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' Marci's Diesel Service N"001 -2- August 31, 2010 <br /> ' Claim No. 7709 <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feet b s Jun 09 <br /> MW-1 Aug00 49-64 51.48 <br /> MW-2 Aug00 46-61 51.08 <br /> MW-3 Aug00 44-59 50.02 <br /> MW-4 Aug00 35-55 51.39 <br /> MW-5 Aug00 30-45 51.50 <br /> MW-6 Aug00 30-45 50.91 <br /> ' MW-7 Jun 02 31-66 51.75 <br /> MW-8 Jun 02 31-46 50.95 <br /> MW-104 Jun 02 66-71 51.75 <br /> ' MW-105 Jun 02 66-71 51.40 <br /> MW-106 Jun 02 1 66-71 50.91 <br /> ' • LAND USE DESIGNATION: residential and 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 /> ' Jun 2010 <br /> TPH NA NA 1,000 NA 5 <br /> TPH-d NA NA 99,000 9,780 56 <br /> Benzene NA NA 4.9 NA 0.15 <br /> Toluene NA NA 2.9 NA 42 <br /> Eth (benzene NA NA 7 NA 29 <br /> Xylenes NA NA 14 NA 17 <br /> t MTBE NA NA 5.5 NA 5 <br /> TBA NA NA NA NA 12 <br /> 1,2-DCA NA NA NA NA 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 /> WQO Water Quality Objectives <br /> FP Free phase product in site wells <br /> V. FREE PRODUCT: sheen in MW-4, MW-5, and MW-7. <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: unknown volume <br /> i <br /> California En vironmental Protection Agency <br /> C,*Recycled Paper <br />