PERMFILE111213

• 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 3
• Media Type: D
• Archive: No

• Peabody Wes~i •
Paradox Hydrology System
Ground water Quality Statist ics
Sample Point: YW28 WADGE COAL
Uncensored Data Censored Data
No. of No. of

______________________________________ Obs
___________ Mean
___________ St.Dv.
_____________ Min
___________ Max
____________
____ Obs
_______ Min
___________
_____ Max
_________
Field Parameters
FIELD PH S.U. 8 7.35 7.20 8.300
TEMPERATURE C 8 10.70 2.09 8.30 13.300
CONDUCTIVITY UMHOS/CM 8 1412.50 126.91 1280.00 1620.000
Laboratory Parameters
ALK AS CAC03, PH 4.5 MG/L 8 500.37 30.82 445.00 542.000
ALUMINUM, DISSOLVED MG/L B < .OS < .OS
ARSENIC, DISSOLVED UG/L 6 2.00 .63 1.00 3.000 2 < 1.00 < 1.00
BARIUM, DISSOLVED UG/L 8 50.00 5.34 40.00 60.000
BORON, DISSOLVED UG/L 8 178.75 18.85 160.00 220.000
CADMIUM, DISSOLVED UG/L 8 < 5.00 < 5.00
CALCIUM, DISSOLVED MG/L 8 156.00 13.03 135.00 179.000
" CHIARIDE MG/L 8 16.37 7.34 10.00 30.000
i CHROMIUM, DISSOLVED UG/L 8 < 10.00 < 10.00
' CONDUCTIVITY UMS/CM2 8 1342.50 161.04 1110.00 1580.000
~ COPPER, DISSOLVED UG/L 6 < 10.00 < 10.00
v FLUORIDE MG/L 8 .23 .OS .20 .300
HARDNESS AS CAC03 MG/L 8 740.12 68.15 641.00 862.000
IRON, DISSOLVED MG/L 7 .23 .13 .03 .460 1 < .02 < .02
LEAD, DISSOLVED UG/L 8 < 20.00 < 20.00
MAGNESIUM, DISSOLVED MG/L 8 85.37 9.07 74.00 101.000
MANGANESE, DISSOLVED MG/L 8 .16 .02 .13 .200
MERCURY, DISSOLVED UG/L 4 .22 .12 .10 .400 9 < .10 < .20
MOLYBDENUM, DISSOLVED UG/L 3 2.33 1.15 1.00 3.000 5 < 1.00 < 1.00
NICKEL, DISSOLVED UG/L 8 < 20.00 < 20.00
AMMONIA NITROGEN N MG/L 8 1.58 .35 1.32 2.440
NITRATE NITROGENZ7 MG/L 4 .07 .07 .03 .180 4 < .02 < .02
NITRITE NITROGEN~7 MG/L 1 .02 .02 .020 7 < .O1 < ,O1
N03 N02 NITROGEt~N MG/L 4 .07 .07 .02 .180 4 < .02 < .02
PH AT 25 DEG. CERT. S.U. 8 7.76 7.40 8.700
PHOSPHORUS, ORTHOPHOS MG/L 1 .34 .34 .340
POTASSIUM, DISSOLVED MG/L 8 5.87 .83 5.00 7.000
SELENIUM, DISSOLVED UG/L 8 < 1.00 < 1.00
SILVER, DISSOLVED UG/L 8 < 10.00 < 10.00
SODIUM, DISSOLVED MG/L 8 64.12 15.58 43.00 86.000
SOLIDS, DISSOLVED MG/L 8 985.75 145.72 820.00 1232.000
SOLIDS, SUSPENDED MG/L 7 166.28 301.03 6.00 808.000 1 < 2.00 < 2.00
Conditions Specified: From 1/O1/80 To 12/31/93.. .WELL...WC