REP47787

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 9/13/2002
• Doc Name: 2001 AHR, Intro Thru Appendix D
• From: Mountain Coal Company
• To: DMG
• Annual Report Year: 2001
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Upper Sylvester Gulch
Surtace Water Quality and Fleld Parameters
u
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Mountain Coal West Elk Mlne
Monitodn Location U. S Ivester Gulch Baseline 20 01 Water Year
Descd tlen Units Minimum Maximum Mean M28l2001 6/24/2001 9/28/2001
Fleld Parameters
Flow cis 0.26 0.64 0.48 D D D
Electrical Conductivi - umhos/cm 300 Sao Sao
H SU a.7 9.3 a.2
Tem erBtUfe oC 8.4 9.5 9
Laborato Parameters
Name of Certified Lab
Lab Reference i<
Sam le Date
Lab Test Date
Sam led B
Alkalini otal CaCO3 m
Aluminum dissolved m
Anions me
Arsenic, dissolved m
Arsenic, total m I
Bicarbonate m
Boron, dissolved m I
Cadmium, dissolved m
Calcium, dissolved m I
Carbonate m
Cation -Anion Balance ~ m I
Cations m
Chloride m
Conductivi umhos/cm
Co er dissoNed m
Hardness m
H roxide m I
Iron dissoNed m I
Iron total m I
Lead, dissolved m I
Ma nesium, dissolved m I
Man nese, dissoNed m
Ma anese, total m
Mercu ,total m
Mo bdenum, dissolved m
Nitrete as N ,dissolved m I
Nitrate/Nitrite as N m I
Nitrite as N ,dissolved m I
H SU
Phos ate m I
Phos horns Ortho ,dissolved m I
Potassium, dissolved m I
Selenium, total m I
Sodium Abso lion Ratio SAR talc.
Sodium, dissoNed m I
Sulfate ~ - m I
TDS Rato talc.
TDS Calc. m
TDS m I
TSS m 1
Zinc, dissolved m

ACZ Labs, Steamboat S rin s, Colorado '
Standarcl is for reference u oses on
NA - not a licable NM -not measured NR -not re orted

West Elk Mine
C-3 2001 Annual Hydrology Report HydroGeo, Inc.