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2008-05-06_REPORT - C1994082
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2008-05-06_REPORT - C1994082
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Last modified
8/24/2016 3:29:16 PM
Creation date
5/6/2008 2:34:39 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1994082
IBM Index Class Name
REPORT
Doc Date
5/6/2008
Doc Name
2007 Annual Hydrology Report
From
Seneca Coal Company
To
DRMS
Annual Report Year
2007
Permit Index Doc Type
Hydrology Report
Email Name
DTM
Media Type
D
Archive
No
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• <br />- Site YSGF5. This site exists on Grassy Creek below the NPDESII pond. <br />A statistical summary of baseline chemistry data is provided in Appendix <br />D1. Its TDS plot indicates an increasing trend, but with the peak value <br />occurring in 2002. <br />- Site YSG5. This site exists on Grassy Creek below all discharges from <br />both the Yoast and Seneca II Mines. It became part of the required <br />monitoring program in October 1995. TDS values here are affected more by <br />the Seneca II Mine than the Yoast Mine. TDS values exhibit an increasing <br />trend) . <br />Springs <br />- Spoil Spring 1 (YSSPGI). This spoil spring was discovered in <br />September 2002. It is located just above the old haul road culvert <br />crossing Annand Draw. Its TDS plot recently displays a decreasing trend. <br />- Spoil Spring 2 (YSSPG2). This spoil spring was discovered in May 2005 <br />below Stock Pond O11A (i.e., above NPDES Pond 011). It is normally dry <br />in the fall. Only three samples have been collected so far. <br />- Spoil Spring 3 (YSSPG3). This spoil spring was discovered in <br />September 2005 above NPDES Pond 012. Only four samples have been <br />collected so far. <br />- Spoil Spring 4 (YSSPG4) This spoil spring was discovered in June <br />2006, in the main channel that feeds NPDES Pond 012. It is located to <br />the north of Spoil Spring 3. Only three samples have been collected so <br />far. <br />Comparison of Surface Water Quality to water Use Standards. SCC has <br />compiled a list of surface water standards for agricultural uses (Table <br />9) This list is composed of CDPHE surface water agricultural use <br />standards (CDPHE, Reg.31, December 2005). <br />11 <br />
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