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LFR Inc. <br /> Analyte Cleanup Goal for Soil Comment <br /> (mg/kg) <br /> n-Propylbenzene 240 Based on EPA Region 9 Tap Water <br /> PRG <br /> Toluene 40 Based on Groundwater Ceiling <br /> Level ESL <br /> 1,2,4-Trimethylbenzene 12 Based on EPA Region 9 Tap Water <br /> PRG <br /> 1,3,5-Trimethylbenzene 12 Based on EPA Region 9 Tap Water <br /> PRG <br /> Xylenes (m-, p-, and o-) 20 Based on Groundwater Ceiling <br /> Level ESL <br /> TRPH <br /> Total Recoverable 1,000 Based on Groundwater Ceiling <br /> Petroleum Level ESL <br /> Hydrocarbons <br /> Notes: <br /> ESL = Environmental Screening Level <br /> MCL = Maximum Contaminant Level <br /> PRG = Preliminary Remediation Goal <br /> Class I Waste Removal. The following reports summarize the confirmation soil <br /> sampling results for metals-affected soil characterized as Class I non-RCRA waste: <br /> • Soil Characterization Sampling Results for Burn Pile Areas 16, 20, 21, and the <br /> Southeast Staging Area, Tracy Tire Fire Site, Former Royster Tire Facility, Tracy, <br /> California, prepared by LFR and dated February 23, 2004 <br /> • Soil Characterization Sampling Results for Burn Pile Areas 22 through 27, Tracy <br /> Tire Fire Site, Former Royster Tire Facility, Tracy, California, prepared by LFR <br /> and dated April 28, 2004 <br /> • Soil Characterization Sampling Results for Burn Pile Areas 28 through 34, Tracy <br /> Tire Fire Site, Former Royster Tire Facility, Tracy, California, prepared by LFR <br /> and dated July 26, 2004 <br /> • Soil Characterization Sampling Results for Burn Pile Areas 13, 15, 17, 18, and 19, <br /> Tracy Tire Fire Site, Former Royster Tire Facility, Tracy, California, prepared by <br /> LFR and dated December 8, 2004 <br /> • Soil Characterization Sampling Results for Burn Pile Areas 7 through 12, Tracy <br /> Tire Fire Site, Former Royster Tire Facility, Tracy, California, prepared by LFR <br /> and dated March 14, 2005 <br /> rpt-RA_sur=-Nov06-fina1-09025 Page 23 <br />