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Moore Truck Lines -2- May 13, 2010 <br /> Claim No. 14353 <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feet b s Feb 09 <br /> MW-1 Mar 01 44-64 Dry <br /> MW-2 Oct 01 55-75 66.33 <br /> MW-3 Oct 01 55-75 66.42 <br /> MW-4 Oct 01 55-75 66.63 <br /> MW-5 Aug08 50-70 66.67 <br /> MW-6 Aug08 50-70 66.55 <br /> MW-7 Aug08 50-70 66.86 <br /> MW-8 Aug08 50-70 66.95 <br /> • MTBE THREAT CLASSIFICATION: C <br /> • LAND USE DESIGNATION: commercial <br /> • ESTIMATED WATER QUALITY OBJECTIVES (WQO'S) FOR SITE: Per the <br /> Water Quality Control Plan (Basin Plan) for the Sacramento River Basin and the <br /> San Joaquin River Basin (Fourth Edition). <br /> IV. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS <br /> Contaminant Soil m /k Water (ug/L WQOs <br /> Maximum Latest Maximum Latest (ug/L) <br /> Feb 09)* <br /> TPH-g NA NA 970 <50 5 <br /> TPH-d NA NA 280 <50 56 <br /> Benzene NA NA 160 <0.5 0.15 <br /> Toluene NA NA 1.3 <0.5 42 <br /> Eth (benzene NA NA 1 <0.5 29 <br /> Xylenes NA NA 2.7 <0.5 17 <br /> MTBE NA NA 630 <1 5 <br /> TBA NA NA <10 <10 12 <br /> 1,2-DCA NA NA 22 <0.5 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 /> ' MW-1 was not sampled <br /> V. FREE PRODUCT: none identified <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: unknown volume <br /> B. In-Situ Soil/ Groundwater Remediation: <br /> • METHOD: soil vapor extraction pilot test report is late. <br /> California Environmental Protection Agency <br />