REP23812

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

Spring G-22
Water duality and Field Parameters
•
C

Mountain Coal West Elk Mine
Monitoring Location Spring G-22 Baseline 2002 Water Year
De$Cri [ion Units Minimum Maximum Mean 4/24/2002 6/18/2002 9/9/2002
Field Parameters
Flow m 10 2.4 2.3
Electrical Conductivi umhos/cm 1407 1423 1442
H SU 7.a 7.ss 6.85
Tem eratllre oC 14.1 11.7 16.5
Comment
Laborato Parameters
Name of Certified Lab ACZ
Lab Reference # L37330-06
Sam le Date 6/18/2002
Lab Test Date 6/20-7/16
Sam led B Gv
Alkalini Total CaCO3 m /I
Aluminum, dissolved m /I
Anions me /I
Arsenic, dissolved m /I
Arsenic, total m A
Bicarbonate m /I 2a7 35s 332
Boron, dissolved m A
Cadmium, dissolved m /I
Calcium, dissolved m /I 64.9 64.9 64.9
Carbonate m /I
Cation -Anion Balance m /I
Cations me /I
Chloride m /I 3 18 7
Conductivit umhos/cm 633 640 637 1310
Co er, dissolved m /I
Hardness m /I 180 270 234
H droxide m /I
Iron, dissolved m /I 0.05 0.01 0.02
Iran, total m /I 0.2 0.08 0.2
Lead, dissolved m /I 0.02 0.02 0.02
Ma nesium, dissolved m /I 19 19.9 19.5
Man anese, dissolved m /I
Man anese, total m /I 0.85 0.11
Mercu ,total m /I
Mol bdenum, dissolved m /I
Nitrate as N ,dissolved m !I
Nitrate/Nitrite as N m /I 0.08 0.08 0.08
Nitrite as N ,dissolved m /I
H SU 7 7.9 7.6 7.4
Phos hate m /I
Phos horns Ortho ,dissolved m /I 0.044 0.019
Potassium, dissolved m /I
Selenium, total m /I
Sodium Absor lion Ratio SAR talc. 1.78 1.92 1.85
Sodium, dissolved /I ss.1 ss.1 6s.1
Sulfate m /I 2a 80 41
TDS Ratio talc.
TDS Calc. m /I
TDS m /I 300 516 388 850
TSS m /I 2a 5 8
Zinc, tlissolved m /I

ACZ -ACZ Labora[o 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-4 2002 Annual Hydrology Report HydroGeo, Inc.