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////7APEX <br /> E N Y I R 0 T E C H INC . 7844 Madison Avenue,Suite 106 - Fair Oaks,CA 95628 <br /> 1.800.242.5249 - Ph.916.535.0200 - Fax 916.535.0207 <br /> June 27, 1997 ENVIRONMENTAL, HEALTH DIVISION <br /> 304 E. Weber Ave.Third Floor <br /> P. O. Box 388, Stockton CA 95201-0388 <br /> Mr. Jerry Moore Approved $os,, p te5 +6 Ie <br /> tTy Denied ❑ c�d�1, 1za�al[ nAAI�Zc-14rEDC. <br /> Moore Petroleum, Inc. Conditions V,61 a-V tga sh�.t a Place <br /> 5491 "F" Street w (4xIr\ I o� {5, +1-.e CL e.,se� <br /> Banta, California 95304 Date 1-1 . by ``" , <br /> Subject: Confirmation Soil Boring Workplan <br /> Moore Petroleum, Inc. <br /> 14800 West Frontage Road, Manteca, California <br /> Apex Project No. ERA02.009 <br /> Mr. Moore: <br /> Apex Envirotech, Inc. (Apex), is pleased to provide Moore Petroleum, Inc. (Moore Petroleum) <br /> with this Confirmation Soil Boring Workplan for the above-referenced property. A site location <br /> map is presented as Figure 1. <br /> BACKGROUND <br /> Apex began work at this site on June 14, 1995, after the groundwater monitoring conducted on <br /> May 9, 1995, by Emcon_ Prior to Emcon, work conducted at the site included subsurface <br /> investigations and groundwater monitoring by Delta Environmental Consultants, Inc., of Rancho <br /> Cordova, Nations Groundwater Associates of Sacramento, and Aegis Environmental, Inc. <br /> (Aegis), of Roseville, California. Site details may be found in a "Quarterly Groundwater <br /> Monitoring Report," dated April 14, 1995, submitted to Moore Petroleum by Emcon. <br /> In early 1995, Emcon installed a soil vapor extraction system and a groundwater treatment system <br /> at the site. The soil vapor extraction system consisted of a Remediation Service, Int'i Spray <br /> Aeration Vapor Extraction (S.A.V.E.) and was installed per San Joaquin Valley Unified Air <br /> Pollution Control District (SJVUAPCD) permit conditions. The vapor extraction system consists <br /> of an internal combustion engine with catalytic converters mounted on the�exhaust pipe. On <br /> November 27, 1996, Moore Petroleum received a Ietter from San Joaquin County Environmental <br /> Health Division giving their approval to shut down the vapor extraction system due to low <br /> hydrocarbon extraction rates. To date, the vapor extraction system has extracted approximately <br /> 2,390 lbs. ofTPH, as gasoline, and 7.8 lbs. of benzene. <br />