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9 aF <br /> f3 <br /> INTRODUCTION <br /> � r <br /> GENERAL. STATEMENT <br /> �•a <br /> This report documents the results of an additional site assessment <br /> conducted by Steal, Gardner & Dunne <br /> Inc. (SGD) at the Color Spot, Inc, facility <br /> (site) located at 5400 East HorneLane <br /> r <br /> y . Lodi, California (refer to Figure 1 <br /> Site Location Map), . <br /> i <br /> ? PURPOSE AND SCOPE <br /> The Purpose of this supplemental site assessment was to evaluate a <br /> y <br /> portion of the site for the vertical and later <br /> and to determine if ground ware. -al extent of soil contamination, <br /> 4 r has been contaminated by the inadvertent release <br /> I of diesel fuel at the site. The scope of work was developed in conformance with <br /> PM State Water Resources Control Board (SWRCB) beaking Underground Field Tank (LUFT <br /> Field Manual ) - <br /> guidelines and in conjunction with Ms, Darlene Reuss, of the County r <br /> r of San Joaquin Local Heath District (SJLHD <br /> included the following tasks; The supplemental site assessment <br /> Preparation of a technical <br /> work plan to coordinate the field <br /> work with the applicable regulatory agencies including the <br /> i SJLHD"and the Regional Water ; <br /> g Quality Control Board (RWQCB) <br /> Central Valley Region.64 <br /> . <br /> Drilling and sampling of four soil burin s to de <br /> F° z from 30 to 90 feat below ground surface (b Pths ranging <br /> gs <br /> ` to uate the <br /> fix.'I vertical and:lateral extent of soil contamination.eval <br /> r <br /> of one of the soil borings to a Completion water monitoring well <br /> to evaluate the presence of ground water contamination, i <br /> Chemical analysis of selected soil and <br /> 1 le <br /> for fuel fingerprint identification, togalupetroleumnd water shmdre�s <br /> carbons (TPH), and benzene, Y <br /> rr xylenes (BTEX) usingtoluene, ethyibenzene, and total <br /> , a fuel EPA methods 8240, modified for diesel <br /> 5, (soil) and 524,2, modified for diesel <br /> Total lead was also analyzed using EPA method fuel (water). <br /> 7421 (water). s 7420 (soil) and <br /> irc <br />