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! • <br /> i Additional Site Assessment Work Plan <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 additional site assessment for the property at 2353 Toste Road In Tracy, <br /> California The scope of work includes the installation of three ground water morutoring wells, <br /> advancement of five cone penetrometer testing(CPT) soil borings and collection of soil and ground <br /> water samples The location of the site is illustrated in Figure 1 A plan of the site is illustrated in <br /> Figure 2 <br /> This work plan is prepared as required by the San Joaquin County Public Health Services - <br /> Environmental Health Division(PHS-EBD)by letter dated 09 August 2000 and in accordance PHS- <br /> EHD and Central Valley Regional Water Quality Control Board guidelines for the investigation of <br /> underground storage tank (UST) sites <br /> 2.0. BACKGROUND <br /> The site is located in a busyness/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 northem <br /> edge of the property lyes adjacent to Interstate 205 and the southern edge is adjacent to 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 present <br /> in each of the samples analyzed in concentrations exceeding the method detection lirmts TPH-g was <br /> 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 of xylene and 770 mg/kg of <br /> MTBE Total lead was detected at background levels <br /> Advanced GeoEnvironmental,Inc <br />