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i <br /> Tuleburg Warehouse -3- ,. May 27, 2010 <br /> Claim No. 12586 <br /> IV. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS <br /> Contaminant Soil m Ik Water (ug/L) QOs <br /> Maximum Latest Maximum Latest (uglL) <br /> Feb 2010 <br /> TPH-9 NA NA 230,000 13,000 5 <br /> TPH-d NA NA NA NA 56 <br /> Benzene NA NA 17,000 210 0.15 <br /> Toluene NA NA 34,000 350 42 <br /> Eth (benzene NA NA 3,900 <10 29 <br /> X ienes NA NA 20,000 2,100 17 <br /> MTBE NA NA 44,000 390 5 <br /> TBA NA NA ND <100 . 12 <br /> 1,2-DCA NA NA ND <10 0.4 <br /> Lead NA NA NA NA 15 <br /> PCE NA NA NA NA 0.06 <br /> TCE NA NA NA NA 0.8 <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,_____ <br /> B. In-Situ Soil Remediation: <br /> METHOD: soil vapor extraction - <br /> • DURATION: Aug 05 through Feb 09 <br /> • RATE OF HYDROCARBON REMOVAL: <1 pound/day (Jan 09) <br /> • MASS REMOVED: 2,500 pounds <br /> C. Groundwater Remediation: <br /> • METHOD: groundwater extraction <br /> DURATION: Nov 03 through Feb 09 <br /> • VOLUME OF GROUNDWATER EXTRACTED: 4,457,049 gallons <br /> .MASS OF TPH-G REMOVED: 125 pounds <br /> 3 w ' <br /> California Environmental Protection Agency <br /> P.a Recycled Paper <br />