HYDRO28679

• Permit No: C1981033
• IBM Index Class Name: Hydrology
• Doc Date: 9/13/2004
• Doc Name: Seep Issue Response
• From: J.E. Stover & Associates
• To: DMG
• Permit Index Doc Type: Correspondence
• Media Type: D
• Archive: No

Bear Coal Company -Bear No. 3 Mine
HYDROLOGY MONITORING DATA
STATION: AA-1
Leb Date
Parameters 1987 1988 1989 1990 1992 1993 1994 1995 Min Max Ave
Wet Chemist
Alkalinit as CaC03 m A
Bicarbonate as CaC03 m /I 569 482 860 1067 898 775 905 935 482 1067 811
Carbonate as CaC03 m A 0 0 0 0 0 0 0 0 0 0 0
H droxide as CaC03 m ~l 0 24 0 0 0 24 6
Total Alkalinit m /I 569 482 884 1067 898 775 905 935 482 1067 814
Chloride m /I 23 14 24 26 27 25 32 28 14 32 25
Hardness as CaC03 m /I 615 728 921 697 842 711 590 590 921 729
Nitrate as N dissolved m /I 0.02 4.06 1.88 1.04 D.92 0.03 0.48 0.0 4 1
Nitrate/Nitrile as N dissolved m /I 0.02 4.1 1.88 1.04 0.93 0.03 0.54 0.0 4 1
Nitrite as N dissolved m /I 0.01 0.04 0.01 0.01 0.01 0 0.06 0.0 0 0
Phos hate m /I
Phos horns ortho dissolved m ~ 0.02 0.01 0.005 0.01 0.013 0.045 0 0.719 0.0 1 0
Residue, Filterable DS ®180 C m 1691 888 2800 2714 2654 2504 2750 2890 888 2890 2361
Residue Non-Filterable TSS C~ 103-SC m /I
Sodium Absor lion Ratio in Water m ~l 6.46 4.85 10.37 8.60 10.65 9.25 10.6 13.4 4.9 13 9
Sulfate m /I 862 286 1266 1161 1191 1356 1400 1370 286 1400 1112
Metal Anel sis
Aluminum, total recoverable m /I 1.98 0.33 0.66 0.12 2.78 0.05 5.2 0.74 0.05 5.20 1.48
Arsenic, total recoverable m /I 0.001 0.001 0.001 0.001 0.001 0.001 0 0 0.000 0.001 0.001
Cadmium, total recoverable m A 0.006 0.005 0.005 0.01 0.005 0 0 0.000 0.010 0.004
Calcium dissolved m /I 172 104 119 152 100 140 84.7 85 172 125
Calcium, total recoverable m ~
Co er total recoverable m A 0.01 0.01 0.01 0.02 0.01 0.01 0 0.04 0.000 0.040 0.014
Iron, total dissolved m /I 0.02 0.0 0 0
Iron, total recoverable m A 5.9 1.91 0.86 0.96 2.87 13.3 14.0 2.19 0.860 14.0 5.249
Lead total recoverable m /I 0.02 0.02 0.02 0.02 0.02 0.02 0 0 0.00 0.02 0.02
Ma nesium dissolved m A 45 21 105 132 120 100 92 21 132 88
Ma nesium, total recoverable m ~
Man anese dissolved m /I 0.01 0.0 0 0
Man anese total recoverable m A 2.11 1.12 0.18 0.25 3.93 3.8 0.256 0.18 3.93 1.66
Mercu total recoverable m A 0.0002 0.0001 0.0001 0.0001 0.0002 0.0002 0.0000 0.0000 0.0000 0.0002 0.00
Mol bdenum, total recoverable m /I 0.05 0.05 0.05 0.05 0.05 0.01 0.00 0.00 0.00 0.05 0.03
Selenium total recoverable m A 0.001 0.001 0.003 0.002 0.005 0,001 0.002 0.001 0.00 0.01 0.00
Sodium, dissolved m /I 364 205 636 593 639 610 640 737 205.0 737 553
Sodium total recoverable m /I
Zinc total recoverable m A 0.05 0.01 0.03 0.02 1.55 0.01 0.02 0.05 0.01 1.55 0.22