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2021-02-01_REPORT - C1982057
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2021-02-01_REPORT - C1982057
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Last modified
5/7/2021 6:03:44 AM
Creation date
5/7/2021 5:53:07 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1982057
IBM Index Class Name
Report
Doc Date
2/1/2021
Doc Name Note
2020 Annual Hydrology Report
Doc Name
Annual Hydrology Report
From
Seneca Coal Company
To
DRMS
Annual Report Year
2020
Permit Index Doc Type
Hydrology Report
Email Name
RAR
JLE
Media Type
D
Archive
No
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Creek monitoring point WSSF3 exceeds the SIN PHC prediction its important to <br /> recognize that this location also receives drainage from the Yoast Mine (C-1994-082). <br /> The Yoast Mine was permitted approximately 12 years after SIN and the <br /> contributions from Yoast were not considered at the time of the SIN PHC <br /> predictions. Therefore, a more meaningful comparison of the current TDS at WSSF3 <br /> would be to the 2118 mg/L value predicted for WSSF3 in the Yoast Mine PHC. The 945 <br /> mg/L average TDS measured in 2020 remains nearly 1200 mg/L less than the <br /> predicted post mine concentration and indicates that neither operation has had a <br /> significant impact on the potential use of these surface waters for agriculture or <br /> livestock purposes. <br /> Page 14 of 17 <br />
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