2009-02-26_REPORT - C1982057 ‎(12)‎

• Permit No: C1982057
• IBM Index Class Name: REPORT
• Doc Date: 2/26/2009
• Doc Name: 2008 AHR Appendix D
• From: Seneca Coal Company
• To: DRMS
• Annual Report Year: 2008
• Permit Index Doc Type: Hydrology Report
• Email Name: DTM
• Media Type: D
• Archive: No

Seneca Mine
Paradox Hydrology System
Water Quality Report
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Site : WHAL6-2 GW-S2W-6A2
Loc: -37596.91 -29540.45
Elev: 6852.26
5/3/2007 10/10/2007 5/28/2008 9/17/2008
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Field Ph S.U. 7.180 7.140 7.300 7.310
Temperature C 8.600 8.800 8.900 11.200
Field Conductivity UMHOS/CM 1,730.000 1,720.000 1,150.000 760.000

Alk As CaCO3, Ph 4.5 MG/L 483.000 318.000 328.000 313.000
Alk, Bicarb As CaCO3 MG/L 483.000 318.000 328.000 313.000
Alk, Carb As CaCO3 MG/L < 2.000 < 2.000 < 2.000 < 2.000
Alk, Hydrox As CaCO3 MG/L < 2.000 < 2.000 < 2.000 < 2.000
Aluminum, Dissolved MG/L < 0.030 < 0.030 B 0.130 < 0.030
Arsenic, Dissolved UG/L B 0.600 1.900 B 0.500 < 0.500
Boron, Dissolved UG/L 60.000 B 40.000 60.000 B 40.000
Cadmium, Dissolved UG/L < 5.000 < 5.000 < 5.000 < 5.000
Calcium, Dissolved MG/L 215.000 44.600 140.000 65.100
Chloride MG/L 18.000 B 2.000 10.000 B 3.000
Chromium, Dissolved UG/L < 10.000 < 10.000 < 10.000 < 10.000
Conductivity U MS/CM2 1,770.000 655.000 1,160.000 718.000
Copper, Dissolved UG/L < 10.000 < 10.000 < 10.000 < 10.000
Fluoride MG/L B 0.100 B 0.200 B 0.200 B 0.200
Hardness As CaCO3 MG/L 946.000 205.000 602.000 301.000
Iron, Dissolved MG/L 0.260 1.480 0.210 0.290
Lead, Dissolved UG/L < 40.000 < 40.000 < 40.000 < 40.000
Magnesium, Dissolved MG/L 99.400 22.800 61.200 33.600
Manganese, Dissolved MG/L 0.140 0.085 0.123 0.166
Mercury, Dissolved UG/L < 0.200 < 0.200 < 0.200 < 0.200
Nickel, Dissolved UG/L < 10.000 < 10.000 < 10.000 < 10.000
Nitrate Nitrogen_N MG/L 0.100 0.100 B 0.040 B 0.030
Nitrite Nitrogen_N MG/L < 0.010 < 0.010 < 0.010 < 0.010
Nitrate/Nitrite Nitrogen_N MG/L B 0.100 0.100 B 0.040 B 0.030
Ph At 25 Deg. Cent. S.U. 8.000 8.100 8.100 8.200
Potassium, Dissolved MG/L 3.900 3.200 3.500 3.300
Selenium, Dissolved UG/L < 0.100 < 0.100 B 0.200 B 0.100
Sodium, Dissolved MG/L 59.800 79.300 47.600 78.900
Solids, Dissolved MG/L 1,300.000 400.000 780.000 460.000
Solids, Suspended MG/L B 10.000 28.000 53.000 116.000
Sulfate MG/L 550.000 60.000 310.000 90.000
Sulfide MG/L B 0.030 < 0.020 < 0.020 < 0.020
Zinc, Dissolved MG/L < 0.010 < 0.010 < 0.010 < 0.010
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