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Table 1 <br /> Analytical Data for Soil Gas Samples <br /> (TPH-g, BTEX, Fuel Oxygenates, and Fuel Additives) <br /> Former Colombo/Toscana Bakery <br /> 1444 South Lincoln Street <br /> Stockton, California 95206 <br /> Concentration and Associated SFBRWQCB Residential Shallow Soil Gas ESLs(pg/m') <br /> Sample Sampling <br /> ID Date TPH-g Benzene Toluene Ethylbenzene Xylenes MTBE TBA DIPE ETBE TAME 1,2-DCA 1,2-DBA <br /> (10,000)' (84) (63,000) (980) 1 (21,000) (9,400) (NE) (NE) (NE) (NE) (94) (4.1) <br /> SG-1 1/30/2009 1,300 8.3 21 6.3 46 <4.2 <14 <19 <19 <19 <4.7 <9.0 <br /> SGA DUP 1/30/2009 860 6.2 17 <5.0 34 <4.2 <14 <19 <19 <19 <4.7 <9.0 <br /> SG-2 1/30/2009 680 12 18 <5.2 11 <4.3 <14 <20 <20 <20 <4.8 <9.2 <br /> SG-3 1/30/2009 5,500 34 790 35 149 <4.1 <14 <19 <19 <19 <4.6 <8.8 <br /> SG-4" 1/30/2009 NA NA NA NA NA NA NA NA NA NA NA NA <br /> SG-5 1/30/2009 2,500 10 370 17 72 <4.0 <14 <19 <19 <19 <4.5 <8.6 <br /> SG-6 1/30/2009 910 6.4 32 7.0 37 <4.4 <15 <20 <20 <20 <4.9 <9.3 <br /> SG-7 1/30/2009 1,200 20 22 <5.1 8.4 <4.2 <14 <20 <20 <20 <4.8 <9.0 <br /> Notes: <br /> pg/ma=Micrograms per cubic meter. The TPH-g results were converted from pg/L to pg/ma using a multiplication factor of 1000. ETBE=Ethyl tertiary butyl ether. <br /> TPH-=Total petroleum hydrocarbons quantified as gasoline. TAME=Tertiary amyl methyl ether. <br /> MTBE=Methyl tertiary butyl ether. 1,2-DBA=1,2-dibromoethane(ethylene dibromide or EDB). <br /> TBA=Tertiary butyl alcohol. 1,2-DCA=1,2-dichloroethane(ethylene dichloride or EDC). <br /> DIPE=Di-isopropyl ether. NE=None established. <br /> SFBR W CCB Res.ESL=San Francisco Bay Regional Water Quality Control Board,Residential Shallow Soil Gas Env.Screening Level(Table E,May 2008). SG-4- NA=The sample was rejected and deemed unusable due to <br /> 0=Highlighted value exceeds the Residential ESL. 'The Commercial ESL for TPH-is 29.000 pg/ma. insufficient sample volume. <br /> S.ahwe USTBam LeeTrole CaMomiatsto on(1494 South Uncoln)12008_09-Sail Gas Inveslgafion�SGI-Repod\Supponing DacumendtionlSoff Gas Anay0cal Results Summary Table.xls Pagel oft <br />