NC0005363_Fig 6-2 CONCEP CORR ACTION PLAN_20160201

OPTION 1- Source control (Close in place) and monitored natural attenuation (MNA).
COAL ASH REMAINS IN PLACE
ESTABLISH GRASS AS COVER
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FORMER WASTE BOUNDARY
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GROUNDWATER
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INTERCEPTION TRENCH
/ ,� ' COOLING POND
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OPTION 3 - Source control (Closed in place) and interception trench.
SEE PLAN VIEW OF CORRESPONDING OPTIONS ON FIGURE 6-3 CONCEPTUAL
CORRECTIVE ACTION OPTIONS - SECTION VIEW.
OPTION 2 - Source control (Ash removal), phytoremediation, and monitored natural
attenuation MNA.
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9
I-'/ COAL ASH REMAINS IN PLACE
ESTABLISH GRASS AS COVER
FORMER WASTE BOUNDARY
\ FOUR EXTRACTION
WELLS
IDE
FORMER
THE
WASTE BOUNDARI
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"GROUNDWATER //
FLOW DIRECTIONS \ / >
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OPTION 4 - Source control (Closed in place) and four groundwater extraction wells.