REP48339

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 9/13/2002
• Doc Name: 2001 AHR, Appendx E Thru Appendix H
• From: Mountain Coal Company
• To: DMG
• Annual Report Year: 2001
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Spring G-25 (15)
Water Duality and Field Parameters

i~
Mountain Coal West Elk Mine
Monitorin Location Sprin G-25 Baseline 2001 Water Year
Descri tiun Units Minimum Maximum Mean 4/27/2001 6/26/2001 9/28/2001
Field Parameters
FlOW m 4.69 2.19 0.86
Electrical Conductivi umhos/cm 1450 1460 1480
H SU 7.4 7.5 7.4
Tem erature oC 8.1 8.4 B.5
Comment
Laborato Parameters
Name of Certified Lab - ACZ
Lab Reference # L32685-02
Sam le Date 6126!2001
Lab Tast Date 6129-7/12
Sam led B R.H.
Alkalini Total CaCO3 m
Aluminum, dissolved m
Anions me
Arsenic, dissolved m
Arsenic, total m
Bicarbonate m I 224 828 573
Boron, dissolved m I
Cadmium, dissolved m
Calcium, total m
Calcium, dissolved m
Carbonate m
Cation -Anion Balance m I
Cations me I
Chloride m 2 20 6
Conductivi Umh05/Cm 777 1320 1134 1530
Co er, dissolved m
Hardness m 219 1379 51a
H droxide m 1
Iron, dissolved m 1 o.13s 0.022 -0.01
Iron, total m 0.99 0.09 -0.01
Lead, dissolved m 0.02 0.02 0.02
Ma nesium, dissolved m 70.9 70.9 70.9
Man anese, dissolved m
Man anese, total m I 0.01 0.002
Mercu ,total m I
Mol bdenum, dissolved m
Nitrate as N m
Nitrate/Nitrite as N m 0.19 1.22 0.4
Nitrite as N m
H SU 6.85 8.5 7.44 7.5
Phos hate m
Phos horns Ortho ,dissolved m 1 1.55 o.as
Potassium, dissolved m I
Selenium, total m
Sodium Absor lion Ratio SAR talc. 0.49 3.8 2.2
Sodium, dissolved m
Sulfate m 88 325 242
TDS Ratio talc.
TDS Calc. m
TDS m I 336 1170 843 996
TSS m I 26 7 -5
Zinc, dissolved m
Zinc, total m

AAL. Inc -American Assa Laboratories, I nc., S arks, Nevada
Standard is for reference ur oses onl
NA - not a licable NM -not measured NR -not re orted

West Elk Mine
E-20 2001 Annual Hydrology Report HydroGeo, Inc-