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it <br /> u � <br /> 1 RMB Garage -2- September 16 , 2010 <br /> Claim No. 16768 <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feet b s Jun 2010 <br /> MWA Sep 03 2040 24. 39 <br /> MW-2 Sep 03 20-40 23 . 82 <br /> MW-3 Sep 03 2040 <br /> MW-4 Sep 03 20-40 <br /> MW-5 Nov 05 2040 24. 62 <br /> MW-6 Nov 05 20-40 23. 88 <br /> MW-7 Feb 05 20-40 25 . 07 <br /> MW-8 Dec 05 2040 24 . 22 <br /> MW-9 Dec 05 20-40 <br /> MW- 10 Mar 07 20-40 23 . 91 <br /> MW- 11 Mar 07 20-40 . 24 . 93 <br /> MW- 12 Mar 07 . 88-98 25 . 02 <br /> MW-13 Mar 07 2040 25 . 65 <br /> MW- 14 Aug10 - <br /> MW-15 Aug 10 - - <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-g NA NA 580, 000 1203000 5 <br /> TPH-d NA NA 95,000 18, 000 56 <br /> Benzene NA NA 300, 000 20, 000 0. 15 <br /> Toluene NA NA 430, 000 303000 42 <br /> Eth (benzene NA NA 32 000 51800 29 <br /> Xylenes NA NA 136, 000 25, 500 1 17 <br /> MTBE NA NA <10 <1 5 <br /> TBA NA NA <100 <10 12 <br /> 1 ,2-DCA NA NA 12100 21 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 En vironmenta/ Protection Agency <br /> gd Recycled Paper _ <br />