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FMS #24 Site Investigation Report <br />California Army National Guard <br />K:\Wpmcess\00251\CA ARNG\Stockton FMS 24 SI\SIDraR_dev.doc B-1 December 2007 <br />Table 3-1. Results of Versar Analyses of Soil Samples from the Diesel <br />• <br />and Gasoline UST Removal at FMS <br />#24, Stockton, and Soil <br />Criteria Comparison <br />Sample Sample Depth <br />Concentration <br />Criteria Comparison <br />Number (feet bgs) Analyte <br />Reported in mg/kg <br />(mg/kg) <br />B30 25 TPHG <br /><0.5 (ND) <br />100 <br />Tri—Regional Board Guideline <br />TPHD <br /><10 (ND) <br />100 <br />Tri—Regional Board Guideline <br />Benzene <br /><0.002 (ND) <br />— <br />Toluene <br /><0.002 (ND) <br />— <br />Ethylbenzene <br /><0.002 (ND) <br />— <br />Xylenes <br /><0.004 (ND) <br />— <br />TAME <br /><0.005 (ND) <br />— <br />TBA <br /><0.02 (ND) <br />— <br />DIPE <br /><0.005 (ND) <br />— <br />EtBE <br /><0.005 (ND) <br />— <br />MtBE <br /><0.005 (ND) <br />— <br />Lead <br />NS <br />— <br />B30 35 TPHG <br />0.72 <br />100 <br />Tri—Regional Board Guideline <br />TPHD <br /><10 (ND) <br />— <br />Benzene <br />0.035 <br />0.64 <br />Residential PRG <br />Toluene <br />0.019 <br />520 <br />Residential PRG <br />Ethylbenzene <br />0.0063 <br />400 <br />• <br />Residential PRG <br />Xylenes <br />0.0197 <br />270 <br />Residential PRG <br />TAME <br /><0.005 (ND) <br />— <br />TBA <br /><0.02 (ND) <br />— <br />DIPE <br /><0.005 (ND) <br />— <br />EtBE <br /><0.005 (ND) <br />— <br />MtBE <br /><0.005 (ND) <br />— <br />Lead <br />NS <br />— <br />B30 40 TPHG <br />47 <br />100 <br />Tri—Regional Board Guideline <br />TPHD <br /><10 (ND) <br />100 <br />Tri—Regional Board Guideline <br />Benzene <br />1.2 <br />0.64 <br />Residential PRG <br />Toluene <br />0.88 <br />520 <br />Residential PRG <br />Ethylbenzene <br />2.3 <br />400 <br />Residential PRG <br />Xylenes <br />15 <br />270 <br />Residential PRG <br />TAME <br /><0.005 (ND) <br />— <br />TBA <br /><0.02 (ND) <br />— <br />DIPE <br /><0.005 (ND) <br />— <br />EtBE <br /><0.005 (ND) <br />— <br />MtBE <br /><0.005 (ND) <br />• <br />Lead <br />NS <br />_ <br />K:\Wpmcess\00251\CA ARNG\Stockton FMS 24 SI\SIDraR_dev.doc B-1 December 2007 <br />