2009-07-01_REPORT - C1980007 ‎(8)‎

• Permit No: C1980007
• IBM Index Class Name: REPORT
• Doc Date: 7/1/2009
• Doc Name: 2008 AHR Appendix E, F, G, H, and I
• From: HydroGeo, Inc
• To: DRMS
• Annual Report Year: 2008
• Permit Index Doc Type: Hydrology Report
• Email Name: TAK
• Media Type: D
• Archive: No

Spring G-1A
Water Quality and Field Parameters
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Mountain Coal West Elk Mine
Monitoring Location Spring G-1A Baseline' 2008 Water Year
Description Units Minimum Maximum Mean 5/9/2008 6/6/2008 8/23/2008
Field Parameters
Flow m Dry Dry D
Electrical Conductivity pmhos/cm
pH SU
Temperature (°F) OF
Temperature (°C) °C
Comment
Laboratory Parameters'
Name of Certified Lab
Lab Reference #
Sample Date
Lab Test Date
Sampled B
Alkalinity (Total CaC03) mg/I
Aluminum, dissolved m /I
Anions me /I
Arsenic, dissolved m /I
Arsenic, total m /I
Bicarbonate m /I 288 501 342
Boron, dissolved m /I
Cadmium, dissolved m /I
Calcium, dissolved m /I 69.4 69.4 69.4
Carbonate m /I
Cation - Anion Balance m /I
Cations me /I
Chloride m /I 4 17 8
Conductivity pmhos/cm 570 672 621
Copper, dissolved m /I
Hardness m /l 266 271 269
Hydroxide m /I
Iron, dissolved m /I
Iron, total m /I 1.18 0.2
Lead, dissolved m /I
Magnesium, dissolved m /I 23.7 25.9 24.8
Manganese, dissolved m /I 0.005 0.005 0.005
Manganese, total m /I 0.03 0.004
Mercury, total m /I
Molybdenum, dissolved m /I
Nitrate as N m /I
Nitrate/Nitrite as N m /I 0.23 0.08
Nitrite as N m /I
H SU 7.9 8.5 8.17
Phosphate m /I
Phosphorus Ortho , dissolved m /I 0.04 0.01
Potassium, dissolved m /I
Selenium, total m /I
Sodium Absorption Ratio SAR calc. 1.22 1.61 1.37
Sodium, dissolved m /I 50.4 50.4 50.4
Sulfate m /I 40 207 83
TDS Ratio calc.
TDS Calc. m /I
TDS m /I 312 550 396
TSS m /I 66 10
Zinc, dissolved mg/I
' Baseline pre -2000 data, adapted from WWE (2001)
2 Enviro-Chem Analytical, Grand Junction, CO
West Elk Mine
E-18 2008 Annual Hydrology Report HydroGeo, Inc.