PERMFILE132315

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: GROUND WATER CHEMISTRY DATA
• Section_Exhibit Name: TAB 07 APPENDIX 7-4 Part 1
• Media Type: D
• Archive: No

• Peabody weste~
Paradox Hydrology tem
Ground Water Quality Report
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Site YGAL16 GRASSY CREEK ALLW IUM
12/14/90 6/20/91 8/28/91 10/18/91 6/30/92 9/17/92
Field Parameters
FIELD PH S.U. 8.40 7.90 7 .90 7.90 7.10 7.10
TEMPERATURE C 9.00 10.60 ]0 .60 9.40 11.10 13.30
CONDUCTIVITY UMHOS/CM 760.00 870.00 920 .00 1030.00 1150.00 1020.00
Laboratory Parameters
ALK AS CACO3, PH 4.5 MG/L 305.00 320.00 338 .00 362.00 342.00 344.00
ALUMINUM, DISSOLVED MG/L < .OS < .OS < .OS < .OS .OS < .OS
ARSENIC, DISSOLVED UG/L 2.00 2.00 2 .00 < 1.00 2.00 1.00
BARIUM, DISSOLVED UG/L 60.00 60.00 60 .00 80.00 90.00 70.00
BORON, DISSOLVED UG/L 60.00 20.00 70 .00 70.00 80.00 70.00
CADMIUM, DISSOLVED UG/L < 5.00 < 5.00 < 5 .00 < 5.00 < 5.00 < 5.00
CALCIUM, DISSOLVED MG/L 88.00 98.00 95 .00 113.00 131.00 117.00
CHLORIDE MG/L 7.00 10.00 13 .00 18.00 12.00 4.00
CHROMIUM, DISSOLVED UG/L < 10.00 < 10.00 < 10 .00 < 10.00 < 10.00 < 10.00
CONDUCTIVITY UMS/CM2 1000.00 895.00 911 .00 1060.00 953.00 829.00
COPPER, DISSOLVED UG/L < 10.00 < 10.00 < 10 .00 < 10.00 < 10.00 < 10.00
FLUORIDE MG/L .29 .50 .30 .30 .20 .30
HARDNESS AS CACO3 MG/L 409.00 475.00 496 .00 549.00 623.00 547.00
IRON, DISSOLVED MG/L .34 < .02 < .02 < .02 .07 < .02
LEAD, DISSOLVED UG/L < 20.00 < 20.00 30 .00 30.00 < 20.00 < 20.00
~ MAGNESIUM, DISSOLVED MG/L 46.00 56.00 63 .00 65.00 72.00 62.00
.- MANGANESE, DISSOLVED MG/L .30 .15 .07 .10 .03 .02
' MERCURY, DISSOLVED UG/L < .10 < .10 < .10 < .10 < .10 < .10
.o MOLYBDENUM, DISSOLVED UG/L < 1.00 1.00 1 .00 < 1.00 < 1.00 < 1.00
NICKEL, DISSOLVED UG/L < 20.00 < 20.00 < 20 .00 < 20.00 < 20.00 < 20.00
AMMONIA NITROGEN N MG/L .30 .17 .16 .13 .OS < .OS
NITRATE NITROGEN N MG/L < .02 .15 .27 .24 .13 .06
NITRITE NITROGEN~1 MG/L .O1 < .O1 < .O1 < .O1 .02 < .O1
NO3 NO2 NITROGEN~1 MG/L < .02 .14 .26 .23 .15 .06
PH AT 25 DEG. CERT. S.U. 8.20 8.00 8 .60 8.40 7.90 8.60
PHOSPHORUS, ORTHOPHOS MG/L .57 .93
POTASSIUM, DISSOLVED MG/L 3.00 3.00 3 .00 3.00 9.00 3.00
SELENIUM, DISSOLVED UG/L < 1.00 < 1.00 < 1 .00 < 1.00 < 1.00 < 1.00
SILVER, DISSOLVED UG/L < 10.00 < 10.00 < 10 .00 < 10.00 < 10.00 < 10.00
SODIUM, DISSOLVED MG/L 31.00 32.00 30 .00 24.00 24.00 22.00
SOLIDS, DISSOLVED MG/L 546.00 692.00 648 .00 670.00 810.00 696.00
SOLIDS, SUSPENDED MG/L 180.00 116.00 2216 .00 2400.00 1032.00 30.00
SULFATE MG/L 167.00 202.00 202 .00 212.00 305.00 253.00
SULFIDE MG/L < .O1 < .10 .OS .OB < .02 < .02
ZINC, DISSOLVED MG/L .21 < .O1 < .O1 < .O1 < .O1 < .O1
BICARBONATE AS HCO3 MG/L 372.00 390.00 378 .00 422.00 417.00 381.00
CARBONATE AS CO3 MG/L 0.00 0.00 17 .00 10.00 0.00 19.00
PHOSPHATE AS PO4 MG/L .20 1.80 2 .90 3.10 .70 .80
CATION ANION BALANCE PERCENT -.98 .27 - .26 -.37 .11 -1.36
Conditions: From 1/01/80 To 12/31/93...YGAL16