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Tuleburg Warehouse -3- April 30, 2009 <br /> Claim No. 12586 <br /> r <br /> 1V. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS :, <br /> Contaminant Soil m /k ESLs Water (ug/L WQOs <br /> Maximum Latest Shallow 2 Maximum Latest (ug/L) <br /> Soil' Industrial (Feb 09) <br /> Residential Dermal <br /> m /k (mg/kg) <br /> TPH-g NA NA - 83 450 230,000 34,000 5 <br /> TPH-d NA NA 83 450 NA NA 56 <br /> Benzene NA NA 0.044 0.27 17,000 580 0.15 <br /> Toluene NA NA 2.9 210 34,000 1,200 42 <br /> Eth (benzene NA NA 2.3 5.0 3,900 53 29 <br /> Xylene _, �.NA�.,.�.�.�.�,NA_.,�. � ,2.3.E-ti, 4_-1.OQr�. --20,OD0%s.. <br /> MTBE NA NA 0.023 65 44,000 1,900 5 <br /> TBA NA NA 0.075 320,000 ND <100 12 <br /> 1,2-DCA NA NA 0.0045 0.48 ND X10 0.4 <br /> Lead NA NA 200 750 NA NA 15 <br /> PCE NA NA 0.37 0.95 NA NA 0.06 <br /> TCE NA NA 0.46 4.1 NA NA 0.8 <br /> 1 Environmental Screening Levels(ESLs)Shallow Soil<3m,Groundwater is source of Drinking Water, <br /> 2 ESLs,Shallow Soil Screening Levels,Groundwater not source of Drinking Water,Commercial Use, Direct Exposure, <br /> Worker <br /> NA Not Analyzed, Not Applicable,or Data Not Available <br /> WQO Water Quality Objectives <br /> FP Free phase product in site wells <br /> V. FREE PRODUCT: none identified <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: unknown volume r <br /> B. In=Situ Soil Remediation: <br /> • METHOD: soil vapor extraction <br /> • DURATION: Aug 05 through Feb 09 <br /> _ RATE OF HYDROCARBON REMOVAL: '<1pound/day (Jan 09) <br /> • MASS REMOVED: 2,500 pounds _- a <br /> C. Groundwater Remediation: }i <br /> • METHOD: groundwater_extraction <br /> • DURATION: Nov 03 through present <br /> • VOLUME OF GROUNDWATER EXTRACTED: 4,457,049 gallons .' , <br /> • MASS OF TPH-G REMOVED: 125 pounds <br /> California Environmental Protection Agency <br /> Qi Recycled Paper <br />