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WESTERN 1386 EAST BLAMER STREET <br /> GEO-ENGINEERS <br /> WOODLAND CA 95776-61303 <br /> WHO — (530) 668-5300, <br /> CALIF CONTRACTOR#1513857 FAX(530)662-0273 <br /> REGISTERED GEOLOGISTS wege@mother cam <br /> Mr Michael J Infurna Jr April 6, 2000 <br /> Senior REHS <br /> Leaking Underground Fuel Storage Tank Program <br /> San Joaquin County Public Health �1 `- i`��/7 <br /> Environmental Health Division (PHS-EHD) <br /> 304 East Weber Ave , Third Floor APR 01 2000 <br /> Stockton, CA 95202 <br /> (209) 468-3454 ENV1RONNiENTAL HEALTH <br /> PERMIT 1 SERVICES <br /> RE Ovei-excavation of gasoline contaminated soils associated with the dispensing system loi <br /> Foinnei Regal Station, located at 6425 Pacific Avenue, Stockton, California 95207 <br /> Dear Mr Infurna <br /> INTRODUCTION <br /> Lincoln Village Properties has taken ownership of the three existing upgraded underground storage <br /> tanks (USTs) Lincoln Village Properties intends to lease the site to Prestige Oil who will operate <br /> the site as a gasoline service station On February 23, 2000, W A Craig Inc contracted by Prestige <br /> Oil , removed the existing dispensing system for preparation of upgrade the existing UST <br /> dispensing system (product delivery piping and dispenser areas) Prior to removal of the existing <br /> piping system, Mr Michael Kith, R E H S Environmental Health Division, Public Health Services, <br /> San Joaquin County inspected the uncovered but still in-place piping for defects and probable areas <br /> to be sampled A Western Geo-Engineers geologist working directly under California Registered <br /> Geologist #3037 obtain the required documentation soil samples from beneath the removed piping <br /> and from beneath each dispenser under the supervision of Mr Kith Old abandon product piping <br /> was discovered during the above mentioned sampling, along with gasoline contaminated soil <br /> beneath the southern and southern central dispenser island areas Pre-approval foi limited over- <br /> excavating had been obtained (see Appendix A) along with the required workplan necessary to <br /> perform limited over-excavating if contamination was found Discovery and documentation of <br /> contaminated soils occurred on February 25, 2000 Over-excavation commenced after obtaining <br /> certified laboratory results on March 1, 2000, under the guidance of Mr Michael Infurna, R E H S <br /> Environmental Health Division, Public Health Services, San Joaquin County, see Figures 3 and 4 — <br /> Site map and Sample Location Figure <br /> R-603 over-ex 4-2000 <br />