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ENSR ; � . <br /> 4,0 Regulatory requirements <br /> 1 <br /> 41 Cleanup criteria objectives <br /> The information presented in Table 4-1 and Table 4-2 present potential cleanup criteria for the site <br /> Table 4-1 Potential Groundwater Cleanup Criteria <br /> Max Conc From <br /> Constituent Cleanup Criteria (µg/L) Latest GW Data Reference <br /> (01104106) <br /> Benzene 1 2,500 ug/l (MW-10) California Primary MCL <br />' Toluene 150 8,100 ug/l (MW-10) California Primary MCL <br /> Ethylbenzene 300 2,600 ug/l (MW-10) California Primary MCL <br /> Xylenes 1,750 34,000 ugll (MW-10) California Primary MCL <br /> MTBE 5e"""-"68 Not detected California Primary MCL <br /> 1,2-Dichloroethane a,-. 87 ug/l (MW-17) California Primary MCL <br /> Table 4-2 Potential Soil Cleanup Criteria <br /> Constituent Cleanup Criteria (mg/kg) Reference <br /> Benzene 0 64 EPA Region 9, Preliminary Remediation <br /> Goals, Direct Contact Exposure Pathways, <br /> Toluene 520 Residential, October 2004 <br /> Ethylbenzene 400 <br /> Xylenes 270 <br /> MTBE 32 <br /> TPHg 100 February 2005 Environmental Screening <br />' Levels, San Francisco Bay Regional Water <br /> Quality Control Board <br /> 4-1 NpI �� ,� <br />