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centerline of the tank approximately 5 feet beneath the tank bottom. Boring orientation, <br /> location, and length are shown on Figure 3. The results of the initial phase of investigation were <br /> presented in a report entitled, "Underground Fuel Tank Abandonment Contaminant Assessment <br /> ' Report," dated July 30, 1990. <br /> ' Analytical results of soil samples collected from Boring ASB-1 showed significant concentration <br /> of gasoline hydrocarbons at 15.5 and 21 feet along the boring length. This corresponds to <br /> ' approximately 11 and 15 vertical feet below grade, at the fill end of the tank. Laboratory <br /> analysis of soil samples collected from ASB-2 at the opposite end of the tank recorded very low <br /> levels of contamination. The absence of significant contamination at this end of the tank <br /> indicates that soil contamination is localized at the fill end of the tank. Soil contamination at the <br /> ' site is likely due to overspill during routine filling of the tank. Laboratory results are <br /> summarized in Table 1. To fully define the vertical and lateral extent of soil contamination, <br /> ' further investigation was required. A workplan for further investigation was included in the July <br /> 30, 1990 Assessment Report and an addendum dated December 2, 1990. <br /> 2.0 TECHNICAL DATA <br /> ' 2.1 Name and Address of Site, Tank Owner, and Contact Person <br /> Site and Tank Owner: BJJ Company, Inc. <br /> ' P.O Box 30010 <br /> Stockton, CA 95213-0010 <br /> ' Contact Person: Mr. Nick Kosta <br /> (209) 941-8361 <br /> 1 2.2 Map showing Site Location relative to nearby landmarks - <br /> ' The site location is shown on Figure i <br /> ' 2.3 Layout of the Underground Tank and Piping System <br /> The approximate location of the tank and piping system is depicted on Figure 2. <br /> f <br /> ' WJSRln NIC 2 <br />