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1 <br /> 1117 Lone Palm Avenue, Suite <br /> Modesto, California 953511 <br /> www.atc-enviro.com <br /> 209.579.2221 <br /> CVAT A Fax 209.579.2225 r <br /> A S S O C I A T E S I N C . - <br /> 1 <br /> 1 <br /> May 4, 2001 <br /> 54.62574.0002 Ori <br /> Mr. Jeff Wong �.'9 <br /> Fr <br /> San Joaquin County Public Health Services D,, <br /> Environmental Health Division <br /> 304 E. Weber Avenue, 3rd Floor <br /> Stockton, CA 95202 <br /> Subject: Addendum to Workplan for Subsurface Investigation at Smiths Canal Pump Plant, <br /> Fontana Street and Smiths Canal, Stockton, California, Site Code 1102 <br /> Dear Mr. Wong: <br /> ATC Associates Inc., on behalf of the City of Stockton, has prepared this addendum to the April <br /> 13, 2001 workplan for performing a subsurface investigation at the subject site (Figure 1). The <br /> original scope of work included drilling five soil borings on the property located at 2142 Fontana I <br /> Avenue in Stockton, California. On April 23, 2001, ATC initiated the field work but we were I <br /> only able to advance three of the five soil borings due to underground utilities located on the site. <br /> Subsequently, two of the borings will be relocated as shown on Figure 2 (attached). One of the <br /> borings had to be relocated to 2144 Fontana Avenue. ATC has completed a permit application <br /> for this boring. The application and associated fee are attached. <br /> The work is currently scheduledfor May 22, 2001. If the drilling subcontractor becomes <br /> available sooner than that we will try to move this date up. ATC will notify PHS/EHD at least 48 <br /> hours prior to beginning any field activities. . The summary report will be submitted to PHS/EHD <br /> approximately four to five weeks after the completion of field activities. <br /> If you have any questions, please contact us at (209) 579-2221. <br /> Respectfully submitted, <br /> ATC Associates Inc. <br /> Jeann" a HomseY, P <br /> Registered Engineer No. C47410 <br /> Attachments <br /> cc: James Giottonini, City of Stockton Public Works Department <br /> Marty Hartzell, RWQCB <br /> w:\62574\62574.02\reports\pumpwkp.doc 1 <br />