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TABLE 2ANALYTICAL RESULTS OF GROUNDWATER SAMPLESFORMER PILKINGTON NORTH AMERICA – LATHROP FACILITY500 East Louise, Lathrop, California(ug/l)TPH-g TPH-d Benzene TolueneEthyl-benzeneXylenes 1,2-DCANap-thaleneEthanol MTBE ETBE DIPE TAME TBASample ID (screened interval ft bsg)DateDepth to Groundwater (btoc)EPA SW 846/8260B03-28-2018 11.23-1,860,000 *------------11-09-2018 12.77-738,000------------03-28-2018 11.86-250,000------------11-09-2018 13.11-1,080,000------------03-28-2018 11.35-343,000------------11-09-2018 12.99-125,000------------03-28-2018 11.57-371,000------------11-09-2018 12.68-330,000------------03-28-2018 11.26-967 1------------11-09-2018 12.51-4,470------------03-28-2018 DRY--------------03-28-2018 DRY--------------03-28-2018 11.40-35,100 *------------11-09-2018 12.67-1,020,000------------03-28-2018 11.20-84,200------------11-09-2018 12.41-357,000------------Notes:<: Indicates constituents were not detected at a concentration greater than the reporting limit shownDIPE: di-isopropyl etherμg/l: micrograms per liter bsg: below surface grade btoc: below top of casingETBE: ethyl tertiary-butyl etherTPH-g: Total petroleum hydrocarbons quantified as gasolineft: feetTAME: tertiary-amyl methyl etherTPH-d: Total petroleum hydrocarbons quantified as dieselTBA: tertiary-butyl alcohol967 1Peaks in diesel range but chromatogram doesn't match that of diesel standardEDB: 1,2-dibromoethane*:Samples inadvertantly mislabeled1,2-DCA: 1,2-dichloroethaneRW-6 (6 - 16)RW-7 (8 - 18)RW-8 (8 - 18)RW-1 (6 - 16)RW-2 (6 - 16)RW-3 (6 - 16)RW-4 (6 - 16)RW-5 (6 - 16)