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a <br /> era vrroso <br /> First Quarter Sampling <br /> Monitoring Wells MW-1 through MW-3 were sampled and analyzed for Total Purgeable <br /> Petroleum Hydrocarbons (TPPH) according to EPA Method 8015 (Modified), and <br /> benzene,toluene, ethylbenzene and xylenes (BTEX) and methyl-tertiary-butyl-ether <br /> (MTBE) according to EPA Method 8020 Well MW-3 was also analyzed for MTBE <br /> according to EPA Method 8260 Additionally, a duplicate sample and an equipment blank <br /> were prepared and analyzed for quality control purposes <br /> Field monitoring data and this quarter's chemical analytical data for TPPH and BTEX are <br /> summarized in Table 1 Blaine's quarterly ground water monitoring report is presented in <br /> Appendix A <br /> If you have any questions regarding the contents of this document, please call <br /> Sincerely, <br /> Enviros, Inc <br /> I <br /> Greg L Vaughan <br /> i Staff Engineer �oQ4��$S►py�� <br /> Diane M Lundqu P E Jv N0 C46T25 <br /> Senior Engineer X CIVIL N. <br /> Tf OF CAL�F4� <br /> Attachments <br /> i <br /> Table 1 Well Concentrations <br /> Plate 1 Vicinity Map <br /> Plate 2 Ground Water Elevation/Benzene Concentration Map <br /> Appendix A <br /> I <br /> Blaine Quarterly Ground Water Monitoring Report <br /> cc Ms Mary Meays, San Joaquin County Environmental Health Division <br /> Ms Elizabeth Thayer, Central Valley Regional Water Quality Control Board <br /> J E McNellis, Property Owner <br /> 96377 2 <br />