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 west
Paradox Hydrolog~stem
Ground Water Quality Report
Site YGAL16 GRASSY CREEK ALLWIUM
11/30/92 5/30/93 8/11/93 10/25/93
Field Parameters
FIELD PH S.U. 7.90 7.20 7.30 7.30
TEMPERATURE C 6.70 11.10 13.00 8.90
CONDUCTIVITY UMHOS/CM 880.00 1090.00 990.00 950.00
Laboratory Parameters
ALK AS CAC03, PH 4.5 MG/L 332.00 348.00 320.00 366.00
ALUMINUM, DISSOLVED MG/L < .OS < .OS < .OS < .OS
ARSENIC, DISSOLVED UG/L 1.00 1.00 < 1.00 < 1.00
BARIUM, DISSOLVED UG/L 70.00 90.00 90.00 80.00
BORON, DISSOLVED UG/L 70.00 70.00 80.00 70.00
CADMIUM, DISSOLVED UG/L < 5.00 < 5.00 < 5.00 < 5.00
CALCIUM, DISSOLVED MG/L 110.00 120.00 123.00 127.00
CHLORIDE MG/L 7.00 10.00 9.00 9.00
CHROMIUM, DISSOLVED UG/L < 10.00 < 10.00 < 10.00 < 10.00
CONDUCTIVITY UMS/CM2 912.00 897.00 1200.00 1029.00
COPPER, DISSOLVED UG/L < 10.00 < 10.00 < 10.00 < 10.00
FLUORIDE MG/L .30 .30 .30 .20
HARDNESS AS CACO3 MG/L 492.00 591.00 582.00 584.00
-~ IRON, DISSOLVED MG/L .OS < .02 < .02 < .02
~. LEAD, DISSOLVED UG/L < 20.00 < 20.00 < 20.00 < 20.00
i MAGNESIUM, DISSOLVED MG/L 53.00 71.00 67.00 65.00
MANGANESE, DISSOLVED MG/L .28 < .O1 < .O1 .12
MERCURY, DISSOLVED UG/L < ,10 < .10 < .20 < .20
MOLYBDENUM, DISSOLVED UG/L < 1.00 < 1.00 < 1.00 < 1.00
NICKEL, DISSOLVED UG/L < 20.00 < 20.00 < 20.00 < 20.00
AMMONIA NITROGEN N MG/L .14 .07 < .OS .08
NITRATE NITROGEN N MG/L < .02 .07 .11 < .02
NITRITE NITROGEN~1 MG/L < .O1 < .O1 < .O1 < .O1
N03 N02 NITROGEN~I MG/L < .02 .07 .11 < .02
PH AT 25 DEG. CERT. S.U. 8.00 7.90 7.50 7.50
POTASSIUM, DISSOLVED MG/L 3.00 4.00 4.00 3.00
SELENIUM, DISSOLVED UG/L < 1.00 2.00 2.00 < 1.00
SILVER, DISSOLVED UG/L < 10.00 < 10.00 < 10.00 < 10.00
SODIUM, DISSOLVED HG/L 22.00 23.00 24.00 24.00
SOLIDS, DISSOLVED MG/L 594.00 738.00 704.00 692.00
SOLIDS, SUSPENDED MG/L 8.00 12.00 18.00 1508.00
SULFATE MG/L 191.00 313.00 290.00 243.00
SULFIDE MG/L .04 < .02 < .02 .28
ZINC, DISSOLVED MG/L < .O1 < .O1 < .O1 < .O1
BICARBONATE AS HC03 MG/L 405.00 425.00 390.00 447.00
CARBONATE AS CO3 MG/L 0.00 0.00 0.00 0.00
PHOSPHATE AS PO4 MG/L .70 1.60 .40 1.20
CATION ANION BALANCE PERCENT .18 -3.25 .23 .55
SAR RATIO .44 .42 .44 .44
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Conditions: From 1/O1/80 To 12/31/93...YGAL16