REP14584

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

Lower Gibble Guleh
Surface Water Quality and Field Paremeters

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Mountain Coal West Elk Mine
Monitoring Location L. Gribble Guleh Baseline 2002 Water Year
Descri lion Units Minimum Maximum Mean 4/30/2002 6/17/2002 9/27/2002
Field Parameters
Flaa m 0 D D
Electrical Conductivi umhos/cm
H SU
Tem erature oC
Laborato Paremeters
Name of Certified Lab
Lab Reference #
Sam le Date
Lab Test Date
Sam led B
Alkalini Total CaC03 m /I
Aluminum, dissolved m 11
Anions me /I
Arsenic, dissolved m /I
Arsenic, total m /I
Bicarbonate m II 304 477 353
Boron, dissolved m /I
Cadmium, dissolved m /I
Calcium, dissolved m /I
Carbonate m /1
Cation -Anion Balance m /I
Cations me /I
Chloride m /I 3 5 4
Conductivi umhoslcm 1250 1250 1250
Co er, dissolved m /I
Hardness m /I 308 460 371
H droxide m /I
Iron, dissolved m /I
Iron, total m /I 0.89 0.44
Lead, dissolved m /I
Ma nesium, dissolved m /I 32 39.7 35.9
Man anese, dissolved m /I
Man anese, total m /I 0.015 0.008
Mercu ,total m /I
Mol bdenum, dissolved m /I
Nitrate/Nitrite as N m /l 0.05 0.35 0.15
H SU Z2 Z2 7.2
Phos hate m /I
Phos horns Ortho ,dissolved m 0 0.006 0.002
Potassium, dissolved m /I
Selenium, total m /I
Sodium Absor lion Ratio SAR talc. 0.86 2.5 1.5
Sodium, dissolved m /I 80 260 135
Sulfate m /I 40D 780 590
TDS Ratio talc.
TDS Calc. m /I
TDS m /I 24 60 42
TSS m /1
Zinc, dissolved m /1

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

Wes[ Elk Mine
C-12 2002 Annual Hydrology Report HydroGeo, Inc.