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<br />NUCLA MINE GROUND WAFER QUALITY REPORT
<br />SAMPLE POINT GH-N4(WA0004)
<br />LOCATION 47N16N36BCC
<br />GEOLOGIC UNIT DAKOTA COAL
<br />DATE OF COLLECTION 10/15/86 04/29/87
<br />FIELD PARAMETERS
<br />CONDUCTIVITY (I1MH05/CM) 4380,00 4390.00
<br />PH (UNITS) 6,77 6.57
<br />HATER TEMPERATURE (DEG C) 10,80 11.80
<br />DEPiH 70 HATER (FT) 6,17 7.48
<br />LABORATORY PARAMETERS
<br />ALKALINITY, DISS. (MG/L OF CAC03) 566.00 568.00
<br />ALUMINUM, DISS. (MG/L) < 0.05 < 0.05
<br />ARSENIC, DISS. (UG/L) < 1,00 < 1.00
<br />BARIUM, DISS. (UG/L) 20.00
<br />BICARDONA 7E, DISS. (MC/L) 691,00 693.00
<br />BORON, DISS. (UG/L) 300:00 380.00
<br />CADh11 UM, DISS. (UG/L) < 5.00 6.00
<br />CALCIUM, DISS. (MG/L) 481.00 479.00
<br />CARBONATE, DISS. (MG/L) 0.00 0.00
<br />CIILORIDE, DISS, (MG/L) 53,00 51.00
<br />CHROMIUM, DISS, (UG/l) < 10.00
<br />CONDUCTIVITY ~ 25 DEC C (UMHOS/CM) 5610,00 5920.00
<br />COPPER, DISS. (IIG/L) < 10.00 < 10.00
<br />FLUORIDE, DISS. (MG/L) 0.90 1.20
<br />HARDNESS AS CAC03 (MC/L) 4872.00 4539.00
<br />IRON, DISS. (MC/L) 1.57 0.23
<br />LEAD, UISS. (UG/L) < 20.00 < 20.00
<br />h1ACNESIUM, DI55. (MC/L) 895.00 815.00
<br />MANGANESE, DISS. (MG/L) 1,98 1.68
<br />IAERCURY, DISS. (UG/L) < 0,20 < 0.20
<br />hIOLYBDEN UTA, DISS. (UC/l) < 50.00 < 50.00
<br />NICKEL, DISS. (UC/L) 20.00
<br />NITROGEN, AMMONIA, DISS. (MC/L) 0,74 0.55
<br />NITROGEN, NITRATE, DISS. (MG/L) < 0.02 0.51
<br />NITROGEN, NITRITE, DISS. (MC/L)
<br />PH @ 25 DEC C 7.20 7.20
<br />PHOSPHATE AS P04, DISS, (MG/L) < 0,10
<br />POTASSI UhI, DISS. (MC/L) 25.00 23.00
<br />SELENIUM, DISS. (UG/L) < 1,00 < 1.00
<br />SILVER, DISS. (UC/Lj - < 10.00
<br />SODIUM, DISS. (MG/L) 216.00 203.00
<br />SAR 1,36 1.33
<br />SULFATE, DISS. (MG/L) 4495.00 4363.00
<br />SULFIDE, TOTAL (MC/L)
<br />SUSPENDED SOLIDS (MG/L) 76,00 28.00
<br />ZINC, DISS. (MC/L) 0.04 0.07
<br />CATION/ANION BALANCE (9;) 0.18 2.00
<br />DISS. DISSOLVED SOLIDS ® 180 DEG (MG/l) 6686,00 6748.00
<br />DISS. DISSOLVED SOLIDS, CALCULATED (MG/L) 6505.00 6252.00
<br />INDICATES NO DATA
<br />(CONTINUATION)
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