REV97032

• Permit No: C1981033
• IBM Index Class Name: Revision
• Doc Date: 9/13/2004
• Doc Name: Seep Issue Response
• From: J.E. Stover & Associates
• To: DMG
• Type & Sequence: SL3
• Media Type: D
• Archive: No

Bear Coal Company -Bear No. 3 Mine
HYDROLOGY MONITORING DATA
STATION: SPRING
Lab
Parameters Date
Wet Chemist 12A0/1997 1/13/1998 2/16/1998 3/16/1998 6/20/1998 5/18/1998 6/30/1998 7/27/1998 8/17/1998 9/21/1998 10/19/1998 11/16/1998 12/1fi/1998 Min M Ave
Alkalini as CaC03 m A
Bicarbonate as CaC03 m /I 928 1050 1140 1230 1110 1140 1110 1270 1200 1170 1130 1130 1220 928 1230 1134
Carbonate as CaC03 m A 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
H drozide as CaC03 m A o 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total Alkalini m A 928 1050 1140 1230 1110 1140 1110 1270 1200 1170 1130 1130 1220 928 1230 1134
Chloride m A 50 50 48 51 48 49 50 70 0 30 72 60 60 0 51 48
Hardness as CaC03 m A 1500 999 893 743 745 641 538 511 434 410 444 447 494 410 1500 692
Nitrate as N dissolved m A 15.0 8.7 5.3 11.7 6.0 5.6 3.0 3.1 2.7 4.6 9.90 9.9 7.6 2.7 15.0 7.13
NitrateMitrite as N dissolved m A 15.6 8.8 5.4 11.8 6.1 5.7 3.0 3.1 2.7 4.8 10.3 10.3 7.8 2.7 15.6 7.30
Nitrite as N dissolved A 0.6 0.1 0.00 0.06 0 0.05 0.0 0.0 0.0 0.2 0.6 0.33 0.2 0.0 0.6 0.15
Phos hate A 0.24 0.21 0.00 0.20 0.21 0.31 0.18 0.62 0.31 0.31 0.00 0.34 0.27 0.0 0.24 0.20
Phos horns ortho dissolved m A 0.08 0.07 0.00 0.065 0.07 0.10 0.06 0.20 0.10 0.10 0.00 0.11 0.09 0.0 0.080 0.08
Residue Flterable DS ~ 180C m A 4090 3650 3530 3350 3510 3380 3100 3220 3200 3090 3100 2990 2950 2950 4090 3351
Residue Non-Filterable SS ~ 103-5C m A 0 12 402 8b 20 30 36 58 0 10 0 0 0 0.0 402 56.5
Sodium ADSOr tan Ratio in Water m A 8.79 11.3 13.60 13.70 12.70 13.90 15.4 17.1 18.70 19.2 18.00 17.60 23.4 8.8 13.70 15
Sulfate m A 210 1650 1540 1460 1580 1380 1330 1240 1150 1150 1210 1120 1140 210 1650 1252
Metal Anel sis
Aluminum total recoverable m /I 0.20 0.55 3.2 2.84 1.3 2.05 0.62 2.21 0.67 0.70 O.fi4 0.36 0.66 0.2 3.20 1.28
Arsenic total recoverable m A 0002 0.002 0.000 0.003 0.002 0.002 0.002 0 0 0.004 0.003 0.003 0 0.0 0.003 0.002
Cadmium total recoverable m A 0 0 0 0 0 0 D 0 0 0 0 0 0 0.0 0.000 0.000
Calcium dissolved m A 264 163 160 77.9 79.5 94 77.9 264 148.9
Calctium total recoverable m /1 232 189 158 134 132 115 95.1 efi.2 73.9 73.3 72.6 78.6 72.6 232 120.0
Co er total recoverable m /1 0.00 0.02 0.00 0.00 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.020 0.00
Iron total dissolved m A 0.00 0.08 0.06 0.03 0.07 0.09 0.13 0.1fi 0.17 0.14 0.20 0.22 0.23 0.0 0.08 0.11
Iron total recoverable m A 0.21 0.55 3.26 1.84 0.89 1.36 O.fi9 2.08 0.51 0.51 0.55 0.53 0.56 0.2 3.26 1.08
Lead total recoverable A 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0 0 0.0 0.00 0.00
Ma nesium dissolved A 205 144 120.00 60.60 60.3 63 60.3 205 117.98
Ma nesium total recoverable A 193 142 116 99.3 101 86 73.1 71.9 60.7 55.2 56.3 60.5 65.5 55.2 193 92.92
Man anew d'ssoNed m A 0.9 1.03 0.89 0.82 0.82 1.17 1.03 0.88 0.90 0.76 0.86 0.81 0.73 0.7 1.0 0.91
Man anew total recoverable m d 0.71 1.07 0.93 0.84 0.95 1.04 1.03 0.87 0.85 0.88 0.81 0.83 0.79 0.7 1.07 0.90
Mercu total recoverable m A 0.0002 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0002 0.0000
Mo bdenum total recoverable m A 0.00 0.00 0.00 0.00 0.00 0.000 0.000 0.000 0.000 0.000 0.00 0.00 0.00 0.00 0.00 0.00
Selenium total recoverable m /I 0.003 0.002 0.002 0.00 0.002 0.001 0.005 0.002 0.001 0.002 0.003 0.002 0.002 0.00 0.00 0.00
Sodium tlissolved m A 774 809 923 774.0 923 835
Sodium total recoverable m A 767 783 827 849 786 798 809 880 883 884 831 843 870 767.0 849.0 828
Zinc total recoverable m /I 0.00 0.06 0.00 0.05 0.07 0.05 0.03 0.03 0.04 0.03 0.03 0 0.03 0.0 0.06 0.03