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Site round Information S Background ' FLAME MINI-MART 1301 West Kettleman Lane, Lodi, California ' BACKGROUND ' The site Is located at the northwest Intersection of West Kettleman Lane and South Ham Lane in Lodi,California(Figure 1) The parcel Is Identified by the San Joaquin County Assessor's office as parcel numbers 031-040-05 and 031-040-60 and is located in the southwest portion of Section 11 ' of Range 6 East,Township 3 North,Mount Diablo Base and Meridian(Lodi South Quadrangle,7 5- Minute USGS Topographic Series 1968, photo revised 1976) SITE DESCRIPTION ' The property is presently occupied by Flame Mim-Mart, which consists of one story mini-mart structure, gasoline fueling facility and a car wash The gasoline fueling facility consists of three 10,000-gallon underground storage tanks(USTs),two fuel dispenser Islands and a canopy The car wash is located along the western portion of the site UNDERGROUND STORAGE TANK REMOVAL Three 10,000-gallon USTs were removed from the site in June 1998 and replaced with three new 10,000-gallon gasoline USTs Soil samples were collected from beneath each UST,dispenser island and from the excavated soil The samples were transported to a DHS-certified laboratory and analyzed for total petroleum hydrocarbons quantified as gasoline (TPH-g), volatile aromatic compounds(benzene,toluene,ethyl benzene and total xylenes BTEX),fuel oxygenating compounds (MTBE, TAME, DIPE, ETBE and TBA) and total lead in accordance with the appropriate EPA Methods No TPI -g or BTEX compounds were detected in soil samples collected beneath the former USTs or dispenser Island However, MTBE and TBA were detected beneath the south ends of UST nos 2 and 3 and concentrations as high as 9 8 mg/kg and 31 mg/kg,respectively, MTBE and TBA were detected beneath the north end of UST no 3 at concentrations of 0 48 mg/kg and 0 9 mg/kg, respectively Xylene was detected at 0 012 milligrams per kilogram(mg/kg)in one sample collected beneath the former dispenser Island Low concentrations of xylenes were also detected in samples collected from the excavated (stockpiled) soil The stockpiled soil was transported off-site for disposal with approval from the San Joaquin County Environmental Health Department PREVIOUS SUBSURFACE INVESTIGATION The following is a brief summary of site assessment activities i Advanced GcoEnvironmental,Inc