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AUG 16 '931 mx ++ <br /> AL3gust 2, 1993 <br /> Brett Hunter <br /> Chevron USA <br /> P O Box 5004 <br /> San Ramon, CA 94583 <br /> Re Chevron Service Station #9-6171 <br /> 6633 Pacific Avenue <br /> Stockton California <br /> SES Project #1-146-04 <br /> Dear Mr Hunter <br /> This report presents the results of the quarterly ground water sampling at Chevron Service Station <br /> #9-61.71, located at 6633 Pacific Avenue in Stockton, California Five wells, MW-2 through MW-6, were <br /> sampled (Figure 1) <br /> On June 28, 1993, SES personnel visited the site Water level measurements were collected in <br /> all site wells and all wells were checked for the presence of free-phase hydrocarbons Free-phase <br /> hydrocarbons were not present in any of the site wells Water level data are shown in Table 1 and <br /> ground water elevation contours are included on Figure 1 <br /> The ground water samples were collected on June 28, 1993 in accordance with SES Standard <br /> Operating Procedure - Ground Water Sampling (attached) All analyses were performed by GTEL of <br /> Concord, California Analytic results for ground water are presented in Tables 2, 3 and 4 The chain of <br /> custody document and laboratory analytic reports are attached SES is not responsible for laboratory <br /> omissions or errors <br /> Thank you for allowing us to provide services to Chevron Please call if you have any questions <br /> �o o�pF E S S Sincerely, <br /> Sierra Environmental Services <br /> d�F iit�n <br /> � <br /> `t Staf�viro Scientist <br /> C v�C C> Chris J Bramer <br /> Professional Engineer #C48846 <br /> REH/CJB/me <br /> 14604QM JL3 <br /> Attachments Figure <br /> Tables <br /> SES Standard Operating Procedure <br /> Chain of Custody Document and Laboratory Analytic Reports <br /> PO Box 2546 • Martinez, California 94553 (510) 370 - 1280 <br />