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-09 (1)
Water Quality and Field Parameters
r~
~_J

•
Mountain Coal West Elk Mine
Monitoring Location Spring G49 Baseline 2002 Water Year
Descri lion Units Minimum Maximum Mean 5/1/2002 6/19/2002 9/27/2002
Field Parameters
Flow
Electrical Conductivi m
umhOS/cm 3.4
3030 3.1
3150 1.9
3220
H SU 7.05 7.36 7.43
Tem stature oC 10.6 9.1 8.5
Comment
Laboreto Parameters
Name of Certified Lab AGZ
Lab Reference #
Sam le Date 6/19/2002
Lab Test Date
Sam led B GV
Alkalini Tolal CaCO3 m /I
Aluminum, dissolved m /I 0.06 0.06 0.06
Anions me /I
Arsenic, dissolved m /I
Arsenic, total m /I
Bicarbonate m /I 138 478 395
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 2 16 12
Conductivi umhos/cm 317 1800 1059 2530
Co er, dissolved m /I
Hardness m /I 81 877 584
H droxide m /I
Iron, dissolved m /I 0.02 0.08 0.05 0.08
Iron, total m / 0.01 22.6 2.57 0.17
Lead, dissolved m /I
Ma nesium, dissolved m /I 113 113 113
Man anew, dissolved m /I
Man anew, total m /I o.so2 o.o56
Mercu ,total m /I
Mol bdenum, dissolved m /I
Nitrate as N m /I
Nitrate/Nitrite as N m /I 0.35 0.22
Nitrite as N m P
H SU 7.9 8.3 8.1 7.3
Phos hate m /I
Phos horns Ortho ,dissolved m /l 0.032 O.OOa
Potassium, dissolved m /I
Selenium, total m /I
Sodium Absor lion Ratio SAR talc. 2.35 4.59 3.12
Sodium, dissolved m A
Sulfate m ll 60 906 633
TDS Ratio talc.
TDS Calc. m /I
TDS m /I 230 1720 1280 2110
TSS m /I 8 724 366 -5
Zinc, dissolved m /I

ACZ -ACZ Laborato Steamboat S tin s Colorado
' Standard is for reference u oses onl
NA - not a livable NM -not measured NR -not re orted

West EIk Mine
E-14 2002 Annual Hydrology Report HydroGeo, Inc.