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`J October 3, 1994 r� <br /> Kenneth Kan £n%ironmenta 5emces <br /> Chevron USA Products Company <br /> P O Box 5004 <br /> San Ramon, CA 94583 <br /> Re Former Chevron Service Station #9-0959 <br /> 103 W l lth Street <br /> Tracy, California <br /> SES Project #1-299-04 <br /> Dear Mr Kan <br /> This report presents the results of the quarterly ground water sampling at former Chevron Service <br /> Station #9-0959, located at 103 W 11th Street in Tracy, California Three wells, MW-1 through MW-3, <br /> were sampled (Figure 1) <br /> On September 2, 1994, SES personnel visited the site Water level measurements were collected <br /> in 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 i and <br /> ground water elevation contours are included on Figure 1 <br /> The ground water samples were collected on September 2, 1994 in accordance with SES Standard <br /> 00perating Procedure - Ground Water Sampling (attached) The field water sampling forms for this event <br /> are included All analyses were performed by GTEL of Concord, California Analytic results for ground ' <br /> water are presented in Table l The chain of custody document and laboratory analytic reports are <br /> attached SES is not responsible for laboratory omissions or errors <br /> Thank you for allowing us to provide services to Chevron Please call if you have any questions <br /> �o <br /> Q%)F ESSil ql Sincerely, <br /> N Sierra Environmental Services <br /> 0 -�o Agy <br /> Staff Geology <br /> 4 C 04 <br /> C1 V 1�_ <br /> 9TF OF G AJ� Chris J Brargmeer <br /> Professional846 <br /> AML/CJB/lmo <br /> 29904QM OC4 <br />