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TABLE 3 <br /> ' SUMMARY OF CONFIRMATION SOIL ANALYTICAL RESULTS(BTEC t� <br /> TRACY PUMP STATION <br /> Tracy,San Joaquin County,California <br /> ' Concentrations in mg/kg <br /> Notes: <br /> L Samples were collected by SAIC and analyzed by Calscience Environmental Laboratories,Inc. <br /> ' BTEX using EPA Method 8264B. <br /> 2. Results in bold exceed RSLs and/or ESLs. <br /> 3. See Appendix D for data validation results. <br /> 4. Risk-based screening level for protection of groundwater. <br /> ' 5. MCL-based screening level for protection of groundwater_ <br /> 6. ESL"Leaching to Groundwater'concentration in soil for the protection of groundwater(drinking water source), <br /> based on ceiling value. <br /> 7. ESL Direct Exposure(Human Health) <br /> ' 8. ESL"Leaching to Groundwater"concentration in soil for the protection of groundwater(drinking water source), <br /> based on concentration modeled to leach to groundwater at or above the health-based screening level. <br /> Sources: <br /> ' RSLs from EPA Regional Screening Levels far Chemical Contaminants at Superfund Sites,September 2008. <br /> ESLs from the San Francisco Bay RWQCB Screening for Environmental Concerns at Sites with Contaminated <br /> Soil and Groundwater (Interim Final May 2008). <br /> 1 <br /> Page 2 of 2 SAIE <br />