1988-04-11_PERMIT FILE - C1981008A ‎(12)‎

• Permit No: C1981008A
• IBM Index Class Name: PERMIT FILE
• Doc Date: 4/11/1988
• Doc Name: Ground Water Quality Analysis Including Aquifer Statistics for Nucla & Proposed Nucla East Mining
• Section_Exhibit Name: Tab 7 Appendix 7-4
• Media Type: D
• Archive: Yes

NUCLA EAST MINE GROUND WATER QUALITY REPORT
SAMPLE POINT GW-N18(WB0018)
LOCATION 46N15W6BCC
GEOLOGIC UNIT OVERBURDEN
DATE OF COLLECTION 07/13/86 10/15/86 01/28/87 04/29/87
FIELD PARAMETERS
CONDUCTIVITY (UMHOS/CM) 2200.00 1410.00 2080.00 2450.00
PH (UNITS) 7.10 7.45 6.74 7.05
WATER TEMPERATURE (DEG C) 14.50 15.00 11.00 14.90
DEPTH TO WATER (FT) 24.47 26.10 28.36 28.65
LABORATORY PARAMETERS
ALKALINITY, DISS. (MG/L OF CAC03) 270.00 272.00 294.00 295.00
ALUMINUM, DISS. (MG/L) < 0.05 < 0.05 < 0.05 < 0.05
ARSENIC, DISS. (UG/L) 3.00 3.00 < 1.00 < 1.00
BARIUM, DISS. (UG/L) 70.00
BICARBONATE, DISS. (MG/L) 329.00 332.00 359.00 360.00
BORON, DISS. (UG/L) 110.00 120.00 170.00 190.00
CADMIUM, DISS. (UG/L) < 5.00 < 5.00 < 5.00 < 5.00
CALCIUM, DISS. (MG/L) 570.00 323.00 547.00 515.00
CARBONATE, DISS. (MG/L) 0.00 0.00 0.00 0.00
CHLORIDE, DISS. (MG/L) 1.00 < 1.00 3.00 4.00
CHROMIUM, DISS. (UG/L) < 10.00 < 10.00
CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 2830.00 1660.00 2740.00 3000.00
COPPER, DISS. (UG/L) < 10.00 < 10.00 < 10.00 < 10.00
FLUORIDE, DISS. (MG/L) 1.16 2.10 1.20 1.00
v HARDNESS AS CAC03 (MG/L) 2134.00 1144.00 1946.00 2075:00
IRON, DISS. (MG/L) < 0.02 < 0.02 < 0.02 < 0.02
i LEAD, DISS. (UG/L) 80.00 < 20.00 < 20.00 < 20.00
t0 MAGNESIUM, DISS. (MG/L) 173.00 82.00 141.00 192.00
MANGANESE, DISS. (MG/L) 0.05 0.02 0.08 0.29
MERCURY, DISS. (UG/L) < 0.20 < 0.20 < 0.20 < 0.20
MOLYBDENUM, DISS. (UG/L) < 50.00 < 50.00 < 50.00 < 50.00
NICKEL, DISS. (UG/L) < 20.00
NITROGEN, AMMONIA, DISS. (MG/L) 0.18 < 0.02 0.05 0.28
NITROGEN, NITRATE, DISS. (MG/L) 0.52 0.28 0.22 0.08
NITROGEN, NITRITE, DISS. (MG/L)
PH @ 25 DEG C 750 780 7.70 7.50
PHOSPHATE AS PO4, DISS. (MG/L) 0..20 < 0..10 < 0.10
POTASSIUM, DISS. (MG/L) 3.00 2.00 3.00 4.00
SELENIUM, DISS. (UG/L) < 1.00 2.00 < 1.00 1.00
SILVER, DISS. (UG/L) < 10.00 < 10.00
SODIUM, DISS. (MG/L) 47.00 35.00 66.00 108.00
SAR 0.45 0.46 0.66 1.04
SULFATE, DISS. (MG/L) 1920.00 875.00 1809.00 2052.00
SULFIDE, TOTAL (MG/L)
SUSPENDED SOLIDS (MG/L) 236.00 1496:00 286.00 818.00
ZINC, DISS. (MG/L) 0.07 0.01 0.02 0.03
CATION/ANION BALANCE ( -%) 1.02 1.41 2.40 2.88
cn DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 2870.00 1494.00 2832.00 3218.00
a DISS. DISSOLVED SOLIDS, CALCULATED (MG/L) 2876.00 1479.00 2742.00 3048.00
CD INDICATES NO DATA
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