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Table 2 <br /> Sod Analytical Data <br /> Groundwater Monitoring Wells <br /> Former Arco Service Station#4493 <br /> 205 North Center Street <br /> Stockton California <br /> Sample TPH as Ethyl <br /> Sample Depth Date Gasoline Benzene Toluene benzene Xylenes MtBE <br /> Name (feet bgs) Sampled Notes (mglkg) (mg/kg) (mglkg) (mg/kg) (mg/kg) (mglkg) <br /> MW-8 — — a — — — — -- <br /> MW-9 @ 25 25 518102 b <0 50 <0 0050 <0 0050 <0 0050 <0 0050 0 020 <br /> MW-9 @ 42 42 5!8102 b <0 50 00072 <0 0050 0 024 <0 0050 0 026 <br /> MW-9 52 52 518102 b <0 50 <0 0050 <0 0050 <0 0050 <0 0050 <0 0050 <br /> MW-1 0 @ 30 30 519102 b <0 50 <0 0050 <0 0050 <0 0050 <0 0050 <0 0050 <br /> MW-10 @ 46 46 519102 b <0 50 <0 0050 <0 0050 <0 0050 <0 0050 <0 0050 <br /> MW-10 @ 51 51 519102 b <0 50 <0 0050 <0 0050 <0 0050 <0 0050 <0 0050 <br /> TPF!=Total purgeable hydrocarbons <br /> mg/kg=milligrams per kilogram <br /> MtBE=Methyl tertiary Butyl Ether <br /> —=Not Available I Not Analyzed <br /> a=No samples collected from the boring of MW-8M/D due to flowing sands <br /> b=Samples were analyzed for fuel oxygenates by EPA Method 8260 <br /> TBA DIPE EtBE TAME 1 2-OCA and EDB were not detected above the laboratory detection limit <br /> TBA=Tert-butyl alcohol <br /> RIPE=Di-isopropyl ether <br /> ELBE=Ethyl tert-butyl ether <br /> TAME=Tert-amyl methyl ether <br /> 1 2-DCA=1 2-Dichloroethane <br /> EDB=1 2-Dibromoethane <br /> bgs=below ground surface <br />