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-N1(WA0001 )
LOCATION 47N16W25DAD
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) 3000.00 1400.00 2660.00 2350.00 2720.00 2340.00
PH (UNITS) 6.60 6.60
WATER TEMPERATURE (DEG C) 12.50 15.80 13.00 16.00 13.20
DEPTH TO WATER ( FT) 39.63 45.26 40.42 40.12 38.49 38.47 36.30
LABORATORY PARAMETERS
ALKALINITY, DISS. (MG/L OF CAC03) 414.00 483.00 358.00 419.00 460.00 485.00 438.00
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) < 200.00 400.00
BICARBONATE, DISS. (MG/L)
BORON, DISS. (UG/L) 510.00 507.00 846.00 636.00 694.00 325.00 486.00
CADMIUM, DISS. (UG/L) < 2.00 < 2.00 3.10
CALCIUM, DISS. (MG/L) 506.00 522.00 447.00 486.00 452.00 478.00 436.00
CARBONATE, DISS, (MG/L)
CHLORIDE, DISS. (MG/L) 44.00 58.00 72,00 56.00 50.00 42.00 55.00
CHROMIUM, DISS, (UG/L) 0.00 40.00 30.00
CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 3131.00 3430.00 2950.00 3230.00 3120.00 3280.00 2920.00
COPPER, DISS. (UG/1_) 20.00 70.00 < 10.00 < 10.00 15.00
FLUORIDE, DISS. (MG/L) 0.78 0.82 0.74 0.81 0.72 0.72 2.25
HARDNESS AS CAC03 (MG/L) 2100.00 2229.00 2071 .00 2020.00 2224.00 1932.00
IRON, DISS. (MG/L)
8.20 4.88 2.57 0.75 3.50
LEAD, DISS. (UG/L) < 20.00 < 20.00 < 20.00 < 20.00 < 20.00
o MAGNESIUM, DISS. (MG/L) 148.00 225.00 180.00 201 .00 229.00 218.00 190.00
MANGANESE, DISS. (MG/L) 2.59 2.65 2.13 2.56 2.71 2.10 2.50
MERCURY, DISS. (UG/L) < 20.00 < 20.00 < 0.02 < 0.02 0.02 < 0.02
MOLYBDENUM, DISS. (UG/L) < 200.00 < 200.00 < 100.00 2.00
NICKEL, DISS. (UG/L) < 20.00 < 20.00 40.00 30.00
NITROGEN, AMMONIA, DISS, (MG/L) 1.62 0.63 0.42 1 .07
NITROGEN, NITRATE, DISS. (MG/L) 0,02 1,29 < 1.00 1.15 < 1.00 < 1.00 0.03
NITROGEN, NITRITE, DISS. (MG/L)
PH @ 25 DEG C 6.70 6.90 6.50 6.50 7.00 6.90 6,70
PHOSPHATE AS PO4, DISS. (MG/L) < 0.01
POTASSIUM, DISS. (MG/L) 13.00 13,00 13.00 12,00 10.00 13.00 15.00
SELENIUM, DISS. (UG/L) < 1.00 < 1 .00 < 1.00 < 1.00
SILVER, DISS. (UG/L) 10.00 12,00
SODIUM, DISS. (MG/L) 116:00 111.00 124.00 110.00 104.00 110.00 106.00
SAR
SULFATE, DISS. (MG/L) 1854.00 1900.00 1689.00 1709.00 1637.00 1881 .00 1518.00
SULFIDE, TOTAL (MG/L)
SUSPENDED SOLIDS (MG/L) 0.06 0.18 38 00 0.20 199 00 10.00 10.00 10,100
CD ZINC, DISS. (MG/L)
CATION/ANION BALANCE (%)
to DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 3218:00 3446:00 2915.00 3170.00 3155.00 3190.00 2868.00
cD DISS. DISSOLVED SOLIDS, CALCULATED (MG/L)
p• -----------------------------------------
CD INDICATES NO DATA
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