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-N22(WB0022)
LOCATION 46N16W1DAC
GEOLOGIC UNIT ALLUVIUM
DATE OF COLLECTION 07/13/86 10/15/86 01/28/87 04/29/87 11/17/87
FIELD PARAMETERS
CONDUCTIVITY (UMHOS/CM) 3140.00 2400.00 2300.00 2400.00 2250.00
PH (UNITS) 7.09 7.20 6.69 6.98 6.64
WATER TEMPERATURE (DEG C) 13.00 11.80 10.00 11.50 9.00
DEPTH TO WATER (FT) 8.08 8.13 9.01 9.22 8.27
LABORATORY PARAMETERS
ALKALINITY, DISS. (MG/L OF CAC03) 354.00 336.00 335.00 328.00 322.00
ALUMINUM, DISS. (MG/L) < 0.05 0.11 < 0.05 0.11 < 0.05
ARSENIC, DISS. (UG/L) 1.00 < 1.00 < 1.00 < 1 .00 < 1 .00
BARIUM, DISS. (UG/L) 10.00 10.00
BICARBONATE, DISS. (MG/L) 432.00 410.00 409.00 400.00 393.00
BORON, DISS. (UG/L) 310.00 470.00 410.00 430.00 380.00
CADMIUM, DISS. (UG/L) < 5.00 < 5.00 < 5.00 < 5.00 < 5.00
CALCIUM, DISS. (MG/L) 610.00 523.00 561.00 505.00 564.00
CARBONATE, DISS. (MG/L) 0.00 0.00 0.00 0.00 0.00
CHLORIDE, DISS. (MG/L) 12.00 18.00 12.00 10.00 11.00
CHROMIUM, DISS. (UG/L) < 10.00 < 10.00 < 10.00
CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 3410:00 3160.00 3100.00 3230.00 3030.00
COPPER, DISS. (UG/L) < 10.00 < 10.00 < 10.00 < 10.00 < 10.00
FLUORIDE, DISS. (MG/L) 0.36 0.50 0.50 1.00 0.50
v HARDNESS AS CAC03 (MG/L) 2484.00 2185.00 2288.00 2156.00 2316.00
IRON, DISS. (MG/L) < 0.02 < 0.02 < 0.02 < 0.02 < 0.02
LEAD, DISS. (UG/L) 70.00 < 20.00 < 20.00 < 20.00 < 20.00
MAGNESIUM, DISS. (MG/L) 234.00 214.00 216.00 218.00 221.00
MANGANESE, DISS. (MG/L) 0.81 1.18 0.77 0.73 1 .03
MERCURY, DISS. (UG/L) < 0.20 < 0.20 < 0.20 < 0.20 < 0.20
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) 004 < 0.02 0.03 0.13 0.02
NITROGEN, NITRATE, DISS. (MG/L) < 0..02 < 0.02 < 0.02 0.02 0.02
NITROGEN, NITRITE, DISS. (MG/L) < 0.01
PH @ 25 DEG C 7.70 7.50 7.50 7.30 7.20
PHOSPHATE AS PO4, DISS. (MG/L) 0.20 < 0.10 < 0.10
POTASSIUM, DISS. (MG/L) 5.00 3.00 4.00 3.00 4.00
SELENIUM, DISS. (UG/L) < 1.00 < 1.00 < 1.00 < 1.00 < 1 .00
SILVER, DISS. (UG/L) < 10.00 < 10.00 < 10.00
SODIUM, DISS. (MG/L) 85.00 123.00 103.00 100.00 114.00
SAR 0.75 1.16 0.95 0.95
SULFATE, DISS. (MG/L) 2264.00 2161.00 2103.00 2097.00 2109.00
SULFIDE, TOTAL (MG/L) < 0.20
SUSPENDED SOLIDS (MG/L) 10980 4580:00 1278.00 510.00 11296
< ZINC, DISS. (MG/L) 0.02 0.01 0.03 0.01 0.01
CATION/ANION BALANCE (%) - 1.29 3.36 0.79 3.33 0.39
DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 3450.00 3330.00 3192.00 3266.00 3216.00
a DISS. DISSOLVED SOLIDS, CALCULATED (MG/L) 3422.00 3244.00 3196.00 3127.00 3212.00
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CD INDICATES NO DATA
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