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BJJ Co. -2- September 2, 2010 <br /> Claim No. 380 <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feet b s Nov 09 <br /> MW-1 Jun 98 5-15 7.00 <br /> MW-2 May 98 5-15 7.00 <br /> MW-3 Nov 98 5-10 7.47 <br /> MW-4 Nov 98 5-10 7.01 <br /> MW-5 Nov 98 5-10 7.74 <br /> MW-6 Nov 98 5-10 7.18 <br /> MW-7 Oct 00 30-40 7.00 <br /> MW-8 Oct 00 30-40 7.00 <br /> • LAND USE DESIGNATION: 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 /> Nov 09 <br /> TPH-9 NA NA 170,000 20,000 5 <br /> TPH-d NA NA NA NA 56 <br /> Benzene NA NA 940 94.7 0.15 <br /> Toluere NA NA 4,700 135 42 <br /> Eth (benzene NA NA 4,900 1,030 29 <br /> Xylenes NA NA 13,000 2,150 17 <br /> MTBE NA NA NA NA 5 <br /> TBA NA NA NA NA 12 <br /> 1,2-DCA NA NA NA NA 0.5 <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 /> V. FREE PRODUCT: none identified <br /> V1. SOIL AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: approximately 200 tons of contaminated soil and 12,000 <br /> gallons of contaminated groundwater was removed from around UST 1 and 152 <br /> tons contaminated soil and 8,000 gallons of contaminated groundwater was <br /> removed from around UST 2 in Feb 1998 <br /> B. In-Situ Soil Remediation: none identified <br /> California Environmental Protection Agency <br /> Qio1 Recycled Paper <br />