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1.0 INTRODUCTION This report documents the removal of (1)empty 300 Gallon(#TA-0515717) underground storage tank located at 368 E. l I" Street, Tracy, California. The purpose of this report is to satisfy regulatory requirements surrounding removal and disposal of underground storage tanks. This report is a narrative of events performed under the guidelines of the Tank Removal Permit issued by the County of San Joaquin, California. Wright Environmental Services, Inc. —General Engineering Contractor License# 601501 —Class A with hazardous Certification-proposed to excavate and remove (1) single walled steel underground storage tank with a capacity of 300 gallons. The tank was to be removed and disposed of in accordance with guidelines established by the County of San Joaquin environmental Health department. The tank was to be cleaned, purged and then certified"empty" prior to removal and transportation. (Note: Tank Excavation Activities began on April 9,2004. The actual tank removal occurred on April 12, 2004 and the required soil sampling was performed on the same day.) 2.0 SITE DESCRIPTION The site was the former location of"Tracy Quick Freeze",which had been demolished by others prior to information of the UST. The property itself covers approximately a 150ft. by 160 ft. lot adjacent to DMV and across Civic Center Dr. from the Tracy Police Department, along E. I I's Street. 3.0 TANK DESCRIPTIONS AND BACKGROUND The tank was located toward the back side(southern side) of the lot and was formerly used to fuel ice cream trucks,which a former ice-cream company had leased, space at the property. The tank was single-walled steel, 300-gallon underground storage tank. The tank installation date is unknown. And the closurelout of service date is unknown. Permit applications for tank removal were obtained from the County of San Joaquin Environmental Health Department and City of Tracy Fire Department. No other permits are associated with the subject tank. The 300 gallon tank was cylindrical in shape, setting horizontally and measuring approximately 4' in diameter by approximately 6'-9". The tank rested on what appeared to be a sandy bedding and was covered with native soils. Fill port and dispensing and vent piping was uncovered abandoned in place. The storage tanks(and piping)when taken out of service(date unknown)were drained of fuel and left dry.