REP08730

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 8/25/2005
• Doc Name: 2004 AHR Appendix F Thru H
• From: HydroGeo Inc
• To: DMG
• Annual Report Year: 2004
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Well GP-3
Water Quality and Field Parameters
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Mountain Coal West EIk Mine
Monitorin Location Well GP-3 Baaellne 2004 Water Year
Descri lion Unils Minimum Ma>amum Mean 4/25/2004 5/27f2004 9/5/2004
Field Parametere
Water Level De th feet D D D
Electrical Conductivity µmhoslcm
H SU
Tem erature °C
Comment
Laborato Parameters
Name of Certified Lab
Lab Reference #
Sam le Date
Lab Test Date
Sam led 8
Alkalinity (Total CaCO') mg/I
Aluminum, dissolved m /I
Anions m A
Arsenic, total m /I
Bicarbonate m /I
Boron, dissolved m /I
Cadmium, dissolved m 1
Calcium, dissolved m 11
Carbonate m I
Cation -Anion Balance m 1
Cations me /I
Chloride m /1
Conductivity µmhos/cm
Ca er, dissolved m /I
Hardness m /I
H droxide m /I
Iron, dissolved m /I
Iron, total m /I
Lead, dissolved m /1
Ma nesium, dissolved m /I
Man anese, dissolved m /I
Man anese, total m 11
Mercu ,total m /I
Mol bdenum, dissolved m /I
Nitrate/Nitrite as N m 11
H SU
Phos hate m 11
Phos horns Ortho ,dissolved m 11
Potassium, dissolved m 1
Selenium, total m /I
Sodium Abso lion Ratio SAR talc.
Sodium, dissolved m /I
Sulfate m /I
TDS Ratio talc.
TDS Calc. m /I
TDS m /I
TSS m /I
Zinc, dissolved mg/I

ACZ Labs, Steamboat 5 tin s, Colorado
Ne alive values denote readin s below lab detection levels
NA - not a licable NM -not measured NR -not re orted

West Elk Mine
G-1 2004 Annual Hydrology Report HydroGeo, Inc.