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TABLE 2 <br /> INDOOR AIR AND AMBIENT AIR ANALYTICAL RESULTS <br /> 2911 E. Fremont Street, Stockton, CA <br /> Concentrations in micrograms per cubic meter(pg/m3) <br /> Sample SV1.5 SV2-5 <br /> Date 02109112 02/09/12 <br /> De th 6I 5f <br /> Analyte Units Reporting Result Result CHHSLShallow <br /> Limit Range Soil Gas <br /> TPH Gasoline Range ug/m 140 3,400 4,500 29000 ESL <br /> Benzene ug/m' 2.5 ND 1 13 120 <br /> Toluene ug/m, 2.5 8.5 27 380,000 <br /> Elhylbenzene ug/m 2.9 ND 4.0 1,400 <br /> m,p-Xylene ug/m 2.9 8.9 14 880,000 <br /> o-Xylene ug/m 2.9 ND 5.6 880,000 <br /> Methyl tert butyl ether ug/m 2.4 ND ND 13,000 <br /> Naphthalene ug/m' 14 ND ND 110 <br /> Tetrachlorethene ug/m 4.5 96 12 600 <br /> 1,1,2,2-Tetrachloroethane ug/m 4.6 ND ND None <br /> 1,1,2—Trichloroethane ug/m, 3.6 ND ND None <br /> Notes: <br /> Dup=Laboratory Duplicate <br /> Vol=Volume of sample collected for Purge Test <br /> CHHSL=California Human Health Screening Level(DTSC,2005) <br /> ESL=Environmental screening Levels for Evaluation of Potential Vapor Intrusion Concerns(SF Bay RWQCB) <br /> TPH=Total Petroleum Hydrocarbons <br /> ug/m'=micrograms per cubic meter <br /> ND=Not Detected above laboratory Reporting Limit <br />