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

NUCLA MINE GROUND HATER QUALITY REPORT
SAMPLE POINT GW-N9(WA0009)
LOCATION 47N16W25CAD
GEOLOGIC UNIT OVERBURDEN AND DAKOTA COAL
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DATE OF COLLECTION
FIELD PARAMETERS
CONDUCTIVITY (UMHOS/CM)
PIi (UNITS)
WATER TEMPERATURE (DEG C)
DEPTH TO HATER (FT)
LABORATORY PARAMETERS
ALKALINITY, DISS. (MG/L OF CAC03)
ALUMINUM, DISS. (MG/L)
ARSENIC, DISS, (UG/L)
BARIUTA, DISS. (UC/L)
BICARBONATE, DISS. (MG/L )
BORON, DISS. (UC/L)
CADMIUM, DISS, (UC/L)
CALCIUM, DISS, (MC/L)
CARBONATE, DISS. (MG/L)
CIiLORIDE, DISS. (MC/L)
CHROMIUM, DISS. (UC/L)
CONDUCTIVITY ® 25 DEG C (UMHOS/CM)
COPPER, DISS. (UG/L)
FLUORIDE, DISS. (MG/L)
HARDNESS AS CAC03 (MC/L)
IRON, DISS. (LAG/L)
LEAD, DISS. (UG/L)
MAGNESIUM, DISS. (MC/L)
MANGANESE, DISS. (MC/L)
MERCURY, DISS, (UG/L)
MOLYBDENUM, DISS. (UC/L)
NICKEL, DISS. (UC/L)
NITROGEN, AMMONIA, DISS. (MC/L)
NITROGEN, NITRATE, DISS. (MC/L)
NITROGEN, NITRITE, DISS. (MG/L)
PII 0 25 DEC C
PI105PHATE AS P04, DISS. (MC/L)
POTASSIUM, DISS. (MC/L)
SELENIUM, DISS. (UC/L)
SILVER, DISS. (UG/L)
SODIUM, DISS. (MC/L)
SAR
SULFATE, DISS, (MG/L)
SULFIDE, TOTAL (MG/L)
SUSPENDED SOLIDS (MC/1_)
ZINC, DISS. (MC/L)
CATION/ANION BALANCE (7oI
DISS. DISSOLVED SOLIDS @ 180 DEC (LAG/L)
DISS. DISSOLVED SOLIDS, CALCULATED (MC/L)
INDICATES NO DATA
10/18/79 04/10/80 12/16/80 07/08/81 12/18/81 06/24/82 12/21/82
2500.00 2100.00 - 2940.00 2980.00 3040.00 3250.00
6.80 6.70 6.50 7.20 6.40 6.80
12.50 15.50 12.00 16.00 15.20
35.10 46.31 42.30 31.11 43.32 33.48 43.74
367.00 448.00 348.00 347.00 428.00 352.00 454.00
< 0.30 < 0.10 0.05
< 2.00 < 1.00 < 1.00 < 1.00
< 200.00 500.00
359.00 523.00 506.00 455.00 738.00 368.00 525.00
< 2.00 < 2.00 3.70
531.00 530.00 588.00 550.00 554.00 532.00 259.00
10.00 530.00 2.00 3.00 23.00 3.00 40.00
30.00 50.00 80.00
3417.00 4360.00 3400.00 3520.00 4270.00 3730.00 4170.00
20.00 30.00 < 10.00 20.00 14.00
0.64 0.56 0.86 0.67 0.74 0.74 1.38
2653.00 3277.00 2784.00 3055.00 2869.00 3022.00
0.84 2.85 3.09 1.32 4.18
< 20.00 < 20.00 20.00 < 20.00 20.00
381.00 410.00 306.00 336.00 424.00 376.00 382.00
2.28 2.18 1.68 2,64 1.97 2.07 1.40
< 20.00 20.00 < 0.02 < 0.02 0.06 < 0.02
< 200.00 < 200.00 < 100.00 3.00
20.00 20.00 < 30.00 30.00
0.24 0.52 < 0.10 1.OU
< 0.01 1.61 1.52 1.40 1.12 < 1.00 0.18
6.80 6.90 6.40 6.50 6.90 6.70 6.80
< 0.01
11.00 11.00 6.00 6.00 11.00 4.00 20.00
< 1.00 < 1.00 < 1.00 < 1.OU
13.00 14.00
107.00 79.00 21.00 23.00 83.00 25.00 109.00
2517.00 2992.00 2287.00 2386.00 2729,00 2542.00 2568.00
9.00 158.00 121,00 153.00 107.00
0.22 0.14 0.02 0.07 0.13 0.15 0.13
3894.00 4708.00 3622.00 3846.00 4420.00 3880.00 4336.00