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Cherokee Truck Stop -2- September 2, 2010 <br /> Claim No. 8109 <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feet b s Mar 2010 <br /> MW-2 Mar 01 65-85 65.34 <br /> MW-3 Mar 01 65-85 66.08 <br /> MW-4 Mar 01 65-85 65.13 <br /> MW-5 Mar 01 55-75 65:86 <br /> MW-6 Mar 01 55-75 66.32 <br /> MW-7 Dec 02 87-92 65.94 <br /> MW-8 Oct 05 65-75 65.89 <br /> MW-9 Oct 05 95-105 66.12 <br /> S11 Jun 06 70-100 - <br /> S12 Jun 06 70-100 - <br /> S13 Jun 06 70-100 - <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 /> Mar 2010 <br /> TPH-g NA NA 3,400 <50 5 <br /> TPH-d NA NA 350,000 <50 56 <br /> Benzene NA NA 17 <0.5 0.15 <br /> Toluene NA NA 13 <0.5 42 <br /> Eth (benzene NA NA 24 <0.5 29 <br /> Xylenes NA NA 200 <0.5 17 <br /> MTBE NA NA 8.3 <0.5 5 <br /> TBA NA NA 9.6 <10 12 <br /> 1,2-DCA NA NA 510 220 0.5 <br /> Lead NA NA NA NA 15 <br /> NA Not Analyzed,Not Applicable,or Data Not Available <br /> WQO Water Quality Objectives <br /> V. FREE PRODUCT: none identified <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: unknown volume <br /> California Environmental Protection Agency <br /> .o <br /> P.a Recycled Paper <br />