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i <br /> Moose Petroleum -3- March 9, 2009 <br /> Claim No. 889 <br /> IV. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS <br /> Contaminant Soil m /k ESLs Water (ug/L WQOs <br /> Maximum Latest Shallow Industrial 2 Maximum Latest (ug/L) <br /> Soil' (Jul 08) <br /> _ Residential Dermal <br /> (mg/kg) (mg/kg) <br /> TPH-g NA NA , 83 450 8,400 1,700 5 <br /> TPH-d NA NA 83 450 29,000; 270 56 <br /> Benzene NA NA 0.044 0.27 720 <0.5 0.15 <br /> Toluene NA NA 2.9 210 13 <0.5 42 <br /> Eth (benzene NA NA 2.3 5.0 28 3.6 29 <br /> Xylenes NA NA 2.3 100 29 0.52 17 <br /> MTBE NA NA 0.023 65 1,500 <1 5 <br /> TBA NA NA 0.075 320,000 ND <12 12 <br /> 1,2-DCA NA NA 0.0045 0.48 <1. <1 0.4 <br /> Lead NA NA 200 750 NA NA 15 <br /> PCE NA NA i0.37 0.95 NA NA 0.06 <br /> TICE 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 /> • <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: Nov 95 through Apr 97, Jun 02 through present <br /> MASS REMOVED: 5,587 pounds of TPH-G <br /> C. Groundwater Remediation: <br /> • METHOD 1: air sparging <br /> • DURATION: May 95 through Mar 97 <br /> • METHOD 2: ozone sparging <br /> DURATION: Feb 05 through 4th Quarter 07 <br /> California Environmental Protection.Agency <br /> P.d Recyc%d Paper <br />