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
SAMPLE POINT CW-N17 P1(NB0117)
LOCATION 46N15W68CC
GEOLOGIC UNIT DAKOTA COAL
DATE OF COLLECTION
FIELD PARAMETERS
CONDUCTIVITY (UMHOS/CM)
PH (UNITS)
HATER TEMPERATURE (DEC C)
DEPTH TO HATER (FT)
LABORATORY PARAMETERS
•
GROUND WATER QUALITY REPORT
ALNALINITV, DISS. (MG/L OF CAC03)
ALUMINUM, DISS. (MG/L)
ARSENIC, DISS. (UC/L)
BARIUM, DISS. (UG/L)
BICARBONATE, DISS. (MC/L)
BORON, DISS. (UC/L)
CADMIUM, DISS. (UG/L)
CALCIUM, DISS. (MG/L)
CARBONATE, DISS. (MC/L)
CIIIORIDE, 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, (MC/L)
LEAD, DISS. (UG/L)
MAGNESIUM, DISS. (FIG/L)
MANGANESE, DISS. (MC/L)
MERCURY, DISS. (UC/L)
MOLYBDENUM, DISS. (UG/L)
NICKEL, DISS. (UC/L)
NITROGEN, AMMONIA, DISS. (MC/L)
NITROGEN, NITRATE, DISS. (MC/L)
NITROGEN, NITRITE, DISS. (14G/L)
PH @ 25 DEC C
PHOSPHATE AS P04, DISS. (MC/L)
POTASSIUM, DISS. (MC/L)
SELENIUM, DISS. (UC/L)
SILVER, DISS. (UC/L)
SODIUM, DISS. (MG/L)
SAR
SULFATE, DISS. (MC/L)
SULFIDE, TOTAL IMG/L)
SUSPENDED SOLIDS (MC/L)
ZINC, DISS. (MG/L)
CATION/ANION BALANCE (9;)
DISS. DISSOLVED SOLIDS @ 180 DEC (IdC/L)
DI55. DISSOLVED SOLIDS, CALCULATED (MG/L)
INDICATES NO DATA
07/13/86 10/15/86 01/28/87 04/29/87 11/17/87
2480.00 2100.00 2080.00 2450.00 1210.00
8.85 10.25 10.28 9.13 7.58
17.80 12.80 11.00 13.00 11.00
42.01 42.32 43.98 44.26 33.16
236.00 75.00 46.00 82.00 240.00
< 0.05 0.05 < 0.05 < O.U5 0.05
< 1.00 < 1.00 < 1.00 < 1.00 < 1.00
60.00 40.00
288.00 0.00 7.00 95.00 288.00
160.00 120.00 180.00 230.00 270.00
< 5.00 < 5.00 < 5.00 < 5.00 < 5.00
105.00 53.00 16.00 33.00 47.00
0.00 12.00 24.00 2.00 2.00
24.00 27.00 28.00 30.00 31.00
< 10.00 < 10,00 < 10.00
2980.00 2620.00 2870.00 3050.00 3240.00
< 10.00 < 10.00 < 10.00 < 10.00 < 10.00
0.39 0.70 0.50 0.60 0.50
664.00 247.00 81.00 185.00 269.00
< 0.02 < 0.02 < 0.02 < 0.02 < 0.02
20.00 < 20.00 < 20.00 < 20.00 < 20.00
98.00 28.00 10.00 25.00 37.00
< 0.01 < 0.01 < 0.01 < 0.01< 0.01
< 0.20 < 0.20 < 0.20 < 0.20 < 0.20
< 50.00 < 50.00 < 50.00 < 50.00 < 50.00
< 20.00 < 20.00
2.68 5.76 3.59 2,14 2.29
0.02 < 0.02 < 0.02 O.US < 0.02
' < 0.01
8.20 9.80 9.70 8.50 8.40
0.20 < 0.10 < 0.10
20.00 12.00 11.00 13.00 16.00
< 1,00 < 1.00 < 1.00 < 1.00 < 1.00
< lo.on < 10.00 < lo.oo
447.00 641.00 ' 676.00 643.00 785.00
7.63 17.93 33.05 20.80
1519.00 1379.00 1443.00 1550.00 1482.00
0.50
300.00 1332.00 156.00 404.00 528.00
< 0.01 0.01 < 0.01 < 0.01< U.O1
- 5.40 3.46 0.57 4,01 4.60
2292.00 1968.00 2048.00 2306.00 2454.00
2355.00 2185.00 2217.00 2332.00 2528.00