PERMFILE116165

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: NH1 TAB 7 APPENDIX 7-4 Groundwater Quality Analysis Including Aquifer Statistics
• Media Type: D
• Archive: Yes

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NUCLA EAST MINE GROUND WATER QUALITY REPORT
SAMPLE POINT CW-N131 WB0013)
LOCATION 47N16W36DAC
GEOLOGIC UNIT UNDERBURDEN
GATE OF COLLECTION 07/13/86 10/14/86 0 1/28/87 04/29/87 10/29/87
FIELD PARAMETERS
CONDUCTIVITY (UMHOS/CM) 2190.00 2200.00 2160.00 2290.00 2050. 00
PH (UNITS) 6.81 6.89 6.47 6.83 6. 44
HATER TEMPERATURE (DEG C) 16.00 12.80 11.00 14.00 14 .00
DEPTH TO WATER (FT) 73.29 69.15 75.32 76.32 73. 34
LABORATORY PARAMETERS
ALKALINITY, DISS. (MC/L OF CAC03) 490.00 508.00 502.00 494.00 514. 00
ALUMINUM, DISS. (MC/L) < 0.05 < 0.05 < 0.05 < O.U5 < U. OS
ARSENIC, DISS. (UG/L) 3.00 < 1.00 12.00 11.00 13. 00
BARIUM, DISS. (UC/Lj 30.00 20. 00
BICARBONATE, DISS. (MG/L) 598.00 620.00 612.00 G03.00 627. 00
BORON, DISS. (UC/L) 330.00 360.00 360.00 410.00 430. 00
CADMIUM, DISS. (UG/L) < 5.00 < 5.00 7.00 < 5.00 < 5. 00
CALCIUM, DISS. (MC/L) 359.00 372.00 367.00 357.00 373. 00
CARBONATE, DISS. (MG/L) 0.00 0.00 O.UO O.UO 0. 00
CHLORIDE, DISS. (MC/L) 32.00 38.00 38.00 38.00 37. 00
CHROMIUM, DISS. (UG/L) < 10.00 < 10.00 < 10, 00
CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 2730.00 2750.00 2810.00 2790.00 2840. 00
COPPER, DISS. (UG/L) < 10.00 < 10.00 < 10.00 < 10.00 < 10, 00
FLUORIDE, DISS. (MC/L) 0.37 0.60 0.50 0.60 1. 20
HARDNESS AS CAC03 (MG/L) 1730.00 1791.00 1742.00 1778.00 1888. 00
IRON, DISS. (MG/L) 0.20 2.22 2.41 2.51 2. 66
LEAD, DISS. (UG/L) 40.00 < 20.00 < 20.00 < 20.00 < 20. 00
MAGNESIUM, DISS, (I4G/L) 203.00 210.00 201.00 216.00 233. 00
MANGANESE, DISS, (MC/l) 0.24 0.30 0.26 0.22 0. 11
MERCURY, DISS. (UC/L) < 0.20 t 0.20 < 0.20 < 0.20 < 0. 20
MOLYBDENUId, DISS. (UC/L) < 50.00 < 50.00 < 50.00 < 50.00 < 50. 00
NICKEL, DISS. (UC/L) < 20.00 < 20. 00
NITROGEN, AMMONIA, DISS. (MG/L) 1.03 1_26 1.11 1.17 1, 10
NITROGEN, NITRATE, DISS, (MG/L) < 0.02 < 0.02 < 0.02 O.U5 0. 02
NITROGEN, NITRITE, DISS. (MC/L) < 0. 01
PII ® 25 DEG C 7.00 7.30 7.40 7.70 7. 30
PHOSPHATE AS P04, DISS. (MC/L) < 0.10 < 0.10 < 0.10
POTASSIUh1, DISS. (tAC/L) 23.00 23.00 23.00 22.00 24. 00
SELENIUM, DISS. (UC/L) < 1.00 < 1.00 < 1.00 < 1.00 < 1. 00
SILVER, DISS. (UG/Lj < 10.00 < 10.00 < 10. 00
SODIUM, DISS. (MC/L) 137.00 139.00 127.00 120.00 149. 00
SAR 1.45 1.45 1.34 1.25 1. 51
SULFATE, DISS. (MG/L) 1379.00 1457:00 ~ 1509.00 1509.00 1611. 00
SULFIDE, TOTAL (MG/L) < 0. 20
SUSPENDED SOLIDS (MG/L) 90.00 860.00 410.00 1008.00 150. 00
ZINC, DISS. (MC/L) 0.37 0.03 0.03 0.02 0. 01
CATION/ANION BALANCE (~) 1.94 0.84 2.11 1.45 0. 23
DISS. DISSOLVED SOLIDS ® 180 DEC (MC/Lj 2440.00 2532.00 2632.00 2648.00 2746. 00
DISS. DISSOLVED SOLIDS, CALCULATED (MC/L) 2427.00 2544.00 2543.00 2536.00 2711. 00
INDICATES NO DATA