REP43087

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 9/16/2004
• Doc Name: 2003 Annual Hydrology Report Appendix A Through C
• From: Hydro Geo Inc
• To: DMG
• Annual Report Year: 2003
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Upper Sylvester Gulch
Surface Water Quality and Field Parameters
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Mountain Coal West EIk Mine
Monitoring Location U. Sylvester Gulch Baseline 2003 Water Year
Descri lion Units Minimum Maximum Mean 4/10/2003 6/2/2003 9/18/2003
Field Parameters
Flow cfs 0.26 0.64 0.45 D D D
Electrical Conductivi umhos/cm 300 380 340
H SU 8.1 8.3 8.2
Tem erature oC 8.4 9.6 9
Laborato Parameters
Name of Certified Lab
Lab Reference #
Sam le Date
Lab Test Date
Sam led B
Alkalinit Total CaCO3 m /I
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 /I
Cation -Anion Balance m /I
Cations me /I
Chloride m /I
Conductivi umhos/cm
Co er, dissolved m h
Hardness m /I
H droxide m A
Iron, dissolved m /I
Iron, total m /I
Lead, dissolved m /I
Lead, total m /I
Ma nesium, dissolved m 1
Man anese, dissolved m I
Man anese, total m I
Mercu ,total m I
Mol bdenum, dissolved m /I
Nitrate as N ,dissolved m /I
Nitrate/Nitrite as N m /I
Nitrite as N ,dissolved m /I
H SU
Phos hate m /I
Phos horns Ortho ,dissolved m /I
Potassium, dissolved m /I
Selenium, total m /I
Sodium Absor 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 m /I

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

West Elk Mine
C-3 2003 Annual Hydrology Report HydioGeo, Inc.