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wvnw <br /> APP�1e�' Ge�k4ystems 4191-E Power Inn Road,Sacramento, CA 95626 {916}452.2901 <br /> •FREMONT •IRVINE • HOUSTON •BOSTON •SACRAMENTO •CULVER CITY •SAN JOSE <br /> October 25, 1989 <br /> 0822gdem <br /> AGS 86091-7 <br /> Mr. Glenn Dembroff <br /> Ultramar Inc. <br /> 525 West Third Street <br /> Hanford, California 93230 <br /> Subject: Letter report of quarterly ground-watcr monitoring at Beacon Station No.502, <br /> 35 North Cherokee Lana, Lodi, California. <br /> Mr. Dembroff: <br /> At the request of Ultramar Inc. (Ultramar, formerly Beacon Oil Company), we are <br /> presenting this letter report summarizing the methods and results of the quarterly ground- <br /> water monitoring performed by Applied GeoSystems of the subject site. The site is Iecated <br /> on the southwest corner of Noith Cherokee Lane,and Elm Street in Lodi, as shown on the <br /> Site Vicinity Map (Plate P-1). 'The locations of the ground-water monitoring wells and <br /> vapor-extraction; w.oils relative to site facilities''are depicted on the Generalized Site Plan <br /> (Plate P-2). Presrious work at the site by Applied GeoSys#ems is documented in the reports <br /> cited in the Re'e'rences. <br /> A geologist from Applied GeoSystems visited the site on July 21, 1989, to collect ground- <br /> water samples from the five moni.or ing wells for laboratory analysis. The depth to the <br /> '4 ground-water surface was measured and the v:ater was subjectively analyzed in each <br /> monitoring well by procedures outlined in the Field Pri cedures attached to this letter <br /> report. No subjecth a evidence of hydrocarbon contamination was noted. Results of these <br /> and previous subjective analyses are summarized in Table 1. Ground water from each <br /> monitoring well was purged and sampled by procedures outlined in the Field Procedures. <br /> r The field geologist initiated a Chain of Custody Record that accompanied the samples-to- --- <br /> the analyticai laboratory. A copy of that record is attached to this Ietter report. The purge <br /> water from the wells was temprrarily stored onsite in properly labeled, 55-gallon, 17-E <br /> steel drums approved for that use by the Departmeni of Transportation, pending removal <br /> by Ultramar: <br /> I <br /> i• <br />