REP23812

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 4/25/2003
• Doc Name: 2002 AHR Appendix E Thru H
• From: Mountain Coal Company
• To: DMG
• Annual Report Year: 2002
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Spring 24.3
Water Quality and Field Parameters
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•
Mountain Coal West EIk Mine
Monitoring Location Spring 24-3 Baseline 2002 Water Year
Descri tion Units Minimum Maximum Mean 5/1/2002 6/24/2002 9/26/2002
Field Parameters
Flow m 2.6 no flow o
Electrical Conductivit umhos/cm 289 314
H SU 7.1 z1i
Tem erature oC 6.8 26.1

Comment Spring in
Raven
Gulch InsuificleM
flow to
sample
Laborato Parameters
Name of Certified Lab
Lab Reference #
Sam le Date
Lab Test Date
Sam led B
Alkalinit Total CaCO3 m fl
Aluminum, dissolved m /I
Anions me /I
Arsenic, dissolved m /I
Arsenic, total m /I
Bicarbonate m /I
Boron, dissolved m /I
Cadmium, dissolved m /I
Calcium, dissolved m /I
Carbonate m /l
Cation -Anion Balance m /I
Cations me /I
Chloride m /I
Conductivit umhos/cm
Co er, dissolved m /I
Hardness m /I
H droxide m /I
Iron, dissolved m /I
Iron, total m /I
Lead, dissolved m /I
Ma nesium, dissolved m /I
Man anese, dissolved m /I
Man anese, total !I
Mercu ,total m A
Mol bdenum, dissolved m /I
Nitrate as N ,dissolved m fl
Nitrate/Nitrite as N m A
Nitrite a5 N ,dissolved m /I
H SU
Phos hate m /I
Phos horns Onho ,dissolved m ll
Potassium, dissolved m /I
Selenium, total m /I
Sodium Absor tion Ratio SAR talc.
Sodium, dissolved m /I
Sulfate m /I
TDS Ratio talc.
TDS Calc. m fl
TDS m n
TSS m /I
Zinc, dissolved m /I

ACZ -ACZ Laborato Steamboat S rin s Colorado
' Standard is for reference ur oses onl
NA - not a livable NM -not measured NR -not re orted

West Elk Mine
E-9 2002 Annual Hydrology Report HydroGeo, Inc.