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 MINE GROUND WATER QUALITY REPORT
SAMPLE POINT GW-N6(WA0006)
LOCATION 47N15W31CCA
GEOLOGIC UNIT UNDERBURDEN
DATE OF COLLECTION 10/18/79 12/16/80 07/09/81 12/18/81 06/23/82 12/21/82
FIELD PARAMETERS
CONDUCTIVITY (UMHOS/CM) 1700.00 2850.00 3020.00 3150.00 3000.00
PH (UNITS) 7.80 6.50 7.60 6.50 7.20
WATER TEMPERATURE (DEG C) 13.50 15.20 12.20 16.20 13.50
DEPTH TO WATER (FT) 79.41 80.56 79.00 78.49 79.29 79.10
LABORATORY PARAMETERS
ALKALINITY, DISS. (MG/L OF CAC03) 411.00 496.00 325.00 323.00 357.00 274.00
ALUMINUM, DISS. (MG/L) < 0.30 < 0.10 0.08
ARSENIC, DISS. (UG/L) < 2.00 < 1.00 < 1.00 < 1.00
BARIUM, DISS. (UG/L) 200.00 300.00
BICARBONATE, DISS. (MG/L)
BORON, DISS. (UG/L) 312.00 467.00 452.00 822.00 222.00 325.00
CADMIUM, DISS. (UG/L) < 2.00 < 2.00 4.60
CALCIUM, DISS. (MG/L) 498.00 476.00 516.00 470.00 490.00 436.00
CARBONATE, DISS. (MG/L)
CHLORIDE, DISS. (MG/L) 1400 20.00 14.00 25.00 18.00 26.00
CHROMIUM, DISS. (UG/L) 50..00 60.00
CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 3917.00 4060.00 3440.00 4070.00 3830.00 3790.00
COPPER, DISS. (UG/L) 20.00 < 20.00 20.00 16.00
FLUORIDE, DISS. (MG/L) 0.64 1.06 0.61 0.92 0.68 2.10
v HARDNESS AS CAC03 (MG/L) 3010.00 2439.00 2960.00 2735.00 2704.00
IRON, DISS. (MG/L) 131.00 49.00 113.00 39.80 72.00
LEAD, DISS. (UG/L) < 20.00 < 20.00 < 20.00 < 20.00 < 20.00
MAGNESIUM, DISS. (MG/L) 435.00 421.00 306.00 412.00 359.00 381.00
MANGANESE, DISS. (MG/L) 4.92 4.51 3.03 5.08 2.91 2.51
MERCURY, DISS. (UG/L) < 20.00 < 0.02 0.04 0.06 < 0.02
MOLYBDENUM, DISS. (UG/L) < 200.00 < 100.00 7.00
NICKEL, DISS. (UG/L) 20.00 < 30.00 < 20.00
NITROGEN, AMMONIA, DISS. (MG/L) 0.48 0.37 0.80 0.22
NITROGEN, NITRATE, DISS. (MG/L) < 0.01 1.10 1.02 < 1.00 < 1.00 0.02
NITROGEN, NITRITE, DISS. (MG/L)
PH @ 25 DEG C 6.60 6.60 6.50 6.50 6.60 6.60
PHOSPHATE AS PO4, DISS. (MG/L) 0.06
POTASSIUM, DISS. (MG/L) 10.00 10.00 10.00 8.00 7.00 13.00
SELENIUM, DISS. (UG/L) < 1.00 < 1.00 < 1.00 < 1 .00
SILVER, DISS. (UG/L) 10.00
SODIUM, DISS. (MG/L) 77.00 70.00 63.00 69.00 69.00 68.00
SAR
SULFATE, DISS. (MG/L) 2808.00 2560:00 2074.00 2518:00 2344.00 2538.00
SULFIDE, TOTAL (MG/L)
SUSPENDED SOLIDS (MG/L) 16.00 82.00 101.00 119.00 117.00
< ZINC, DISS. (MG/L) 11.40 0.88 1.84 0.45 3.20 0.13
CATION/ANION BALANCE (%)
to DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 4292.00 4224.00 3667.00 4220.00 3835.00 3912.00
CD DISS. DISSOLVED SOLIDS, CALCULATED (MG/L)
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C INDICATES NO DATA
00
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