> Wrter Temperature (DEG C) 20.0 19.0 9.0 10.5 <br /> LA60RATORY PARAMETERS <br /> ACIDITY, DISS. (mg/1 OF CAC03) 0 0 O 0 <br /> AL4:ALINIT`1, DISS. (mg/1 OF CAC03) 565 292 568 130 <br />' ALUMINUM. DISS. (mg/1> -0.05 -O.OS -6.f.~5 -0.U5 <br /> ARSENIC. DISS. fµg/1) -1 -v -I -1 <br /> EARIUM, DISS. fµg/1) 3U 20 <br /> PICARBONATE, DISS. (mg/1) 616 292 568 118 <br /> BOfiON, DISS. (µg/1) ~ 380 0.32 0.36 U.3 <br />' CADMIUM, DISS. (µg/lY -5 -5 -5 -5 <br /> CALCIUM, DISS. (mg/1) 117 106 163 30 <br /> CARBONATE, DISS. (mg/1) 0 0 0 12 <br /> CHLORIDE, DISS. (mg/1) 30 25 3U 30 <br />' CONDUCTIVITY u0 25 DEG C (UMHOS/CM) 3910 4010 3860 3880 <br /> COPPER, DISS. (µg/1>~~ -10 -10 -10 -10 <br /> FLUORIDE, DISS. (mg/1) O.5 U.6 0.5 0.9 <br />' HARDNESS AS CAC03 fmg/]) 604 519 801 ]49 <br /> IRON, DISS. (mg/1) 0.21 O.i~2 -0.02 0.09 <br /> IRON, TOTAL (mg/1) 0.83 0.41 0.2 0.18 <br /> LEAD, DISS. (µg/1) -20 -20 -20 -2U <br />' MAGIJE5IUM, DISS. (mg/1) 76 62 96 18 <br /> MANGANESE, DISS. (mg/1) O.q7 0.04 U.1 -n.01 <br /> MANGANESE, TOTAL (mg/1) 0.66 U.Ub 0.09 -0.01 <br /> MERCURY, DISS .~ (µg/1). -O .2 -0.2 -0.2 -4.2 <br />' MOLYPDENUM. DISS. (µg/1) 2 5 1 2 <br /> NICF:EL. DI55: <µg/1) -20 -20 -20 -2C+ <br /> NITROGEN, AMMONIA, DISS. (mg/1) 2.68 57 1.97 1.43 <br /> NITROGEN, NITRATE. DISS. (mg/1) 0.07 -0.02 0.04 -0.02 <br />' NITROGEN, NITRITE, DISS. (mg/1) -0.01 -U.02 -0.01 -U.OS <br /> F'H u0 25 DEG C' 7.8 8.2 7.6 8.4 <br /> PHOSPHATE AS P04, DISS. (mg/1> -0.1 -0.1 -O.I -0.1 <br />' F•OTASSIUM, DI55. (mg/1) <br />SELENIUM, DISS. (µg/1) 13 <br />-1 12 <br />5 IS <br />-I 9 <br />3 <br /> SODIUM,' DISS. (mg/1) 745 721 708 9U2 <br /> SODIUM ADSORPTION RATIO 13.34 <br />' SULFATE. DI55. (mg/1) <br />SULFIDE, TOTAL (mg/1) 3658 <br />-0.02 1735 <br />0.11 1758 <br />O.bb 1799 <br />-0.02 <br /> TOTAL SUSPENDED SOLIDS (mg/1) -2 <br /> ZINC, DISS. (µg/1> -li) -10 -10 -IU <br />' CATION/ANION BALANCE f%) <br />TOTAL DISSOLVED SOLIDS a 180 DEG (mg/I) -1.3 <br />2968 -0.64 <br />2890 -1.61 <br />2862 2 <br />2754 <br /> TOTAL DISSOLVED SOLIDS, CALCULATED (mg/1) 2968 2947.8 2633.04 2643.84 <br /> LITHIUM, DISS. (mg/1) 0.4 rJ.44 U.4 0.25 <br /> COBALT, DISS. (mg/3) -0.02 -0.62 -0.02 -0.02 <br />' FERYLLIUM, DISS. fmg/1) -0.605 -0.605 -O.CrO;~ -u.6OS <br /> VANADIUM, DISS. fmg/1) -10 -0.01 -6.01 -0.01 <br /> <br />1 <br /> <br />