REP08333

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

Spring G-30 (17)
Water Quality and Field Parameters
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Mountain Coal West Elk Mine
Monitoring Location Spring G-30 Baseline 2003 Water Year
Descri lion Units Minimum Maximum Mean 4/13/2003 6/2/2002 9/23/2003
Field Parameters
Flow m D Damp D
Electrical Conductivi umhos/cm
H SU
Tem erature oC
Comment
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 11
Arsenic, dissolved m /I
Arsenic, total m /I
Bicarbonate m /I 323 494 400
Boron, dissolved /I
Cadmium, dissolved m /I
Calcium, total m /I
Calcium, dissolved m /I
Carbonate m /I
Cation -Anion Balance m /I
Cations me /I
Chloride m /I 3 8 4.3
Conductivi umhos/cm 696 885 805
Co er, dissolved m /I
Hardness m /I 336 453 390
H droxide m /I
Iron, dissolved m /I 0.14 0
Iron, total m /I 2.02 0.9
Lead, dissolved m A
Ma nesium, dissolved m I 44.5 44.5 44.5
Man anese, dissolved m /I
Man anese, total m /I 0.017 0.135 0
Mercu ,total m /I
Mol bdenum, dissolved m /I
Nitrate as N m /I
Nitrate/Nitrite as N mil 0.07 0.34 0.18
Nitrite as N m /I
H SU 7.95 8.1 8.02
Phos hate m /I
Phos horns Oriho ,dissolved m /I 0.184 0.03
Potassium, dissolved m /I
Selenium, total m /I
Sodium Absor lion Ratio SAR talc. 0.51 0.7 o.s
Sodium, dissolved !I
Sulfate m A 30 91 68
TDS Ratio talc.
TDS Calc. m /I
TDS m !I 412 520 465
TSS m /I
Zinc, dissolved m /I
Zinc, total 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-20 2003 Annual Hydrology Report HydroGeo, Inc.