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ii <br /> M Floyd Barnes -2- April 15 , 2010 <br /> Claim No . 11828 <br /> lB . Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feet b s) (Jan 2010 <br /> MW- 1 Sep 97 6-26 9 . 04 <br /> MW-2 Sep 97 6-26 9 . 26 <br /> MW-3 Sep 97 6-26 9 . 22 <br /> MW-4 Jan 99 5- 19 8 . 85 <br /> MW-5b Jan 99 5-20 9 .44 <br /> MW-6 Jan 99 5-28 9 . 39 <br /> MW-7 Mar 00 5-25 10 .43 <br /> MW-8 Mar 00 5-25 11 . 12 <br /> • MTBE THREAT CLASSIFICATION : N <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 /> Jan 2010 <br /> TPH-g NA NA 36 , 000 28, 000 5 <br /> TPH-d NA NA 300 NA 56 <br /> Benzene NA NA 41100 41000 0. 15 <br /> Toluene NA NA 5 , 300 790 42 <br /> Eth ( benzene NA NA 1 , 900 11900 29 <br /> Xylenes NA NA 41200 21500 17 <br /> MTBE NA NA 280 1 <0 . 5 5 <br /> TBA NA NA NA <5 12 <br /> 112-DCA NA NA ND NA 0.4 <br /> Lead I NA NA NA 15 <br /> PCE NANA 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 /> B. In-Situ Soil Remediation : none identified <br /> Catifornia Euvironmenta/ Protection Agency <br /> Zd RecydedPnper <br />