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TANK CLOSURE REPORT <br /> REMOVAL OF THREE UNDERGROUND STORAGE TANKS <br /> STOCKTON RAILYARD AND FUELING FACILITY <br /> STOCKTON, CALIFORNIA <br /> 1.0 INTRODUCTION <br /> 1 Three underground storage tanks were removed from the Stockton railyard and fueling <br /> facility located at Diamond Street and East Worth Street m Stockton, California on <br /> October 29 through November 2, 1990 Figure 1 shows a partial plan of the site and the <br /> locations of the three former underground storage tanks. The tank removal was performed in <br /> accordance with the permit application and workplan approved by the San Joaquin County <br /> Public Health Services and the City of Stockton Fire Department. Copies of the county <br /> permit application,Fire Department receipt and permit number, and approved Fine <br /> Department permit application form are included m Appendix A. <br />• 2.0 TANK REMOVAL <br /> 1 Three underground storage tanks were removed on October 29 through November 2, 1990 <br /> by Crisp Construction of Visaha The former underground storage tanks mcluded a <br /> 26,000-gallon diesel tank and remote fill line,a 10,000-gallon wastewater tank,and a <br /> 2,000-gallon gasohne tank. Dispensing equipment associated with the 26,000-gallon diesel <br /> tank and the 2,000-gallon gasoline tank were also removed. A wastewater line from the <br /> fueling platform to the former wastewater tank was left in place pending mtegnty testing. <br /> 2 Excavation caimenced on October 29, 1990 with removal of the asphalt and concrete pads <br /> and exposing of the tanks. Since the dispensing egcupment was located immediately above <br /> the 26,000-gallon and 2,000-gallon underground storage tanks, associated piping was <br /> minimal and was also removed during the excavation. <br /> 3 Approximately 3,700 gallons of residual material and ansate were removed from the site as a <br /> result of cleaning and triple rinsing the three underground storage tanks. The rinse water and <br /> residual material from the 26,000-gallon diesel tank and the 2,000-gallon gasoline tank were <br />• transported by Refineries Service to their facility in Patterson under Umform Hazardous <br /> ENVIRONMENTAL SOLUTIONS <br />