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 western •
Paradox Hydrology System
Ground Water Quality Report
u
Site YGAL17 GRASSY CREEK ALLW IUM
12/15/90 6/19/91 8/27/91 10/18/91 6/30/92 9/17/92
Field Parameters
FIELD PH S.U. 8.40 7.50 7.30 7.50 6.90 7.00
TEMPERATURE C 7.00 11.10 10.00 10.00 11.10 12.80
CONDUCTIVITY UMHOS/CM 1080.00 1020.00 1120.00 1120.00 1150.00 1120.00
Laboratory Parameters
ALK AS CACO3, PH 4.5 MG/L 270.00 346.00 330.00 329.00 308.00 322.00
ALUMINUM, DISSOLVED MG/L < .OS .29 < .OS < .OS < .OS < .OS
ARSENIC, DISSOLVED UG/L 2.00 5.00 1.00 < 1.00 < 1.00 < 1.00
BARIUM, DISSOLVED UG/L 20.00 50.00 30.00 40.00 30.00 30.00
BORON, DISSOLVED UG/L 70.00 90.00 100.00 90.00 80.00 80.00
CADMIUM, DISSOLVED UG/L < 5.00 < 5.00 < 5.00 < 5.00 < 5.00 < 5.00
CALCIUM, DISSOLVED MG/L 102.00 100.00 108.00 120.00 112.00 113.00
CHLORIDE MG/L 4.00 5.00 8.00 19.00 5.00 13.00
CHROMIUM, DISSOLVED UG/L < 10.00 < 10.00 < 10.00 < 10.00 < 10.00 < 10.00
CONDUCTIVITY UMS/CM2 1290.00 1070.00 1120.00 1180.00 950.00 903.00
COPPER, DISSOLVED UG/L < 10.00 < 10.00 < 10.00 < 10.00 < 10.00 < 10.00
FLUORIDE MG/L ,27 .90 .20 .20 .20 .20
HARDNESS AS CACO3 MG/L 501.00 500.00 504.00 567.00 526.00 533.00
IRON, DISSOLVED MG/L 3.94 2.12 4.26 3.17 5.52 4.90
LEAD, DISSOLVED UG/L < 20.00 < 20.00 < 20.00 < 20.00 < 20.00 < 20.00
MAGNESIUM, DISSOLVED MG/L 60.00 61.00 57.00 65.00 60.00 61.00
MANGANESE, DISSOLVED MG/L .35 .32 .46 .51 .48 .40
MERCURY, DISSOLVED UG/L < .10 < .10 < ,10 < .10 < .10 < .10
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 .55 .65 .43 .39 .44 .40
NITRATE NITROGEN N MG/L
' < .02 .09 .14 .22 < .02 < .02
NITRITE NITROGEM
Z] MG/L
- .O1 < .O1 < .O1 < .O1 .02 < .O1
NO3 NO2 NITROGEtY
N MG/L < .02 .08 .13 .21 .02 < .02
PH AT 25 DEG. CERT. S.U. 8.20 8.00 8.50 8.30 7.60 8.50
PHOSPHORUS, ORTHOPHOS MG/L < .O1 .02
POTASSIUM, DISSOLVED MG/L 4.00 5.00 5.00 5.00 5.00 4.00
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 55.00 60.00 53.00 57.00 58.00 62.00
SOLIDS, DISSOLVED MG/L 782.00 845.00 780.00 720.00 880.00 758.00
SOLIDS, SUSPENDED MG/L 82.00 452.00 < 2.00 1625.00 642.00 182.00
SULFATE MG/L 342.00 274.00 296.00 335.00 340.00 327.00
SULFIDE MG/L < .O1 < .10 .O1 .OS < .02 < .02
ZINC, DISSOLVED MG/L < .O1 .O1 < .O1 < .O1 .O1 .O1
BICARBONATE AS HCO3 MG/L 329.00 422.00 368.00 395.00 376.00 368.00
CARBONATE AS CO3 MG/L 0.00 0.00 17.00 0.00 0.00 12.00
PHOSPHATE AS P04 MG/L < .10 < .10 .10 .10 .10 < .10
CATION_ANION BALANCE PERCENT -.59 -.16 -1.95 .22 -.90 -.70
N
Conditions: From 1/01/80 To 12/31/93...YGAL17