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-N21(WB0021 )
LOCATION 46N15W6BAA
GEOLOGIC UNIT OVERBURDEN
DATE OF COLLECTION 07/12/86 10/14/86 01/28/87 04/29/87 11/18/87
FIELD PARAMETERS
CONDUCTIVITY (UMHOS/CM) 2000.00 2250.00 2800.00 2950.00 2430.00
PH (UNITS) 7.17 6.9LF 6.71 6.82 6.41
WATER TEMPERATURE (DEG C) 14.50 12.40 9.50 13.50 10.90
DEPTH TO WATER (FT) 13.89 27.24 34.13 32.07 31.40
LABORATORY PARAMETERS
ALKALINITY, DISS. (MG/L OF CAC03) 300.00 324.00 340.00 348.00 334.00
ALUMINUM, DISS. (MG/L) < 0.05 0.07 0.21 < 0.05 < 0.05
ARSENIC, DISS. (UG/L) < 1.00 < 1.00 < 1.00 < 1 .00 < 1.00
BARIUM, DISS. (UG/L) 30.00 20.00
BICARBONATE, DISS. (MG/L) 36600 395.00 415.00 425.00 407.00
BORON, DISS. (UG/L) 130..00 190.00 260.00 290.00 200.00
CADMIUM, DISS. (UG/L) < 5.00 < 5.00 < 5.00 < 5.00 < 5.00
CALCIUM, DISS. (MG/L) 670.00 575.00 543.00 505.00 580.00
CARBONATE, DISS. (MG/L) 0.00 0.00 0.00 0.00 0.00
CHLORIDE, DISS. (MG/L) 1.00 11.00 13.00 13.00 12.00
CHROMIUM, DISS. (UG/L) < 10.00 < 10.00 < 10.00
CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 2580.00 2790.00 3520.00 3750.00 3110.00
COPPER, DISS. (UG/L) < 10.00 < 10.00 < 10.00 < 10.00 < 10.00
FLUORIDE, DISS. (MG/L) 1.39 1.90 1.10 1.40 1 .30
HARDNESS AS CAC03 (MG/L) 1991.00 2122.00 2706.00 2825.00 2389.00
IRON, DISS. (MG/L) 0.04 0.02 0.75 0. 18 0.61
v LEAD, DISS. (UG/L) 60.00 < 20.00 < 20.00 < 20.00 < 20.00
MAGNESIUM, DISS. (MG/L) 77.00 167.00 329.00 381.00 229.00
MANGANESE, DISS. (MG/L) 0.03 0.31 0.54 0.49 0.24
�-' MERCURY, DISS. (UG/L) < 0.20 < 0.20 < 0.20 < 0.20 < 0.20
'J MOLYBDENUM, DISS. (UG/L) < 50.00 < 50.00 < 50.00 < 50.00 < 50.00
NICKEL, DISS. (UG/L) < 20.00 < 20.00
NITROGEN, AMMONIA, DISS. (MG/L.) 018 0.20 0.69 0.76 0.42
NITROGEN, NITRATE, DISS. (MG/L) 0..39 0.02 < 0.02 0.17 0.02
NITROGEN, NITRITE, DISS. (MG/L) < 0.01
PH @ 25 DEG C 7.50 7.60 7.50 7.50 7.60
PHOSPHATE AS PO4, DISS. (MG/L) 0.20 < 0.10 < 0.10
POTASSIUM, DISS. (MG/L) 3.00 5.00 10.00 9.00 7.00
SELENIUM, DISS. (UG/L) 2.00 < 1.00 < 1.00 < 1 .00 < 1 .00
SILVER, DISS. (UG/L) < 10.00 < 10.00 < 10.00
SODIUM, DISS. (MG/L) 15.00 35.00 71.00 84.00 49.00
SAR 0.15 0.33 0.60 0.70
SULFATE, DISS. (MG/L) 1616.00 1922.00 2533.00 2647.00 2120.00
SULFIDE, TOTAL (MG/L) < 0.20
SUSPENDED SOLIDS (MG/L) 184.00 848.00 344.00 11400 126.00
rD< ZINC, DISS. (MG/L) 0.04 0.03 0.03 0..03 0.03
�• CATION/ANION BALANCE 0.73 3.33 2.42 2.02 1 .40
DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 2552.00 2928.00 3810.00 3982.00 3090.00
rD
a DISS. DISSOLVED SOLIDS, CALCULATED (MG/L) 2562.00 2909.00 3693.00 3839.00 3190.00
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