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PS Marina's 5 -2- February 25 , 2010 <br /> Claim 3668 <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feet b s Dec 08 <br /> MWA Apr 91 ?- 18 3 . 30 <br /> MW-2 Apr 91 ?-16 3 .61 <br /> MW-3 Apr 91 ?- 16 7 . 20 <br /> MW-4R Aug95 ?- 18 3 .43 <br /> MW-5 Apr 91 ?-16 4 .49 <br /> MW-6 Sep 93 ?- 17 5 . 71 <br /> MW-7 Sep 91 ?-30 10 . 70 <br /> MW-8 2008 ? 3. 30 <br /> MW-9 2008 ? 11 . 19 <br /> MW- 10 2008 ? 12 .20 <br /> MW- 11 2008 ? 6 . 56 <br /> MW- 12 2008 ? 7 . 87 <br /> MW- 13 2008 ? 18 . 52 <br /> MW- 14 2008 ? 11 . 56 <br /> • MTBE THREAT CLASSIFICATION : A <br /> • LAND USE DESIGNATION : commercial/ agricultural <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 /> Se 09 <br /> TPH-g NA NA 91800 <50 5 <br /> TPH-d NA NA NA <50 56 <br /> Benzene NA NA 230 <0. 5 0. 15 <br /> Toluene NA NA 6.2 <0. 5 42 <br /> Eth (benzene I NA NA 36 <0. 5 29 <br /> Xylenes NA NA 87 < 1 17 <br /> MTBE NA NA 150, 000 42 5 <br /> TBA NA NA 67,000 35, 000 12 <br /> 112-DCA NA NA NA NA 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 /> V. FREE PRODUCT: none identified <br /> VI . SOIL AND GROUNDWATER REMEDIATION <br /> California Eu vironmental Protection Agency <br /> P„a Recycled Paper <br />