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GRA YLAND ENVIRONMENTAL CONSULTING SERVICES August 4, 1998 g 022-200 1 ' Mr Michael Walton Walton Engineering, Inc P O Box 1025 ' West Sacramento, California 95691 Subject Underground Storage Tank Removal Report ' Flame Liquor, 1301 West Kettleman Lane, Lodi, California Dear Mr Walton ' At the request of Walton Engineering,Inc ,of West Sacramento,California,Grayland Environmental (Grayland) has prepared this Underground Storage Tank Removal Report for the Flame Liquor ' property (site) located at 1301 West Kettleman Lane in Lodi, California (Figure 1) A registered geologist from Grayland arrived at the site on June 30, 1998, to assist with the removal of three underground storage tanks Grayland collected individual soil samples for laboratory testing from ' beneath each of the former underground fuel storage tanks and from beneath each end of the former fuel dispenser island Grayland also collected five soil sample composites from the soil stockpiles generated during the tank removal work I SITE DESCRIPTION AND BACKGROUND The site was occupied by Flame Liquor(convenience store), which stored three grades of unleaded gasoline in underground storage tanks for retail sale The three underground storage tanks had capacities of approximately 10,000 gallons each and were situated side by side on the western-half ' of the property(Figure 2) Fill ports were located at the northern ends of the underground storage tanks, fuel dispensers were located immediately adjacent to and south of the three storage tanks Former underground product delivery pipelines were located along the southern side of the tank excavation The single-wall,carbon steel underground storage tanks did not have overfill protection and were not wrapped The underground storage tanks apparently were installed during the 1970's The surface of the site was covered predominantly with asphaltic-concrete and concrete, with a subordinate area of exposed soil in landscaped planters The 4,960 square-foot, concrete block convenience store was situated near the northeastern corner of property(Figure 2) At the time of our field work, much of the asphaltic-concrete surface had been removed from in front of the site building and a new car wash was under construction at the western edge of the site TANK REMOVAL IOne fuel island containing a total of six fuel dispensers was removed from the area immediately south of the underground storage tank excavation(Figure 2) The fuel dispenser piping and underground I2731 Quail Street Davis, California 956.16 (530) 756-1441 1 August A,1998 Grayland 022-200 tri