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-N5(WA0005)
LOCATION 47N16W25DDC
GEOLOGIC UNIT UNDERBURDEN
DATE OF COLLECTION 10/18/79 04/10/80 12/16/80 07/08/81 12/18/81 06/24/82 12/21/82
FIELD PARAMETERS
CONDUCTIVITY (UMHOS/CM) 4500.00 700.00 740.00 650.00 750.00 680.00
PH (UNITS) 7.50 9.40 9.50 9.00 9.10 9.30
WATER TEMPERATURE (DEG C) 15.00 16.20 13.50 17.00 13.80
DEPTH TO WATER ( FT) 17.48 18.67 17.89 17.57 17.27 18.20 18.61
LABORATORY PARAMETERS
ALKALINITY, DISS. (MG/L OF CAC03) 21.00 24.00 38.00 58.00 106.00 231 .00 160.00
ALUMINUM, DISS. (MG/L) < 0.30 < 0.10 0.05
ARSENIC, DISS. (UG/L) < 2.00 < 1.00 < 1.00 < 1.00
BARIUM, DISS. (UG/L) < 200.00 < 200.00
BICARBONATE, DISS. (MG/L)
BORON, DISS. (UG/L) 66.00 177.00 255.00 242.00 312.00 66.00 203.00
CADMIUM, DISS. (UG/L) < 2.00 < 2.00 < 0.20
CALCIUM, DISS. (MG/L) 92.00 77.00 33.00 22.00 16.00 4.00 40.00
CARBONATE, DISS. (MG/L)
CHLORIDE, DISS. (MG/L) 19.00 30.00 25.00 27.00 35.00 22.00 30.00
CHROMIUM, DISS. (UG/L) 20.00 20.00 40.00
CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 1018.00 1020.00 860.00 860.00 850.00 930.00 890.00
COPPER, DISS. (UG/L) < 20.00 20.00 < 10.00 < 10.00 1.00
FLUORIDE, DISS. (MG/L) 0.27 0.29 0.30 0.30 < 0.10 0.36 0.84
v HARDNESS AS CAC03 (MG/L) 358.00 325.00 277.00 298.00 402.00 398.00
IRON, DISS. (MG/L) < 0.02 < 0.02 < 0.02 < 0.02 < 0.02
LEAD, DISS. (UG/L) < 20.00 < 20.00 < 20.00 20.00 20.00
v MAGNESIUM, DISS. (MG/L) 31.00 42.00 45.00 49.00 48.00 73.00 65.00
MANGANESE, DISS. (MG/L) 0.12 0.11 0.03 0.02 0.09 0.02 0.04
MERCURY, DISS. (UG/L) < 20.00 40,00 < 0.02 < 0.02 0.08 0.02
MOLYBDENUM, DISS. (UG/L) < 200.00 < 200.00 < 100.00 8.00
NICKEL, DISS. (UG/L) 20.00 < 20.00 < 30.00 < 20.00
NITROGEN, AMMONIA, DISS. (MG/L) 0.50 0.42 0.50 0.18
NITROGEN, NITRATE, DISS. (MG/L) 0.03 1.16 < 1.00 < 1.00 < 1.00 < 1.00 < 0.01
NITROGEN, NITRITE, DISS. (MG/L)
PH @ 25 DEG C 8.30 7.70 9.00 9.10 9.50 9.30
PHOSPHATE AS PO4, DISS. (MG/L) < 0.01
POTASSIUM, DISS. (MG/L) 10.00 8.00 10.00 10.00 8.00 6.00 7.00
SELENIUM, DISS. (UG/L) < 1.00 < 1 .00 < 1 .00 < 1.00
SILVER, DISS. (UG/L) < 2.00 3.00
SODIUM, DISS. (MG/L) 90.00 84.00 83.00 81.00 85.00 87.00 87.00
SAR
SULFATE, DISS. (MG/L) 578.00 468.00 366.00 375.00 285.00 290.00 290.00
70 SUSPENDEDTOTAL SOLIDSM(MG/L) .42.00 12.00 121 .00 10.00 11.00
< ZINC, DISS. (MG/L) 0.02 0.03 0.06 < 0.02 0.01 < 0.01 < 0.01
- • CATION/ANION BALANCE (%)
(^ DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 855.00 794.00 626.00 637.00 650.00 580.00 608.00
p DISS. DISSOLVED SOLIDS, CALCULATED (MG/L)
-----------------------------------------
INDICATES NO DATA
r+
OD
00