2008-06-27_REPORT - C1980007 ‎(6)‎

• Permit No: C1980007
• IBM Index Class Name: REPORT
• Doc Date: 6/27/2008
• Doc Name: 2007 AHR Appendix D thru F
• From: HydroGeo, Inc
• To: DRMS
• Annual Report Year: 2007
• Permit Index Doc Type: Hydrology Report
• Email Name: TAK
• Media Type: D
• Archive: No

Spring 24-3
Water Quality and Field Parameters
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Mountain Coal West Elk Mine
Monitoring Location Spring 24-3 Baseline' 2007 Water Year
Description Units Minimum Maximum Mean 4/26/2007 5/23/2007 Q° 8/24/2007
Field Parameters
Flow m 3.75 5.56 Dam
Electrical Conductivity umhos/cm 259 474
H SU 7.45 8.18
Temperature °F OF 44.2 41.0
Temperature OC 5.0
Comment No FWQ
Laboratory ParameterS3
Name of Certified Labe ACZ
Lab Reference # L62831-01
Sample Date 5/23/2007
Lab Test Date 5129-6/8
Sampled B
Alkalinity Total CaC03 m /I
Aluminum, dissolved m /I
Anions me /I
Arsenic, dissolved m /I
Arsenic, total m /I
Bicarbonate m /I
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
Conductivity umhos/cm 444
Copper, dissolved m /I
Hardness m /I
Hydroxide m /I
Iron, dissolved m /I 0.09
Iron, total m /I 4.76
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), dissolved m /I
Nitrate/Nitrite as N m /I
Nitrite as N), dissolved m /I
H SU 8.1 H
Phosphate m /I
Phosphorus Ortho , dissolved m /I
Potassium, dissolved m /I
Selenium, total m /I
Sodium Absorption Ratio SAR talc.
Sodium, dissolved m /I
Sulfate m /I
TDS Ratio calc.
TDS Calc. m /I
TDS m /I 270
TSS m /I 304 H
Zinc, dissolved 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
° 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.
113 - Analyte conc detected at a value bet method detection limit (MDL) and practical quantitation limit (PQL).
E-1
West Elk Mine
2007 Annual Hydrology Report HydroGeo, Inc.