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Advanced <br /> GeoEnvironMI `Inc. = F <br /> (�f Northern California � P2: 53 <br /> 11 August 1997 <br /> AGE-NC Project No. 97-0312 <br /> Ms. Letitia Briggs <br /> SAN JOAQUIN COUNTY PHS-EHD <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, CA 95202 <br /> Subject: Underground Storage Tank Removal <br /> CHIIROKEE TRUCK STOP (Former Delta Truck Sales) <br /> 335 East Cherokee Road, Stockton, California <br /> Dear Ms. Briggs: <br /> The current occupants of the Cherokee Truck Stop, Woolsey Oil Company, plan to vacate the property by <br /> 31 August 1997. We would like to tentative schedule the removal of underground storage tanks (I)STs), <br /> dispensers and piping for 02 September 1997. The tank removal will be performed in accordance\vith the <br /> UST removal work plan and subsequent addendum prepared by AGE and approved by the PHS-EHD. <br /> rs <br /> unlerous soil borings have been installed near the UST and piping locations. Analytical results of soil <br /> amples indicate a'.limited vertical extent of impacted soil in tliearea of the UST and eastern portion of the <br /> ispenser piping. Therefore, limited excavation of impacted soil will be performed during the UST and <br /> iping removal. We anticipate excavation will not exceed ten feet below the bottom of the USTs or dispenser <br /> i im If impacted soil is more extensive than anticipated,excavation will be terminated and alternate plans <br /> for remediation examined. Impacted soil extends to depths of at least 70 feet bsg and is laterally more <br /> extensive at the location of monitoring well UST-1. Therefore, excavation is not planned for his area at the <br /> - <br /> present time. A plan of the site illustrating boring locations is included as Figure 1. Cross section A-A', <br /> running parallel to the dispenser piping, depicts the estimated extent of impacted soil beneath the piping. <br /> Analytical results of soil boring samples are summarized on Table 1. <br /> As the proposed data for the UST removal nears, we will contact your office to'confirm the date and time <br /> for the UST removal. Please contact our Stockton office at (209) 956-0264 if you have any questions or <br /> Comments. <br /> Sincerely, f � <br /> �l <br /> Advanced GeoErivironmental,Inc. <br /> Kevin McKibben <br /> Senior Staff Geologist <br /> cc: Mr. Ellis Cecchini - Cecchini, Cecchini and Giovannoni <br /> Mr. Michael Infurna- PHS-EHD <br /> 1803 West March Lane, Suite A, Stockton,California 95207 <br /> Telephone(209)956-0264 FAX(209)956-0700 <br /> I <br />