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-1A
Water Quality and Field Parameters
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Mountain Coal West Elk Mine
Monitoring Location Spring G-1A Baseline 2003 Water Year
Descri lion Units Minimum Maximum Mean 4/10/2003 6/2/2003 9/18/2003
Field Parameters
Flow m Wet Damp D
Electrical Conductivi umhos/cm 1520
H SU 7.53
Tem erature oC 47.3
Comment
Laborato Paremeters
Name of Certified Lab
Lab Reference #
Sam le Date
Lab Test Date
Sam led B
Alkalini Total CaCO3 m /I
Aluminum, dissolved m /I
Anions me /I
Arsenic, dissolved m /I
Arsenic, total m /I
Bicarbonate !I 288 501 342
Boron, dissolved m /I
Cadmium, dissolved m /I
Calcium, dissolved m /I 69.4 69.4 69.4
Carbonate m /I
Calion -Anion Balance m /I
Cations me /I
Chloride m /I 4 17 8
Conductivi umhos/cm 570 672 621
Co er, dissolved m A
Hardness m fl 266 271 269
H droxide m 11
Iron, dissolved m /I
Iron, total m /I 1.18 0.2
Lead, dissolved m /I
Ma nesium, dissolved m /I 23.7 25.9 24.8
Man anese, dissolved m /I 0.005 0.005 0.005
Man anese, total m /I 0.03 0.004
Mercu ,total m /I
Mol bdenum, dissolved m /I
Nitrate as N m /I
Nitrate/Nitrite as N m A 0.23 0.08
Nitrite as N m 11
H SU 7.9 8.5 8.17
Phos hate m /I
Phos horns Ortho ,dissolved m /I 0.04 0.01
Potassium, dissolved m /I
Selenium, total m /I
Sodium Absor tion Ratio SAR talc. 1.22 1.61 1.37
Sodium, dissolved m /I 50.4 50.4 50.4
Sulfate m /I 40 207 83
TDS Ratio talc.
TDS Calc. m /I
TDS m 11 312 550 396
TSS m /I 66 10
Zinc, dissolved 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-11 2003 Annual Hydrology Report HydroGeo, inc.