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2008-05-06_REPORT - C1980005
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2008-05-06_REPORT - C1980005
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Last modified
8/24/2016 3:29:16 PM
Creation date
5/6/2008 2:23:16 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980005
IBM Index Class Name
REPORT
Doc Date
5/6/2008
Doc Name
2007 Annual Hydrology Report TOC & Intro
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 />Introduction <br />The information assembled in this 2007 Annual Hydrology Report (AHR) <br />includes data collected from approved monitoring sites established at <br />Seneca Coal Company's (SCC) Seneca II Mine (State Permit No. C-80-005). <br />Locations of monitoring sites discussed in this report can be found by <br />referring to Exhibit 7-2, Hydrology Monitoring Site Location Map, which <br />may be found in the Seneca II Permit Application Package (PAP). In <br />addition, NPDES ponds, surface water sites and spoil springs are located <br />in Figures 1 and 2, Appendix A. All references to 2007, or to "this <br />year", will be for Water Year 2007 (October 1, 2006 through September <br />30, 2007) unless otherwise noted. All tables referred to in the <br />following text can be found in Appendix A. In addition, a table of <br />contents for Appendix A is given at the beginning of that appendix. The <br />last of the coal at this mine was removed in August 1999. <br />. Field conductivity and pH meters are calibrated prior to each day's use. <br />The conductivity meter is calibrated using a potassium chloride solution <br />with an electrical conductivity in the 1000 to 3000 umhos/cm range. The <br />pH meter is calibrated using NBS traceable buffers with pH values of 7 <br />and 10. Prior to October 1, 1989, all field conductivity values <br />collected at Seneca II monitoring sites were not corrected for <br />temperature (i.e., 25° C). Field conductivity data starting on October <br />1, 1989 were temperature corrected to 25° C. The formula for correcting <br />non-corrected conductivity data may be found in the 1990 through 1992 <br />AHRs. <br />• <br />SCC instituted in 1995 a new monitoring site numbering system f;:~-r its <br />new ParadoxT"' water quality database. This new system is detailed in <br />Table A. For convenience sake, this table has been placed at the end of <br />the Table of Contents (see previous page). In addition, Table 3, <br />Summary of Ground Water Monitoring Wells; Table 9, Summary of Surface <br />Water Monitoring Sites; and the Table of Contents of Appendices B <br />through E have all been revised to correlate the old site (and map) name <br />to the new (Paradox) computer name. The new computer name will be used <br />throughout the following text. <br />1 <br />
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