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a • �y <br /> SWTH <br /> ethylbenzene, and xylenes (BTEX) and TPHg by EPA methods 8020 and modified 8015, <br /> respectively Laboratory analyses detected elevated concentrations of petroleum <br /> hydrocarbons in the samples collected from wells MW2, MW3 and MW4 The laboratory <br /> method detection levels of BTEX and TPHg were 0 50 and 50 ppb, respectively Results are <br /> generally consistent with historical levels Analytical results are summarized in Table 2 <br /> Laboratory reports and chain-of-custody documentation are presented in Attachment 2 <br /> If you have any questions regarding this protect, please contact Tom Lutterman at our <br /> Escalon office (209) 838-3507 <br /> Sincerely, <br /> Smith Environmental Technologies Corporation <br /> 61/te,r„� vers. A-6— <br /> Drew Van Allen <br /> Staff Scientist <br /> Tom J Lutterman ` <br /> . Protect Geologist <br /> � t Y <br /> Jeanne Homsey, P E <br /> EY,-, <br /> CA Registered Civil Engineer No C 47410 <br /> Attachments <br /> Table 1 Summary of Groundwater Monitoring <br /> Table 2 Summary of Laboratory Analyses <br /> Figure 1 Site Location Map <br /> Figure 2 Groundwater Gradient Map <br /> Attachment 1 Well, Purge Logs <br /> Attachment 2 Laboratory Data Sheets and Chain of Custody <br /> cc Ms Donna Gardner <br /> Mr Ron Rall, SJCUMD <br /> Ms Elizabeth Thayer, RWQCB <br /> • 1500811QUARTLYI2QR-1995 DOC <br />