2008-01-28_REPORT - C1981033

• Permit No: C1981033
• IBM Index Class Name: REPORT
• Doc Date: 1/28/2008
• Doc Name: 2007 Annual Hydrology Report
• From: J.E. Stover & Associates Inc
• To: DRMS
• Annual Report Year: 2007
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

• • •
Bear Coal Company -Bear No. 3 Mine
HYDROLOGY MONITORING DATA
STATION: Outflow 001
Field
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~' :..~ :~:~:.: aaDate-FrrstQuarter ''' " ""
Parameters 1/9/07 1/30/07 2/6/07 2/12/07 2/20/07 2/27/07 3/6/07 3/12107 3/19/07 03/26/07 Min Max Ave
Flow m 9.8 10.2 10.7 14.1 12.9 10.4 9.6 9.8 9.3 10.3 9.3 14.1 10.7
H units 8.5 8.6 8.4 8.6 8.4 8.5 8.5 9.0 8.5 8.6 8.4 9.0 8.6
Conductivi 25°C umhos/cm 4200 4100 4000 4100 3900 3800 4000 4100 4300 4300 3800 4300 4080
Tem erature °C 3.8 4.6 5.0 5.4 5.7 4.2 5.4 7.3 9.1 9.6 3.8 9.6 6.0
Lab
Parameters
Wet Chemist
Residue Filterable TDS 180 C m /I 3135 2972 3147 2972 3147 3085
Residue Non-Filterable SS 103FiC m /I 10 13 27 10 27 17
Metal Anal sls
Iron total recoverable m /I 0.014 0.012 2.82 0.012 2.82 0.949
Field 11D3 te - Secohd Quaftcr,.
,.
_.
Parameters 04/03/07 04/11/07 04/16!07 04/23/07 04/30/07 05/07/07 05/14/07 05/21/07 05/29/07 06/04/07 06/11/07 06/18/07 06!25/07 Min Max Ave
Flow m 10.6 11.9 12.5 11.5 9.0 10.1 9.4 8.1 6.6 6.6 5.8 5.8 9.0 5.8 12.5 9.0
H untts 8.7 8.7 8.4 8.4 8.8 8.7 8.5 8.5 8.3 8.4 8.5 8.5 8.6 8.3 8.7 8.5
Conductivi 25°C umhos/cm 4400 4500 4600 4800 4800 4900 4900 5000 5100 4900 5100 5100 5100 4400 5100 4842
Tem erature °C 10.7 9.3 11.4 10.0 13.4 12.3 14.8 13.9 13.7 13.9 13.2 15.1 17.0 9.3 15.1 12.6
Lab
Parameters
Wet Chemist
Residue Filterable TDS 180 C m /I 3258.7 3801 3806
Residue Non-Filterable SS 103SC m /I 9.3 0 36
Metal Anal sis
Iron total recoverable m /1 1.76 2.57 2.76
Field »: ;: ,:I '. 2:i i ;:9. ... .. ?SD ate .Tbicd Quarfer CI' s:
Parameters 07/03/07 07/09/07 07/16/07 07/23/07 07/30/07 08/07/07 08/13/07 08/21/07 08/27!07 09/04/07 09/10/07 09/18/07 09/25/07 Min Max Ave
Flow m 5.9 5.8 6.7 6.7 3.9 5.0 3.8 3.6 4.1 4.2 4.0 4.9 5.4 3.6 6.7 4.9
H units 8.5 8.6 8.4 8.4 8.6 8.5 8.5 9.0 8.9 8.9 8.8 8.8 8.9 8.4 9.0 8.7
Conductivi 25°C umhos/cm 5200 5300 5300 5400 5400 5200 5200 5200 5200 5200 5300 5200 5200 5200 5400 5258
Tem ereture °C 16.0 17.4 17.1 18.1 18.9 19.8 18.8 17.4 17.9 16.8 16.6 15.7 14.8 14.8 19.8 17.5
Lab
Parameters
Wet Chemist
Residue Filterable TDS 180 C m /I 3896 5206 3355 3355 5206 4551
Residue Non-Filterable SS 103SC m /I 20 17 35 17.0 20.0 18.5
Metal Anal sis
Iron, total recoverable m /I 2.396 0.79 1.16 0.79 2.40 1.59
Field ' IDa
,:. _:.
te.;F6utftt(lUarter ,
Parameters 101112007 10/812007 10116107 10/22107 10/29107 11/05/07 11/12107 11/19/07 11/26/07 12/04/07 12/10107 12/17/07 12/24/07 Min Max Ave
Flow m 4.3 4.6 4.6 4.8 5.2 4.9 5.2 5.2 5.4 5.6 5.4 5.3 5.2 4.3 5.6 5.0
H untts 9.0 9.0 8.9 9.0 9.0 8.9 8.8 8.9 8.9 8.9 9.0 9.0 8.8 8.8 9.0 8.9
Conductivi 25°C umhoslcm 4900 4800 4500 4400 4400 4400 4400 4400 4400 4400 4400 4400 4100 4100 4900 4483
Tem erature °C 14.8 13.0 9.6 6.7 8.0 5.0 5.7 3.7 2.4 1.2 3.6 4.5 5.1 1.2 14.8 6.5
Lab
Parameters
Wet Chemist
Residue Filterable TDS 180 C m /I 2973 3280 3135 2973 3280 3129
Residue Non-Filterable SS 1035C m /1 0 28 32.5 0.0 32.5 20.2
Metal Anal sls
Iron. total recoverable m /I 1.09 0.94 1.22 0.94 1.22 1.08
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