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07/17/95 17:24 $'310 532 6022 CEffI LOS ANGELES @003 <br /> of the excavation, at approximately 14-fleet deep in the north-east portion of excavation (adjacent <br /> to Tank B), from a location exhibiting visual and olfactory characteristics of fuel oil. This soil <br /> sample was submitted for laboratory analyses utilizing BPA Test Method 82+40 for volatile <br /> organics, EPA Test Method 8080 for PCBs only, EPA Test Method 8100/8310 for polynuclear <br /> aromatic hydrocarbons, and EPA Test Method.6010,1000 Series for Title 26 Metals. In addition,. <br /> soil sample T2-621' (below Tank B) was analyzed for Title 26 Metals. Results of these <br /> additional analyses are expecte on July 25, 1995, at which time an addendum to this letter will <br /> be forwarded to the San Joaquin County Public Health Services, Environmental Health Division <br /> (PHS BHD). <br /> CEMI will send the PHS-EHD under separate cover a Work Plan for further subsurface <br /> assessment, which will include a soil investigation of the lateral and vertical extent of soil <br /> impacts. In addition, the Work Plan will discuss the installation, development and monitoring <br /> of a groundwater nxi toring well downgradient of the former UST excavation to assess possible <br /> groundwater impacts at the site. <br /> If you have any questions regarding this matter, please do not hesitate to .contact the <br /> undersigned. We appreciate the opportunity to be of service. <br /> Respectfully Submitted, <br /> two- <br /> William W. Millar, R.G. Larry M. Harlan <br /> Senior Geologist Project Geologist <br /> Attachments <br /> cc: Wil Uclusin/GSA <br /> Ando Merendi/GSA <br /> Christopher Corpus/GSA <br /> Darril dela TorrelAbide International <br /> Project file <br /> ENvtcsw►2403c.20wc.E►BnriAr XTJK <br />