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/PAPEX 11244 Pyriles Way • Gold River,CA 95670 i <br />{ E N Y I R O T E C H , I N Phone 916.851.0174• fax?l 6,851.0177• Toil Free 1.800.242.5249 <br /> March 30, 2006 F5 Ilk <br /> APP, 1 9 2006 <br /> Mr. Nuel .Henderson <br /> San Joaquin County Environmental Health Department ENVIRONMENT HEALTH <br /> 304 East Weber Avenue, 3rd floor PERMiTiSERKES <br /> Stockton, California 95201 <br /> Subject: Limited Subsurface Site Investigation Results Report <br /> Moore Petroleum Bulk Plant <br /> 5491 F Street, Banta, California <br /> Apex Project#ERA02.004 <br /> Dear Mr. Henderson: <br /> Apex Envirotech, Inc. (Apex) has been authorized by Moore Petroleum (Moore) to provide this <br /> results report in accordance to the San Joaquin County Environmental Health Department <br /> (SJCEHD) letter dated August 16, 2004 regarding the above referenced site (Figure 1). A copy <br /> of the SJCEHD's.letter is included as Appendix A. <br /> This results report has been developed, in part, on the basis of information obtained by Apex <br /> from Moore and the SJCEHD and is subject to modification as newly acquired information may <br /> warrant. <br /> i <br /> BACKGROUND <br /> F <br /> January 14, 1994 - Apex began work on this project with groundwater monitoring. Prior to <br /> Apex, work conducted at the site included subsurface investigations and groundwater monitoring <br /> by Earth Treatment Systems, Inc., of=Manteca, California; Delta Environmental Consultants, Inc., <br /> a of Rancho Cordova, California; Nations Groundwater Associates of Sacramento, California; and <br /> Aegis Environmental, Inc. (Aegis), of Roseville, California. Site details may be found.in the <br /> report titled, Quarterly Groundwater Monitoring Report, dated April 18, 1991, submitted to <br /> Moore by Aegis. <br /> May 5, 1995 - A soil vapor extraction (SVE) system consisting of an R.S.I. SAVETM system was <br /> installed at the subject site. The vapor extraction system was installed per San Joaquin Valley <br /> Unified Air Pollution Control District permit conditions. The SVE system consisted of an <br /> internal combustion engine with catalytic converters mounted on the exhaust. The system was <br /> configured to allow soil vapors to be extracted from either,vapor well VEW-1 and/or monitoring <br /> l <br /> t <br />