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 G-25
Water Quality and Field Parameters
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Mountain Coal West Elk Mine
Monitoring Location Spring G-25 Baseline' 2007 Water Year
Description Units Minimum Maximum Mean 4/27/2007 5/24/2007 Q ° 8/23/2007
Field Parameters
Flow m 13.36 13.0 1.92
Electrical Conductivity µmhos/cm 1883 1819 1961
H SU 7.19 7.17 7.20
Temperature (°F) OF 45.7 45.9 50.0
Temperature (°C) °C 7.6 7.7 10.0
Comment
Laboratory Parameters'
Name of Certified Lab ACZ
Lab Reference # L62830-04
Sample Date 5/24/2007
Lab Test Date 5/30-6/8
Sampled B
Alkalinity (Total CaCO3) mg/I
Aluminum, dissolved m /I
Anions me /I
Arsenic, dissolved m /I
Arsenic, total m /I
Bicarbonate m /l 224 828 573
Boron, dissolved m /I
Cadmium, dissolved m /I
Calcium, total m /I
Calcium, dissolved m /I
Carbonate m /I
Cation - Anion Balance m /I
Cations me /I
Chloride m /I 2 20 6
Conductivity µmhos/cm 777 1320 1134 1830
Copper, dissolved m /I
Hardness m /I 219 1379 514
Hydroxide m /I
Iron, dissolved m /I 0.135 0.022 -0.02 U
Iron, total m /I 0.99 0.09 -0.02 U
Lead, dissolved m /I 0.02 0.02 0.02
Magnesium, dissolved m /I 70.9 70.9 70.9
Manganese, dissolved m /I
Manganese, total m /I 0.01 0.002
Mercury, total m /I
Molybdenum, dissolved m /I
Nitrate as N m /I
Nitrate/Nitrite as N m /I 0.19 1.22 0.4
Nitrite as N m /I
H SU 6.85 8.5 7.44 8.2 H
Phosphate m /I
Phosphorus Ortho , dissolved m /I 1.55 0.09
Potassium, dissolved m /I
Selenium, dissolved m /I
Selenium, total m /I
Sodium Absorption Ratio SAR calc. 0.49 3.8 2.2
Sodium, dissolved m /I
Sulfate m /I 88 325 242
TDS Ratio calc.
TDS Calc. m /I
TDS m /I 336 1170 843 1190
TSS m /I 26 7 6 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
° 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
West Elk Mine
E-25 2007 Annual Hydrology Report HydroGeo, Inc.