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California Regional Water Quality Control Board <br /> Central Valley Region <br /> Robert Schneider Chair <br /> Alan C.Lloyd Ph.D. '�#rnold Schwarzenegger <br /> Secretary for Sacramento Main Office Governor <br /> Environmental Internet Address: http://www.waterboards.ca.gov/centralvalley <br /> 11020 Sun Center Drive#200 Rancho Cordova,CA 95670-6114 <br /> Protection Phone(916)464-3291 Fax(916)464-4797 FEB ] c� <br /> ENVtRONA$;_.,�.;1 11F <br /> Mr. Jeff Goold PERM IC 2005 <br /> Shell OPUS <br /> 2555 - 13th Ave SW <br /> Seattle, WA 98134 <br /> REVIEW OF REPORT AND WORK PLAN, FORMER SHELL CRUDE OIL PIPELINES— <br /> MOUNTAIN HOUSE ROAD, TRACY, SAN JOAQUIN COUNTY <br /> Staff of the Central Valley Regional Water Quality Control Board(Regional Board) reviewed the <br /> 16 December 2004 Summary Report(Report) and the 31 January 2005 Workplan for Further <br /> Delineation Investigation (Work Plan) submitted by Clayton Group Services, Inc. on behalf of Shell Oil <br /> Products Company(Shell) for the former Shell Central Valley Crude Oil Pipelines near the intersection <br /> of Mountain House Parkway and Grant Line Road in Tracy(site). The Report summarizes the eight test <br /> pits dug to determine the location of the former pipelines and the 190 soil borings in 13 areas along the <br /> former pipelines. Based on the soil sampling results from the borings, Shell submitted the Work Plan. <br /> The Work Plan proposes 38 borings to collect soil and grab groundwater samples to delineate the extent <br /> of petroleum hydrocarbon pollution in soil and groundwater. <br /> We have the following comments on the Report: <br /> 1. Some figures in the Report, such as Figure 4a, do not include a legend. All figures must include a <br /> legend. <br /> 2. Table 1 in the Report is several pages,but the column header is only shown on the first page. For <br /> future reports containing multiple page tables, Shell must include the column identifier on each page. <br /> 3. The boring logs included in the Report do not list organic vapor analysis (OVA) readings. This <br /> information is helpful for identifying areas of pollution and needed to address any health and safety <br /> concerns. Future boring logs need to include OVA readings. <br /> Regional Board staff concurs with the Work Plan. By 13 May 2005,please provide an investigation <br /> report as proposed in Section 4.0 of the Work Plan. If you have any questions you may contact me at <br /> (916) 464-4719 or dlewis@waterboards.ca.gov. <br /> lvej <br /> DEVRA LEWIS <br /> Environmental Scientist <br /> cc: Mr. Michael Infurna, San Joaquin County Environmental Health Department, Stockton <br /> Mr. Erik Teed-Bose, Trimark Communities LLC, Tracy <br /> Mr. Michael Hurd, Clayton Group Services,Pleasanton <br /> Mr. Ron Skaggs, Condor Earth Technologies, Inc., Stockton <br /> California Environmental Protection Agency <br /> 01 Recycled Paper <br />