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Sara Lee Bakery Group _3- L i <br />CJaim No. 24291 April 7, 2008 <br />IV. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS <br />Contaminant <br />Soil <br />m /k <br />Water <br />u /L <br />WOOS <br />Maximum <br />Latest <br />Residential <br />ndus, <br />Maximum <br />Latest <br />(ug/L) <br />M/k <br />(rr. /kq <br />Oct 07 <br />TPH- <br />NA <br />NA <br />NA <br />iJA <br />196,000 <br />15,000 <br />5 <br />TPH-d <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />qg <br />Benzene <br />NA <br />NA <br />0.64 <br />L4 <br />7,100 <br />920 <br />0.15 <br />Toluene <br />NA <br />NA <br />520 <br />520 <br />17,500 <br />130 <br />42 <br />Eth (benzene <br />NA <br />NA <br />400 <br />400 <br />1,840 <br />590 <br />29 <br />Xylenes <br />NA <br />NA <br />270 <br />421 <br />15,300 <br />!i 1,800 <br />17 <br />MTBE <br />NA <br />NA <br />32 <br />70 <br />40 <br />ND <br />5 <br />TBA <br />NA <br />NA <br />NA <br />NA <br />47,000 <br />ND <br />12 <br />1,2 -DCA <br />NA <br />NA <br />NA <br />NA <br />18 <br />1.6 <br />0.5 <br />Lead <br />NA <br />NA <br />400 <br />800 <br />NA <br />NA <br />15 <br />PCE <br />ITA <br />NA <br />17 <br />130 <br />NA - <br />NA <br />0.06 <br />TCE <br />NA <br />NA <br />0.11 <br />110 <br />NA <br />NA <br />0.8 <br />PRGs USEPA Region 9 Preliminary Remediation Goals <br />MCL Maximum Contaminant Levels <br />AL Action Level <br />NA - Not Analyzed, Not Applicable, or Data Not Available <br />WQO-'Water Quality Objectives - - - <br />V. FREE PRODUCT: none identified <br />VI. SOIL AND GROUNDWATER REMEDIATION <br />A. Soil Excavation: unknown volume <br />B. In -Situ Soil/ Groundwater Remediation: none identified <br />C. Groundwater Trends: <br />• Benzene trends are shown below <br />Claim 2429 <br />3000 <br />2500- <br />M <br />2000 <br />1500 <br />100b <br />`r <br />m 500: <br />. <br />ch co <br />..o o <br />v <br />o <br />IT <br />0 <br />LO <br />0 <br />0 <br />- m <br />0 <br /><o <br />0 <br />r- r• <br />0 o <br />N N <br />0 <br />N <br />0N <br />N <br />N <br />N N <br />r) In <br />LLi <br />M <br />N <br />NlA <br />LO U3 <br />N a0 <br />N <br />oD <br />N <br />00 <br />N- <br />C0 <br />N 00 <br />Time <br />Calfarnra�'nvironmerrtalProtectian Agency <br />�.d /lerye%dPaper, <br />