2010-06-30_REPORT - C1980007 ‎(7)‎

• Permit No: C1980007
• IBM Index Class Name: REPORT
• Doc Date: 6/30/2010
• Doc Name: 2009 AHR Appendix E Thru I
• From: HydroGeo, Inc
• To: DRMS
• Annual Report Year: 2009
• Permit Index Doc Type: Hydrology Report
• Email Name: TAK
• Media Type: D
• Archive: No

Spring 10-1
Water Quality and Field Parameters
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Mountain Coal West Elk Mine
Monitoring Location Spring 10-1 Baseline' 2009 Water Year
Description Units Minimum Maximum Mean 5/7/2009 5/24/2009 Qa 8/10/2009
Field Parameters
Flow m 17.8 20.0 12.2
Electrical Conductivity mhos/cm 1696 1680 1781
H SU 8.26 8.24 8.17
Temerature °C °C 9.5 10.5 10.6
Comment
Laboratory Parameters'
Name of Certified Labe ACZ
Lab Reference # L76064-07
Sample Date 5/24/2009
Lab Test Date 5/29-6/5
Sampled B PH
Alkalinity (Total CaC03) mg/I
Aluminum, dissolved m /I
Anions me /1
Arsenic, dissolved m /I
Arsenic, total m /I
Bicarbonate m /I
Boron, dissolved m /I
Cadmium, dissolved Mg/1
Calcium, total m /I
Calcium, dissolved m /I
Carbonate m /I
Cation - Anion Balance m /I
Cations me /I
Chloride m /I
Conductivity mhos/cm 1680
Copper, dissolved m /I
Hardness m /I
Hydroxide m /I
Iron, dissolved m /I -0.02 U
Iron, total m /I 0.44
Lead, dissolved m /I
Magnesium, dissolved m /I
Manganese, dissolved m /I
Manganese, total m /I
Mercury, total m /I
Molybdenum, dissolved m /I
Nitrate as N m /I
Nitrate/Nitrite as N m /I
Nitrite as N m /I
H SU 8.7 H
Phosphate mg/1
Phosphorus Ortho , dissolved m /I
Potassium, dissolved m /I
Selenium, total m /I
Sodium Absorption Ratio SAR calc.
Sodium, dissolved m /I
Sulfate m /I
TDS Ratio calc.
TDS Calc. m /I
TDS m /I 10601 1
TSS m /I 15 B
Zinc, dissolved m /I
Zinc, total mg/I
' Baseline pre -2000 data, adapted from WWE (2001)
2 ACZ Laboratory, Steamboat Springs, CO
3 Negative values denote readings below lab detection levels.
4 ACZ Lab Qualifiers: U - Analyte was analyzed for but not detected at the indicated MDL.
H - Holding time exceeded; pH is a field test with an immediate hold time.
B - Analyte conc detected at a value bet method detection limit (MDL) and practical quantitation limit (PQL).
West Elk Mine
E-15 2009 Annual Hydrology Report HydroGeo, Inc.