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-N19(WB0019)
LOCATION 46N15W6BAA
GEOLOGIC UNIT UNDERBURDEN
DATE OF COLLECTION 07/13/86 10/14/86 01/28/87 04/29/87 11/18/87
FIELD PARAMETERS
CONDUCTIVITY (UMHOS/CM) 1290.00 1300.00 1400.00 1460.00 1530.00
PH (UNITS) 7.59 7.58 6.99 7.21 6.72
WATER TEMPERATURE (DEG C) 16.00 11.80 10.00 14.50 11 .00
DEPTH TO WATER (FT) 34.61 33.98 37.37 38.15 35.41
LABORATORY PARAMETERS
ALKALINITY, DISS. (MG/L OF CAC03) 536.00 530.00 528.00 522.00 512.00
ALUMINUM, DISS. (MG/L) < 0.05 0.05 < 0.05 0.05 < 0.05
ARSENIC, DISS. (UG/L) < 1.00 < 1.00 < 1.00 < 1.00 < 1.00
BARIUM, DISS. (UG/L) 30.00 30.00
BICARBONATE, DISS. (MG/L) 654.00 647.00 644.00 637.00 625.00
BORON, DISS. (UG/L) 200.00 210.00 250.00 280.00 310.00
CADMIUM, DISS. (UG/L) < 5.00 < 5.00 < 5.00 < 5.00 < 5.00
CALCIUM, DISS. (MG/L) 106.00 137.00 134.00 113.00 138.00
CARBONATE, DISS. (MG/L) 0.00 0.00 0.00 0.00 0.00
CHLORIDE, DISS. (MG/L) 23.00 29.00 28.00 28.00 32.00
CHROMIUM, DISS. (UG/L) < 10.00 < 10.00 < 10.00
CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 1600.00 1670.00 1800.00 1890.00 2120.00
COPPER, DISS. (UG/L) < 10.00 < 10.00 < 10.00 < 10.00 < 10.00
FLUORIDE, DISS. (MG/L) 0.53 0.60 0.50 0.70 0.40
v HARDNESS AS CAC03 (MG/L) 519.00 609.00 626.00 582.00 780.00
IRON, DISS. (MG/L) 0.03 0.06 0.05 < 0.02 1.74
LEAD, DISS. (UG/L) 20.00 < 20.00 < 20.00 < 20.00 < 20.00
p MAGNESIUM, DISS. (MG/L) 62.00 65.00 71.00 73.00 106.00
Dn MANGANESE, DISS. (MG/L) 0.02 0.02 0.03 0.02 0.06
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) 1.45 1.75 1.77 1 .74 1 .75
NITROGEN, NITRATE, DISS. (MG/L) 0.04 < 0.02 < 0.02 0.02 0.22
NITROGEN, NITRITE, DISS. (MG/L) < 0.01
PH @ 25 DEG C 770 8.20 7.90 7.60 7.80
PHOSPHATE AS PO4, DISS. (MG/L) 0..10 < 0.10 < 0.10
POTASSIUM, DISS. (MG/L) 30.00 31.00 32.00 29.00 36.00
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) 182.00 183.00 197.00 190.00 222.00
SAR 3.51 3.26 3.46 3.47
SULFATE, DISS. (MG/L) 391.00 471.00 545.00 545.00 724.00
SULFIDE, TOTAL (MG/L) < 0.20
.SUSPENDED SOLIDS (MG/L) 11800 2765:00 94.00 2276.00 54.00
ZINC, DISS. (MG/L) 0.65 0.01 < 0.01 < 0.01 < 0.01
� CATION/ANION BALANCE• (%) - 1.06 0.61 1.72 4.42 0.08
DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 1096.00 1210.00 1284.00 1306.00 1564.00
p_ DISS. DISSOLVED SOLIDS, CALCULATED (MG/L) 1116.00 1234.00 1292.00 1262.00 1529.00
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INDICATES NO DATA
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