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 Minnesota Creek (USES)
Surface Water Quality and Field Parameters
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Mountain Coal West Elk Mine
Monitoring Location U. Minnesota Ck (USES) Baseline 2003 Water Year
Descri tion Units Minimum Maximum Mean 4112/2003 6/3/2003 9/18/2003
Field Parameters
Flow cfs 0.79 Flood 0.29
Electrical Conductivi Umh05/Cm 575 196 375
H SU 7.46 7.97 8.37
Tem erature oC 38 53.4 54.2
Comment
Laborato Parameters
Name of Certified Lab ACZ
Lab Reference # L41507-07
Sam le Date 6/3/2003
Lab Test Date s/s-s/17
Sam led B
Alkalini Total CaCO3 m /I
Aluminum, dissolved m /I
Anions me /I
Arsenic, dissolved m /I
Arsenic, total m /I
Bicarbonate m A
Boron, dissolved m /I
Cadmium, dissolved m /I
Calcium, dissolved m A
Carbonate m A
Cation -Anion Balance m /I
Cations me /I
Chloride m A
Conductivi umhos/cm 15z
Co er, dissolved m /I
Hardness m /I
H droxide m /I
Iron, dissolved m 11 0.71
Iron, total m /I 1.72
Lead, dissolved m /I
Ma nesium, dissolved m /I
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 e
Phos hate m /I
Phos horns Ortho ,dissolved m /I
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 11
TDS m A 90
TSS m /I 23a
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 rted

West EIk Mine
C-7 2003 Annual Hydrology Report HydroGeo, /nc.