1403_CaldwellCoFoothillsReg_LFGMR_DIN28603_20170322 (2)

Foothills Landfill - 14-Day GPS Exceedance NotificationWELL ID PARAMETER RESULT UNITS SWSL NC2L/*GWPS BKG DATE1403-MW2R Benzene1.6µg/l1.0 1.0 1/26/20171403-MW2R** Benzene1.6µg/l1.0 1.0 2/28/20171403-MW2R Vinyl Chloride1.2µg/l1.0 0.03 1/26/20171403-MW2R** Vinyl Chloride1.8µg/l1.0 0.03 2/28/20171403-MW4 Total Cobalt 17.8 µg/l10.0 1.0* 44.11/26/20171403-UD1 Total Chromium15.3µg/l10.0 10.01/26/20171403-UD1** Total Chromium .46 J µg/l10.0 10.02/2820171403-UD1 Total Vanadium57.5µg/l25.0 0.31/26/20171403-UD1** Total Vanadium ND µg/l25.0 0.32/28/2017NOTES: All concnetrations in micrograms per liter (µg/l).SWSL = NC Solid Waste Section Reporting Limit.NC2L = NC Groundwater Standard from 15A NCAC 2L.0202.*GWPS = NC Solid Waste Section Groundwater Protection Standard (for constituents with no NC2L).BKG = Statistical background concentration for the facility.ND = Not detected above the method detection limit.J = Estimated concentration below the SWSL.An ASD for Iron and Manganese was approved by DENR-SWS on June 9, 2011. An ASD for Cobalt was submitted to NC-DEQ on November 4, 2016. The 2016 ASD requested that the GPS for cobalt be set to the background (44.1 µg/l).Republic Services - Foothills LandfillPermit # 14-03Joyce EngineeringMarch 2017