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Site Assessment Work Plan Addendum <br /> • Tracy Marine Sales <br /> 2353 Toste Road, Tracy, California <br /> 1.0. INTRODUCTION <br /> In accordance with a request from Mr Joe Toste, Advanced GeoEnvironmental, Inc (AGE) has <br /> prepared this Work Plan for site assessment for the property at 2353 Toste Road in Tracy, California <br /> The scope of work includes the installation of five soil boring, the installation of five ground <br /> monitoring wells along with the collection of soil and quarterly ground water monitoring The <br /> location of the site is illustrated in Figure 1 A plan of the site is illustrated in Figure 2 <br /> This work plan is prepared in accordance with San Joaquin County Public Health Services - <br /> Envlronmental Health Division(PHS-EHD)and the Central Valley Regional Water Quality Control <br /> Board guidelines for the investigation of underground storage tank (UST) sites <br /> 2.0. BACKGROUND <br /> i <br /> The site is located in a business/agricultural area of western Tracy, California,in San Joaquin County <br /> (Figure 1) The property is located in a highway-retail business development owned by Mr Joe <br /> Toste, Jr A large showroom/office structure for marine sales is located on the property The <br /> • northern edge of the property lies adjacent to Highway-205 and the southern edge is adjacent to <br /> Toste Road <br /> 2 1 UNDER GROUND STORAGE TANK REMOVAL <br /> Two USTs were removed from the site on 31 October 1996 (Figure 2) The dispensers and product <br /> line(s)were removed during excavation of the USTs Both tanks and associated dispenser had been <br /> utilized for gasoline After being removed, the tanks were visually inspected and appeared to be <br /> intact, with no holes or extensive corrosion noted <br /> Total petroleum hydrocarbons quantified as gasoline (TPH-g), purgeable aromatics (benzene, <br /> toluene, ethylbenzene and total xylenes BTEX) and methyl tertiary butyl ether (MTBE) were <br /> present in each of the samples analyzed in concentrations exceeding the method detection limits <br /> TPH-g was detected in the soil samples has high as 3,400 milligrams per kilogram (mg/kg) <br /> BTEX and MTBE compounds were detected as high as 430 mg/kg xylene and 770 mg/kg of MTBE <br /> Total lead was detected at background levels <br /> • <br /> Advanced CeaEnvironmental,Inc <br />