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SIERRA <br /> IPPR 3 0'93] M <br /> MM fiym +)Apnl 23, 1993 <br /> Kenneth Kan F_NVIR0N'IIr7"P3Tr"%L V)(=AITH <br /> Chevron USA PERM IT/S,'_"I WICES <br /> P O Box 5004 <br /> San Ramon, CA 94583 <br /> Re Chevron Service Station #9-0959 <br /> 103 W 11th Street <br /> Tracy, California <br /> SES Project #1-299-04 <br /> Dear Kan <br /> This report presents the results of the quarterly ground water sampling at Chevron Service Station <br /> #9-0959, located at 103 W 11th Street in Tracy, California Three wells, MW-1 through MW-3, were <br /> sampled (Figure 1) <br /> On March 23, 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 March 23, 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 Table 2 The chain of custody <br /> document and laboratory analytic reports are attached SES is not responsible for laboratory omissions <br /> or errors <br /> Thank you for allowing us to provide services to Chevron Please call if you have any questions <br /> pRQ V F S SIQN Sincerely, <br /> h�4t`O 5 �. 8 q/<<*, Sierra Environmental Services <br /> _�4z <br /> 1��eoA <br /> LLj � r" Argy ena <br /> C88.46 <br /> $4 SWrer <br /> s ss� <br /> ---�Q CP #C48846 <br /> AJM/CJB/dcp <br /> 29904QM AP3 <br /> Attachments Figures <br /> Tables <br /> SES Standard Operating Procedure <br /> Chain of Custody Document and Laboratory Analytic Reports <br /> P.O. Box 2546 Martinez, California 94553 9 (510) 370 - 1280 <br />