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PACIFIC <br /> ENVIRONMENTAL; Al <br /> GROUP INC`' <br /> I <br /> September 13, 1995 <br /> Project 320-153.1A <br /> Mr. Brett Hunter <br /> Chevron U.S.A. Products Company <br /> P.O. Box 5004 <br /> San Ramon, California 94583-0804 <br /> Re: Soil and Groundwater investigation <br /> Chevron U.S.A. Service Station 9-4183 <br /> 236 North Ham Lane at West Lockford Street <br /> Lodi, California <br /> Dear Mr. Hunter: <br /> This letter report, prepared by Pacific Environmental Group, Inc. (PACIFIC) on behalf <br /> of Chevron U.S.A. Pro ducts''Cofnpany (Chevron), presents the results of a soil and <br /> groundwater investigation at,the site referenced above (Figures 1 and 2). The1purpose <br /> of this investigation was to investigate if petroleum hydrocarbons are present in soil and <br /> 0. <br /> groundwater beneath the'site. The investigation was performed in accordance with <br /> PACIFIC's Work Plan dated July 3, 1995, This letter report includes a discussion of site <br /> background, scope of work ''`and findings. <br /> j � it <br /> Field and laboratory procedu'res, boring logs, well elevation data, and Blaine Tech <br /> Services, Inc. (Blaine) well development and well sampling reports including f eld data <br /> sheets are presented as Attachm""nt A. Certified analytical reports and chain-of-custody <br /> documentation are presented as 'Attachment B. The results of an off-site data search are <br /> presented:as Attachment C. <br /> a <br />' SITE BACKGROUND!l <br /> 3 <br /> The.subject site is an operating Chevron service station located at 236 North Ham Lane <br /> rr at West Lockford Street in Lodi;' San Joaquin County, California. The service'';Istation <br /> I; facilities were constructed in,'1969. The site is located on an essentially flat parcel at an <br /> r elevation of approximately 45 feet above mean sea level (MSL). Land use in the site <br /> vicinity is primarily commercial and residential. The nearest surface water to the site is <br /> the Mokelumne River located. approximately 1 mile north of the site (Figure 1)�. <br /> 2025 Gateway-Place, Suite 440, San jose,''California 95110 (408) 441-7500 FAX (408) 441-7539 <br />