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SITE CONCEPTUAL MODEL - PLAN VIEW MAP
AREA OF BORON AND SULFATE EXCEEDANCES OF 2L STANDARDS
IN SHALLOW MONITORING WELLS
DUKE ENERGY CAROLINAS, LLC
RIVERBEND STEAM STATION ASH BASIN
GASTON COUNTY, NORTH CAROLINA
z
LEGEND:
APPROXIMATE GROUNDWATER FLOW DIRECTION
AREA OF BORON AND SULFATE IN SHALLOW MONITORING
WELLS EXCEEDANCES OF 2L STANDARDS
ASH STORAGE
m � m = DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY COINCIDENT
WITH DUKE ENERGY PROPERTY BOUNDARY
STREAM
NOTES:
NC 2L GROUNDWATER STANDARD FOR BORON IS 700 pg/L
NC 2L GROUNDWATER STANDARD FOR SULFATE IS 250,000 pg/L
DATE
AUGUST 2015
FIGURE
ES -1