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Table 13 <br /> Comparison of Maximum Soil Concentrations and <br /> Risk-Based Screening Levels for Soil <br /> Former Heinz Facility <br /> Tracy,California <br /> Tank 1 <br /> Maximum Risk-Based <br /> Constituent Concentration* Screening Level <br /> Benzene 41 470 <br /> Toluene 43 96,000 <br /> Ethylbenzene 37 230,000 <br /> Xylenes 70 220,000 <br /> Tank 2 <br /> i <br /> Maximum Risk-Based <br /> Constituent Concentration"* Screening Level <br /> Benzene 39 470 <br /> Toluene 450 96,000 <br /> Ethylbenzene 250 230,000 <br /> Xylenes 2,200 220,000 <br /> Notes <br /> *From Table 3 <br /> 'From Table 6 <br /> All concentrations expressed in milligrams per kilogram <br />