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SIERRA <br /> // `II <br /> t! � r <br /> July 22, 1994 <br /> Enuronmental Senices <br /> Brett Hunter <br /> Chevron USA Products Company <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 /> #9-6171, located at 6633 Pacific Avenue in Stockton, California Six wells, MW-2 through MW-7, were <br /> sampled (Figure 1) <br /> On June 16, 1994, 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 16, 1994 in accordance with SES Standard <br /> Operating Procedure - Ground Water Sampling (attached) The field water sampling forms for this event <br /> are included The analyses were performed by GTEL of Concord, California Analytic results for ground <br /> water are presented in Tables 1, 2 and 3 The chain of custody document and laboratory analytic reports <br /> are 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 /> ��Qc�pF ESSIONq Sincerely, <br /> Sierra Environmental Services <br /> LLJ <br /> ::,o Argy M <br /> Staff <br /> C <br /> s .� <br /> fgT�c V l— qF� Chris J Brain <br /> OF 1F Professional Engineer #C48846 <br /> AJM/CJB/lino n . <br /> 14604QM JL4 LAIV <br /> cc Sheldon Nelson, CRTC <br /> Attachments Figure <br /> Tables <br /> SES Standard Operating Procedure <br /> Field Water Sampling Forms <br /> Cham of Custody Document and Laboratory Analytic Reports <br /> P.O. Box 2546 9 Martinez, California 94553 (510) 370 - 1280 <br />