REP14584

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

Lower Dry Fork
Surface Water Quality and Field Parameters
•
C~
I
Monitoring Location L. Dry Fork Flume Baseline 2002 Water Year
Descri lion Units Minimum Maximum Mean 4/25/2002 6/17/2002 9/10/2002
Field Parameters
FIOw cfs D D D
Electrical Conductivi umhos/cm
H SU
Tem erature oC
Comment
Laboreto Parameters
Name of Certified Lab
Lab Reference #
Sam le Date
Lab Test Date
Sam led B
Alkalinit otal CaCO3 m /I
Aluminum, dissolved m /I
Anions me /I
Arsenic, dissolved m /I
Arsenic, total m /I
Bicarbonate m /I 118 324 220
Boron, dissolved m /I
Cadmium, dissolved m /I
Calcium, dissolved m /I 87.9 87.9 87.9
Carbonate m A
Cation -Anion Balance m /I
Cations me /I
Chloride m /I 8.4 4.2
Conductivi umhos/cm 207 1920 755
Co er, dissolved m /I
Hardness m /I 125 726 360
H droxide m /I
Iron, dissolved m /I 0.178 0.049
Iron, total m ll 0.02 84 5.6
Lead, dissolved m /I
Ma nesium, dissolved m /I 9.8 as 29
Man anese, dissolved m /I 0.008 0.013 0.011
Man anese, total m /I 46.4 1.4
Mercu ,total m /I
Mol bdenum, dissolved m /I
Nitrate as N ,dissolved m /I
Nitrate/Nitrite as N m /I 0.1 0.3 0.2
Nitrite as N ,dissolved m /I
H SU 6.9 9.00 s.2
Phos hate m /I
Phos horns Ortho ,dissolved m /I 0.763 0.048
Potassium, dissolved m /I
Selenium, total m /l
Sodium Absor lion Ratio SAR talc. 0.71 1.48 1.11
Sodium, dissolved m /I s9 69 69
Sulfate m /I 35 613 249
TDS Ratio talc.
TDS Calc. m /I
TDS m /I 158 1388 581
TSS m /1 1.2 1096 144
Zinc, dissolved m /I

ACZ Labs, Steamboat S do s, Colorado
' Standard is for reference ur oses onl
NA - not a livable NM -not measured NR -not re orted

West Elk Mine
C-8 2002 Annual Hydrology Report HydroGeo, /nc.