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M. Scott Mansholt <br /> -2 - 16 EDO August 2004 <br /> RF'CZV <br /> ChevronTexaco Former TAOC Tracy Pump Station 2004 <br /> ASG 1 <br /> Based on our review we have the following comments: �NN'iEN� NENLTN <br /> ENPERMIj ISER`�I�'�ES <br /> • Quarterly groundwater monitoring and sampling should continue until the additional soil and <br /> groundwater investigation, approved by Regional Board staff 3 June 2004, is completed and the <br /> findings reviewed. <br /> • Please tabulate and include in future reports, the volume of floating product removed from the <br /> wells each quarter, including the cumulative totals for each well. If available,provide an <br /> estimated volume removed for each well since thickness measurements and product removal <br /> began. . <br /> Beginning with the Third Quarter 2004 sampling and monitoring report, or the soil and groundwater <br /> investigation report, whichever comes first,please implement corrective measures that addresses the <br /> deficiencies discussed above. <br /> If you have any questions please call Dean Hubbard at(559) 445-5179. <br /> l <br /> e <br /> SHELTON R. GRAY C. DEAN HUBBARD <br /> Senior Engineering Geologis Engineering Geologist <br /> RG 6357 <br /> cc: Michael Infurna, Jr., San Joaquin County EHD, Stockton <br /> Jim Levy, UPRR, Sacramento <br /> Gary Foote, Geomatrix, Oakland <br />