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2012-12-19_REPORT - C1980005
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2012-12-19_REPORT - C1980005
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Last modified
8/24/2016 5:11:30 PM
Creation date
12/19/2012 12:58:18 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980005
IBM Index Class Name
Report
Doc Date
12/19/2012
Doc Name
2011 AHR Review
From
DRMS
To
Dennis Jones, Seneca Coal Company, LLC
Annual Report Year
2011
Permit Index Doc Type
Hydrology Report
Email Name
JDM
DIH
Media Type
D
Archive
No
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Page 6 of 6 <br />within and adjacent to <br />reclamation at the Seneca II Mine <br />the permit area <br />is the minimum that can be <br />expected from a reclaimed surface <br />mine at this location. Use of best <br />management practices indicates <br />minimization of disturbance to the <br />hydrologic balance. <br />23. Prevention of <br />CDRMS regulation <br />YES <br />Surface water — Predictions were <br />material damage to the <br />4.05.1(1) <br />made for the TDS increases to be <br />hydrologic balance <br />observed on Fish Creek during the <br />outside the permit area <br />months of June and July due to <br />discharges from the Seneca II <br />Mine. In June, an 18% increase <br />was predicted between SSF11 and <br />SSF13. In July, a 13% increase was <br />predicted between SSF11 and <br />SSF13. Based on the information <br />provided there was a 9% increase <br />in TDS in June and a 2% increase in <br />July. It appears that the run -off <br />from Seneca II has little impact on <br />Fish Creek. <br />Ground water — No material <br />damage has occurred, as discussed <br />in item 20, above. <br />24. Agreement of <br />CDRMS regulation <br />YES <br />observed hydrologic <br />2.05.6(3) and <br />No local or regional impacts were <br />impacts with "probable <br />requirement to keep <br />observed. This observation is <br />hydrologic <br />current, CDRMS <br />consistent with the PHC. <br />consequences" <br />regulation 2.03.3(1) <br />projected in mining <br />It is noted that the accidences of <br />the CDPHE selenium standard may <br />need to be included in a revised <br />PHC section of the permit. A <br />determination should be made <br />based on the NPDES Compliance <br />Schedule to meet the selenium <br />limit by December 31, 2015 <br />associated with the NPDES permit. <br />25. Adequacy of <br />CDRMS regulation <br />YES <br />ground water <br />4.05.13(1) <br />monitoring program <br />26. Adequacy of <br />CDRMS regulation <br />YES <br />surface water <br />4.05.13(2) <br />monitoring program <br />
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