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Preliminary Site Assessment Work Plan <br /> FAST AND EASY ;MART <br /> 244 West Harding Way, Stockton, California <br /> 1.0. INTRODUCTION <br /> At the request ol'T\/Ii-. Mike All the property owner. Advwicetl GeoEnvironmental, Inc. (AGE) has <br /> prepared the enclosed Preliminary Site Assessment Work Plan for the property located at 244 West <br /> Harding Way, Stockton, California. The location of the site is illustrated on Figure 1 and a plan of <br /> the site is illustrated on Figure 2, <br /> ']'his Work Plan is prepared in accordance with the request San Joaquin County Public Health <br /> Services - Environmental Health Division (PHS-EHD) and in accordance with the Central Valley <br /> Regional Water Quality Control Board (CVRWQCB) guidelines for the subsurface investigation of <br /> UST sites. <br /> 2.0. BACKGROUND <br /> A gasoline station and mini-marl presently occupy the site. Two TJSTs were removed from the site <br /> in September 1998 by SSSS. A new UST system was installed at the site in December 1998 <br /> 2.1 SITE DESCRIPTION <br /> The site is bounded on the north by Harding Way Residential property lies south and west of the site; <br /> commercial property lies east of the site. A single structure occupies the southern portion of the site. <br /> 2.2_ PREVIOUS INVESTIGATIONS <br /> It is our understanding that an environmental site assessment was performed on the property in the NF I r <br /> earlv 1990s. Field observations indicated that li_vdrocarbons may have impacted the soil. However, -riAt <br /> results of the Investitgation were not made available to the PIIS-EHD. <br /> '.3. UNDERGROUND STORAGE. TANK REMOVAL <br /> Two USTs and associated piping and dispenser island were removed from the site on 22 September <br /> 1998. Four samples were collected beneath the USTs, one sample was collected beneath the dispenser <br /> area and three laboratory-composited soil samples were collected from the excavated soil. <br /> Methyl tertiary butyl ether (N1TBE) and tertiary butanol (TBA) were detected in soil samples <br /> collected from beneath the USTs and dispenser island at concentrations up to 39 parts per million, <br /> I dvarrcee!GeoEnviromnental,]nr. <br />