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 Hydrology System
Ground water Quality Report
Site YGAL15 GRASSY CREEK ALLWIUM
9/17/92 11/30/92

2/27/93 5/30/93 8/11/93 10/25/93
Field Parameters
FIELD PH S.U. 7.00 6.70 6.70 7.50 7.20 7,10
TEMPERATURE C 19.40 6.70 9.30 10.00 12.40 9.00
CONDUCTIVITY UMHOS/CM 3800.00 3700.00 3600.00 3500.00 3900.00 3700.00
Laboratory Parameters
ALK AS CAC03, PH 4.5 MG/L 356.00 366.00 368.00 338.00 364.00 388.00
ALUMINUM, DISSOLVED MG/L < .OS < .OS < .OS < .OS < .05 < .OS
ARSENIC, DISSOLVED UG/L < 5.00 1.00 2.00 1.00 1.00 2.00
BARIUM, DISSOLVED UG/L 20.00 10.00 20.00 20.00 20.00 20.00
BORON, DISSOLVED UG/L 110.00 80.00 100.00 110.00 120.00 110.00
CADMIUM, DISSOLVED UG/L < 5.00 < 5.00 < 5.00 < 5.00 < 5.00 < 5.00
CALCIUM, DISSOLVED MG/L 365.00 351.00 362.00 349.00 378.00 358.00
CHLORIDE MG/L 9.00 21.00 21.00 32.00 29.00 27.00
CHROMIUM, DISSOLVED UG/L < 10.00 < 10.00 < 10.00 < 10.00 < 10.00 < 10.00
CONDUCTIVITY UMS/CM2 3150.00 3870.00 4080.00 3370.00 4500.00 3780.00
COPPER, DISSOLVED UG/L < 10.00 < 10.00 < 10.00 < 10.00 < 10.00 < 10.00
FLUORIDE MG/L .30 .20 .30 .30 .30 .30
HARDNESS AS CAC03 MG/L 1605.00 1525.00 1594.00 1529.00 1646.00 1563.00
IRON, DISSOLVED MG/L 10.20 1.13 7.60 9.92 13.00 13.30
LEAD, DISSOLVED UG/L < 20.00 c 20.00 < 20,00 20.00 < 20.00 < 20.00
MAGNESIUM, DISSOLVED MG/L 169.00 158.00 168.00 160.00 171.00 163.00
MANGANESE, DISSOLVED MG/L .58 .63 .64 .53 .77 .96
MERCURY, DISSOLVED UG/L < .10 < ,10 < .10 < ,10 < ,20 < .20
MOLYBDENUM, DISSOLVED UG/L 2.00 < 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 .37 .54 .59 .82 .64 ,66
NITRATE NITROGEN N MG/L .05 < .02 < .02 .03 .11 .12
NITRITE NITROGEN~J MG/L < .O1 < .O1 < .O1 < .O1 .02 < .O1
N03 N02 NITROGEN~1 MG/L .OS < .02 < .02 .03 .13 .12
PH AT 25 DEG. CERT. S.U. 8.50 7.80 7.30 7.10 7.20 7.10
POTASSIUM, DISSOLVED MG/L 7.00 7,00 7.00 7.00 8.00 8.00
SELENIUM, DISSOLVED UG/L < 1.00 < 1.00 < 1.00 < 10.00 < 5.00 < 1.00
SILVER, DISSOLVED UG/L < 10.00 < 10.00 < 10.00 < 10.00 < 10.00 < 10.00
SODIUM, DISSOLVED MG/L 471.00 497.00 452.00 418.00 962.00 446.00
SOLIDS, DISSOLVED MG/L 3424.00 3404.00 3392.00 3242.00 3490.00 3418.00
SOLIDS, SUSPENDED MG/L 106.00 74.00 52.00 48.00 50.00 40.00
SULFATE MG/L 2214.00 2033.00 2173.00 2149.00 2079.00 2107.00
SULFIDE MG/L < .02 .04 < .02 < .02 < ,02 < .02
ZINC, DISSOLVED MG/L .03 .02 .04 .03 .03 .04
BICARBONATE AS HC03 MG/L 405.00 447,00 449.00 412.00 444.00 473.00
CARBONATE AS C03 MG/L 14.00 0.00 0.00 0.00 0.00 0.00
PHOSPHATE AS P04 MG/L < ,10 < .10 < .10 < .10 < .10 < .10
CATION ANION BALANCE PERCENT -.80 -.29 -1.59 -3.58 1.63 -1
60
SAR RATIO 5.17 5.04 4.98 4.70 5.01 .
4.96

Conditions: From 1/01/80 To 12/31/93...WELL...GAL