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Raymond Greer -2- • September 9, 2010 i <br /> Claim No. 8525 <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feet b s (Apr 2010 <br /> MW-1 Jan 99 69-89 76.83 <br /> MW-2 Jan 99 70-90 71.72 <br /> MW-3 Jan 99 70-90 72.25 <br /> MW-4 Jan 99 70-90 70.95 <br /> MW-5 Jul 00 70-90 76.81 <br /> MW-6 Jul 00 95-100 77.05 <br /> MW-8 Jul 00 70-90 78.18 <br /> MW-9 Jul 00 70-90 76.75 <br /> MW-11 Aug09 140-150 78.21 <br /> DW - - 78.99 <br /> • LAND USE DESIGNATION: commercial and agriculture <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 u /L WQOs <br /> Maximum Latest Maximum Latest (ug/L) <br /> A r2010 <br /> TPH-g NA NA 89,000 5,500 5 <br /> TPH-d NA NA NA NA 56 <br /> Benzene NA NA 13,000 600 0.15 <br /> Toluene NA NA 13,000 80 42 <br /> Eth (benzene NA NA 1,300 150 29 <br /> Xylenes NA NA 7,900 .400 17 <br /> MTBE NA NA 1 890 60 5 <br /> TBA NA NA 110 <20 12 <br /> 1,2-DCA NA NA 530 190 0.5 <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 /> WOO 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 /> California Environmenta/Protection Agency <br /> PSC}Recycled Pape <br />