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Eggiman's Hydraulic Garage -2- September 16, 2010 <br /> Claim No. 16475 <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feet b s (Apr 2010 <br /> MW-1 Nov 01 35-55 42.77 <br /> MW-2 Nov 01 34-54 42.05 <br /> MW-3 Nov 01 35-55 43.05 <br /> MW-4 Jan 04 33-53 43.02 <br /> MW-5 Jan 04 33-53 40.49 <br /> MW-6 Jan 04 33-53 40.80 <br /> MW-7 Jan 04 35-55 41.02 <br /> MW-8 Jul 07 37-57 42.34 <br /> MW-9 Jul 07 35-55 41.30 <br /> MW-10 Jul 07 36-56 40.99 <br /> MW-11 Jul 07 36-56 41.47 <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 /> (Apr 2010 <br /> TPH-g NA NA 3,700 770 5 <br /> TPH-d NA NA 5,400 <50 56 <br /> Benzene NA NA 17 0.6 0.15 <br /> Toluene NA NA 18 2.8 42 <br /> Eth (benzene NA NA 180 39 29 <br /> Xylenes NA NA 470 80 17 <br /> MTBE NA NA 170 69 5 <br /> TBA NA NA 130 26 12 <br /> 1,2-DCA NA NA 130 130 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 /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: unknown volume <br /> B. In-Situ Soil/ Groundwater Remediation: ozone injection pilot test approved <br /> California Eavironmenta/Protection Agency <br /> Za Reyled Paper <br />