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Table 2-Groundwater Chemical Analytical Data <br /> Former Unocal Service Station No 0123 <br /> 1034 Central Avenue <br /> Tracy,California <br /> Sample Sample TPHg Benzene Toluene Ethylbenzene Xylenes TPHd TBA MtBE D1PE ETBE TAME Ethanol Methanol <br /> No Date (ppb) (ppb) (ppb) ( b) (ppb) ( ) (Ppb) (ppb) (ppb) (ppb) (ppb) ( b) (ppm) <br /> Bonng B-5 <br /> B-5-W 1/12100 66,70013 362 949 644 1,030 29 6t�3 X100 <2 0 Q 0 <2 0 <2 0 <3,000 <20 0 <br /> TPH oto Petroleum Hydrocarbons as gasoline TPHg/BTE)OTHd by DHS LUFT Sequoia Analytical(FLAP p 1624) <br /> TPHd=Total Petroleum Hydrocarbons as diesel Oxygenates except methanol by EPA Method 8260A <br /> TBA G Tert-butyl alcohol Methanol by EPA Method 8015(modified) <br /> MtMtBE Methyl tart-butyl ether <br /> E=Di-isopropyl ether Iil Laboratory report indicates Weathered Gasoline C6-C 12+Unidentified Hydrocarbons C6-Cl2 <br /> ETBE=Ethyl ted-butyl ether iii Laboratory report indicates Unidentified Hydrocarbons CI O-C20 <br /> TAME=Teri-amyl methyl ether <br /> PPM—parts per million <br /> ppb=parts per billion <br /> No Volatile Organic Compounds(VOCs)by EPA Method 80108 were detected in grab groundwater sample <br /> 240073 0* <br />