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SAN JOAQUIN COUNTY <br /> ENVIRON'`-"NTAL HEALTH DIVISION <br /> �..� 304 E•..vgber Ave.Third Floor <br /> P.O. Box 388, Stockton,CA 95201-0388 <br /> Phone: (209) 456-3420 <br /> Approved <br /> C3 •provad with changes: See Remarks <br /> IDis,l;z.p,,0v d: See Rema 0� <br /> root/ �� ✓C <br /> at <br /> Data sY <br /> Approval of thesA plans extends only to that <br /> which is shown and described hereon but <br /> does not authorize or approve any omission <br /> or deviation of requirements of State laws or <br /> Local Ordinances. <br /> Advanced <br /> GeoEnvironzt ;Inc . ; <br /> of Norrhern California '� t <br /> 11 August 1997 A_ <br /> AGE-NC Project No.97-0312 <br /> Ms.Letitia Briggs <br /> SARI JOAQUIN COUNTY PHS-EHD <br /> 304 East Weber Avenue,Third Floor <br /> Stockton,CA 95202 <br /> Subject: Underground Storage Tank Removal <br /> CHIEROKEE TRUCK STOP(Former Delta Truck Sales) <br /> 3535 East Cherokee Ruad,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 ISTs), /�/� <br /> dispensers and piping for 02 September 1997.The tank removal will be performed in accordance with the 1 /V <br /> UST removal work plan and subsequent addendum prepared by AGE and approved by the PHS-EHD. I <br /> t !//A/�1—VAI <br /> Gn <br /> Numerous soil borings have been installed near the UST and piping locations.Analytical results of soil <br /> samples indicate a limited vertical extent of impacted soil in the area of the UST and eastern portion of the pn <br /> dispenser piping.Therefore limited excavation of impacted soil will be performed Burin the UST and V <br /> al, <br /> piping removal.�Ve antici ate v t wl c I w e r i nser <br /> piping.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 /> 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 dais for the UST removal nears_tine will contact your office to Confirm rile date and time <br /> for the UST removal.Please contact our Stockton office at(209)956-0264 if Nou have any questions or <br /> comments. <br /> Sincerelv, gJ <br /> Advanced GeoEnvironmental,Inc. <br /> Kevin McKibben /►/V w <br /> Senior Staff Geologist l <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 />