REP26018

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 9/22/2006
• Doc Name: 2005 AHR Appendix E Thru H
• From: Hydro Geo Inc
• To: DRMS
• Annual Report Year: 2005
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Spring 11-2
Water Quality and Field Paremeters
~I

Mountain Coal West Elk Mine
Monitoring Location Spring 11.2 Baseline 2005 Water Year
Descri tidn Units Minimum Maximum Mean 5/2/2005 5/4/2005 9/14/2005
Field Parameters
Flow m 0.5 wet D
Electrical Conductivity µmhos/cm 579
H SU 5.25
Tem erature (°C) °C
Tem erature (°F) °F 53.7
Comment
Laborato Parameters
Name of Certified Lab
Lab Reference #
Sam le Date
Lab Test Date
Sam led B
Alkalinity (Total CaCO3) mg4
Aluminum, dissolved m /I
Anions me /I
Arsenic, dissolved m /I
Arsenic, total m A
Bicarbonate m fl
Boron, dissolved m /I
Cadmium, dissolved m /1
Calcium, total m /I
Calcium, dissolved m /l
Carbonate m A
Cation -Anion Balance m /I
Cations me /I
Chloride m /I
Conductivity µmhos/cm
Co er, dissolved m /I
Hardness m /I
H droxide m /I
Iron, dissolvetl m 11
Iron, total m /I
Lead, dissolved m /I
Ma nesium, dissolved m /I
Man anese, dissolved m /I
Man anese, total m /I
Mercu ,total m /l
Mol bdenum, dissolved m /I
Nitrate as N m /I
Nitrate/Nitrite as N m /I
Nitrite as N m A
H SU
Phos hate m /I
Phos horns Ortho ,dissolved m /I
Potassium, dissolved m /I
Selenium, total m /I
Sodium Abso tion Ratio SAR talc.
Sodium, dissolved m A
Sulfate m /I
TDS Ratio talc.
TDS Calc. m /l
TDS m ~
7SS m
Zinc, dissolved m /I
Zinc, total m A

AC2 Laborato , Steamboat S rin s, Colorado
Ne alive values denote readin s below lab detection levels
NA - not a livable NM -not measured NR -not re orted

West EIk Mine
E•14 2005 Annual Hydrology Report HytlroGeo, Inc.