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J <br /> Quarterly Sampling <br /> Monitoring Wells MW-1 through MW-3 were sampled and analyzed for Total Purgeable Petroleum <br /> Hydrocarbons quantitated as gasoline (TPPH) and the oxygenate methanol according to EPA <br /> Method 8015 (Modified), benzene, toluene, ethylbenzene, and xylenes (BTEX), and methyl-tertiary- <br /> butyl-ether (MTBE) according to EPA Method 8020, and the fuel oxygenates MTBE, ethanol, <br /> terhary-butanol, di-isopropyl ether (DIPS), ethyl tertiary-butyl ether (ETBE), and tertiary-amyl <br /> methyl ether (TAME) by EPA Method 8260 Additionally, a duplicate sample and an equipment <br /> blank were prepared and analyzed for quality control purposes <br /> Field monitoring data and chemical analytical data are summarized in Table 1 Blaine's quarterly <br /> ground water monitoring report is presented in Appendix A <br /> On December 16, 1997 Cambria implemented Enviros' February 1996 SJCEHD approved work plan <br /> Cambria will submit the report upon review of the analytical data <br /> If you have any questions regarding the contents of this document, please call <br /> Sincerely, <br /> Cambria Environmental Technology, Inc <br /> Thomas Magne <br /> Project Geologist �DQRpFEWOV <br /> Diane M Lundquist, P E <br /> Senior Engineer N0. C46725 <br /> C46725 sl CIVI <br /> 9jf OF CA \i <br /> Attachments <br /> Table 1 Well Concentrations <br /> Plate 1 Vicinity Map <br /> Plate 2 Ground Water Contour/Chemical Concentration Map <br /> Appendix A <br /> Blaine Tech Services, Inc - Quarterly Ground Water Monitoring Report <br /> cc Ms Mary Meays, San Joaquin County Environmental Health Division <br /> Ms Pat Anderson, Central Valley Regional Water Quality Control Board <br /> J E McNellis, Property Owner <br /> 377 2 <br />