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Harry's Auto Mart -4 - September 20.12 <br /> Claim No. 15094 <br /> Remediation Summary <br /> • Free Product: No free product was documented throughout the life of this case. <br /> • Soil Excavation: An unknown volume of impacted soil was removed and disposed <br /> offsite in 1989. <br /> • In-Situ Soil/ Groundwater Remediation: Soil vapor extraction and air sparging pilot test. <br /> Supporting Site Data <br /> Tank Information <br /> Tank No. Size in Gallons Contents Closed in Place/ Date <br /> Removed/Active <br /> 1 550 Gasoline Removed Apr 89 <br /> 2 2,000 Gasoline Removed Apr 89 <br /> 3 550 Gasoline Removed Apr 89 <br /> 4 300 Gasoline Removed Apr 89 <br /> Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Depth to Water <br /> (feet bgs) (feet bgs) <br /> (Apr 2012 <br /> MW-1 Feb 01 45-65 42.73 <br /> MW-2 Feb 01 35-60 42.15 <br /> MW-3 Feb 01 35-60 42.76 <br /> MW-4 Feb 01 35-60 42.65 <br /> MW-5 Dec 03 55-75 40.85 <br /> MW-6 Dec 03 55-75 41.30 <br /> MW-7 Dec 03 55-75 40.81 <br /> MW-1 D Dec 03 95-100 42.58 <br /> Petroleum H drocarbon Constituent Concentration <br /> Contaminant Soil m /k Water /L WQOs <br /> Maximum Maximum Maximum Latest (Ng/L) <br /> 0-5 ft bgs 5-10 ft bgs b (Apr 2012) <br /> a a <br /> TPHg <10 4,000 200,000 130,000 5 <br /> Benzene 0.15 0.21 30,000 16,000 0.15 <br /> Toluene 0.60 2.7 26,000 12,000 42 <br /> Eth (benzene 0.37 7.8 6,700 1,900 29 <br /> Xylenes 1.6 17 23,000 17,300 17 <br /> Naphthalene NA NA 860 NA 0.6 <br /> MTBE NA NA 240 120 5 <br /> TBA NA NA 36 <10 1,2005 <br /> 1,2 DCA NA NA 3,1001 230 0.5 <br /> NA: Not Analyzed, Not Applicable or Data Not Available <br /> mg/kg: milligrams per kilogram, parts per million <br /> ug/L: micrograms per liter, parts per billion <br /> WQOs: Water Quality Objectives, Region 5 Basin Plan <br /> a According to Reports, soil, 1989 <br /> b According to GeoTracker,wells <br /> °California Department of Public Health Response Level <br />