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h <br /> P`� � � �•, 1117 Lone Palm Avenue <br /> Suite <br /> Modesto. CA.953511 <br /> 209.579.2221 <br /> H �, IIF Fax 209.579.2225 <br /> •,i- ;.,� .t-fir <br /> A S S Q C i A T E SI N C <br /> A <br /> June 28, 1999 <br /> 62500 <br /> �, <br /> Mr. Jeff Wong <br /> San Joaquin County Public Health <br /> Services, Environmental Health Division <br /> 304 E. Weber Street,Third Floor <br /> Stockton, California 95202. <br /> Subject: ' Workplan :for Additional Subsurface Investigation at Continental Grain, 1805 <br /> E Harbor Street, Stockton, California <br /> Dear Mr. Wong: <br /> ATC Associates Inc. has prepared this workplan, on behalf Continental Grain for the <br /> performance of a subsurface investigation at the above referenced site. The purpose of the <br /> subsurface investigation is to evaluate the horizontal extent of impacted soil and groundwater in <br /> the vicinity of the Burlington North Santa Fe railroad tracks south and southwest of the site. <br /> This work being' done at the direction .of San Joaquin County Public Health Services <br /> Environmental Health Division (PHS/EHD) in correspondence dated 'April 23, 1999. The <br /> proposed scope of work includes obtaining permits and access agreements, advancing up to,eight <br /> soil borings, soil-and groundwater sampling, laboratory analysis of selected soil and groundwater <br /> i samples, and preparing a summary report. The scope of work is described in detail in the <br /> following paragraphs. <br /> SITE LOCATION <br /> The site is located on the.north side of Harbor Street and south of the Deep Water Channel in <br /> Stockton, California,as shown on Figure 1. The location is an industrial area and the site is <br /> currently occupied by Continental Grain. <br /> BACKGROUND. <br /> In January 1988, two 12,000-gallon diesel underground storage tank (USTs), one 10,000-gallon <br /> gasoline UST, one 750-gallon UST, and all associated piping were removed from the locations <br /> shown on Figure 2. One soil sample was collected from beneath the 750-gallon UST and one <br /> soil sample was collected from each end of-the 12,000=gallon and the 10,000-gallon USTs. <br /> Analytical testing indicated the samples collected from beneath the 10,000-gallon and 750-gallon <br /> w:1625001reportslwkpH.doc 1 <br /> ti <br />