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I Guardino - Crawford -2- May 4 , 2009 <br /> Claim No . 14349 <br /> B . Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> (feet b s) (Oct 08) <br /> MW- 1 Jul 99 15-35 7 . 87 <br /> MW-2 Jul 99 10-30 9 . 32 <br /> MW-3 Jul 99 10-30 9 . 01 <br /> MW-4 Jul 99 10-30 7 . 65 <br /> MW-5 Nov 00 10-25 8 . 90 <br /> MW-6 Nov 00 10-25 8 . 87 <br /> MW-7 Sep 04 10-25 8 . 67 <br /> MW-8 Sep 04 10-25 8 . 92 <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 ESLs Water (ug/L WOOS <br /> Maximum Latest Shallow Industria12 Maximum Latest (ug/L) <br /> Soil Dermal (Oct 08) <br /> Residential (mg/kg) <br /> (mg/kg) <br /> TPH-g NA NA 83 450 2007000 11100 5 <br /> TPH-d NA NA 83 450 NA NA 56 <br /> Benzene NA NA 0. 044 0.27 40 , 000 280 1 0. 15 <br /> Toluene NA NA 2. 9 210 34 , 000 6 . 3 42 <br /> Eth ( benzene NA NA 2 . 3 1 5 . 0 21500 11 29 <br /> Xylenes NA NA 2 . 3 100 37 , 0000 65 17 <br /> MTBE NA NA 0 . 023 65 480 17 5 <br /> TBA NA NA 0 . 075 320 , 000 <25 <5 12 <br /> 172-DCA NA NA 0 . 0045 0.48 200 0 . 6 0.4 <br /> LeadNA NA 200 750 NA NA 15 <br /> PCE NA NA 0. 37 0 . 95 NA NA 0 . 06 <br /> TCE NA NA 0.46 4 . 1 NA NA 0 . 8 <br /> 1 Environmental Screening Levels (ESLs) Shallow Soil <3m, Groundwater is source of Drinking Water. <br /> 2 - ESLs , Shallow Soil Screening Levels, Groundwater not source of Drinking Water, Commercial Use, Direct Exposure, <br /> Worker <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 in Apr 00 <br /> B. In-Situ Soil/ Groundwater Remediation : none identified <br /> California En vironmeatai Protection Agency <br /> o„d Recycled Paper <br />