Cliffside ES-1 Figure

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UNIT 5 INACTIVE`
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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
CLIFFSIDE STEAM STATION ASH BASIN
RUTHERFORD COUNTYAND CLEVELAND COUNTY,
NORTH CAROLINA
11
LEGEND:
— — — APPROXIMATE GROUNDWATER FLOW DIRECTION
! AREA OF BORON AND SULFATE WELLS EXCEEDANCES OF
21—STANDARDS
ASH STORAGE
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 SULFATE IS 250,000 pg/L
NC 2L GROUNDWATER STANDARD FOR BORON IS 700 pg/L
LOCATIONS ADJACENT TO THE UNIT 5 INACTIVE ASH BASIN ARE A RESULT
OF SULFATE CONCENTRATIONS JUST BELOW THE 2L STANDARD
(ELEVATED TDS WAS ALSO MEASURED AT THESE LOCATIONS).
DATE
AUGUST 2015
FIGURE
ES -1