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"del Monte Foods --3- May 6, 2010 <br /> N <br /> Claim 2612 <br /> IV. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS <br /> Contaminant Soil m /k Water (ug/L WQOs <br /> Maximum Latest Maximum Latest (ug/L) <br /> Se 08 <br /> TPH-g NA NA 1,400,000 13,000 5 <br /> TPH-d NA NA NA NA 56 <br /> Benzene NA NA 64,000 140 0.15 <br /> Toluene NA NA 110,000 340 42 <br /> Eth (benzene NA NA 21,000 470 29 <br /> Xylenes NA NA 130,000 2800 17 <br /> MTBE NA NA 304 NA 5 <br /> TBA NA NA 140 87 12 <br /> 1,2-DCA NA NA 2,800 160 0.4 <br /> Lead NA NA NA NA 15 <br /> PCE. NA NA NA NA 0.06 i <br /> TCE NA NA NA NA 0.8 <br /> NA Not Analyzed, Not Applicable,or Data Not Available - 4 <br /> WOO Water Quality Objectives I <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 /> e. <br /> B. In-Situ Soil Remediation: 4 <br /> • METHOD: soil vapor extraction <br /> • DURATION: Feb 95 through present ` <br /> MASS REMOVED: 8,787 pounds of TPH-G <br /> • INFLUENT TPH-G CONCENTRATION: <24 ppmv <br /> C. Groundwater Remediation: <br /> METHOD: air/ oxygen sparging <br /> DURATION: Feb 95 through present <br /> vY <br /> 6 — <br /> ry o I <br /> CaGforoia Environmental Protection Agency <br /> .r-T <br />