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Table 2-Groundwater Chemical Analytical Data <br /> Former Unocal Service Station#2859 <br /> 1665 Pacific Avenue <br /> Slockton California <br /> Sample Sample TOC DTW GWE TPHg Benzene Toluene Ethylbenzene Xylenes MtBElil TBA DIPE ETBE TAME 1,2 DBA 1,2-DCA <br /> No Date (Feet MSL) (feet) (feet MSL) (ppb) (ppb) (ppb) (Ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> Trip Blank 615101 ---- <50 <0 50 <0 50 <0 50 <0 50 <5 01- ---- — ---- ---- <br /> Explanation, A nalvncal Method <br /> TPHg=Total Petroleum Hydrocarbons as gasoline TPHg BTEX and MtBE by DHS l UFT Mcthod <br /> BTEX=Benzene Toluene Ethylbenzene Xylenes Oxygenates b1 EPA Method 82608 <br /> MtBE=Methyl tert butyl ether 12 DBA and 12 DCA by EPA Method 82608 <br /> TBA=Tert butyl alcohol <br /> RIPE=Dt isopropyl ether <br /> ETBE=Ethyl tert butyl ether Sequoia Analytical(ELAP 92360) <br /> TAME=Ten amyl methyl ether <br /> 1 2-DBA=12 Dibromoethane <br /> 12 DCA=12 Dichlo-oethane <br /> TOC=Top of casing <br /> DTW=Depth to water <br /> GWE=Groundwater elevation <br /> MSL=Mean sea level <br /> ppb=parts per billion <br /> Morn. <br /> "IMtBE by DHS LUFT Method/EPA Method 8260E <br /> lt'Chmmatogram Pattern Gasoline C6 Cl2 <br /> I'lChromatogrom Pattern Weathered Gasoline C6 C12 <br /> 1'1Clvomatogram Pattern Untdennfied Hydrocarbons C6 C12 <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> 240072 04 <br />