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Home My WebLink AboutNC0003433_Table 12-2 Coal Ash COPCS_20150902TABLE 12-2 COAL ASH COPC DETERMINATION CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS,LLC, MONCURE, NC Constituent Coal Ash > EPA Soil RSL(') Coal Ash Pore Water Conc.> NC 2L(2) Coal Ash COPC Basis For Coal Ash COPC Determination Aluminum Yes Not Established Yes Above soil RSL Antimony Yes Yes Yes Above soil RSL and groundwater 2L Arsenic Yes Yes Yes Above soil RSL and groundwater 2L Barium Yes No No Below groundwater 2L Beryllium Yes Yes Yes Above soil RSL and groundwater 2L Boron No Yes Yes Above groundwater 2L Cadmium No Yes Yes Above groundwater 2L Calcium Not Established Not Established No Note 3 Chloride Not Established No No Below groundwater 2L Chromium [Cr(III)/Cr(VI)] No Yes Yes Above groundwater 2L Cobalt Yes Yes Yes Above soil RSL and groundwater 2L Copper Yes No No Below groundwater 2L Iron Yes Yes Yes Above soil RSL and groundwater 2L Lead Yes No No Below groundwater 2L Magnesium Not Established Not Established No Note 3 Manganese Yes Yes Yes Above soil RSL and groundwater 2L Mercury Yes No No jBelow groundwater 2L Molybdenum Yes Not Established Yes jAbove soil RSL Nickel No Yes Yes jAbove groundwater 2L Nitrate (as N) Not Established No No Below groundwater 2L Potassium Not Established Not Established No Note 3 Selenium Yes No No Below groundwater 2L Sodium Not Established Not Established No Note 3 Strontium No Not Established No Below soil RSL Sulfate Not Established Yes Yes jAbove groundwater 2L Thallium Yes Yes Yes Above soil RSL and groundwater 2L TDS Not Established Yes Yes Above groundwater 2L Vanadium Yes Yes Yes Above soil RSL and groundwater 2L Zinc No Yes Yes Above groundwater 2L Prepared by: KDF Checked by: VTV Notes: Constituent is a coal ash COPC Constituent is not a coal ash COPC Note 1: See Table 7-3 Note 2: See Tables 7-8 and 12-1 Note 3: Naturally occurring at moderate concentrations in most water bearing units, present at moderate concentrations in many foods and available in dietary supplements. Unlikely to pose potentially unacceptable risk to human health when compared to other P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\1.11 CSA Reporting\Tables\Table 12-2 Coal Ash COPCS.xlsx Page 1 of 1