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en viroso <br /> Quarterly Sampling <br /> Monitoring Wells MW-2 through MW-8 and RW-lA were sampled and analyzed for Total <br /> Purgeable Petroleum Hydrocarbons quantitated as gasoline (TPPH) according to EPA <br /> Method 8015 (Modified), and benzene, toluene, ethylbenzene, and xylenes (BTEX), and <br /> methyl-tertiary-butyl-ether(MTBE) according to EPA Method 8020 Additionally, a <br /> duplicate sample and an equipment blank were prepared and analyzed for quality control <br /> purposes <br /> Field monitoring data and chemical analytical data are summarized in Table 1 Blaine's <br /> quarterly ground water monitoring report is presented in Appendix A <br /> Quarterly monitoring, sampling, and reporting will continue on the established schedule for <br /> the next quarter <br /> If you have any questions regarding the contents of this document, please call <br /> Sincerely, <br /> Enviros, Inc <br /> Matthew E Donohue <br /> Projec Engineer <br /> �oQ�9F�ssrny4� <br /> Diane M Lundquist, <br /> Senior Engineer N4 046725 . <br /> C46725 sl C10- <br /> gTfOF CAI�F�� <br /> Attachments <br /> Table 1 Well Concentrations <br /> Plate 1 Site Vicinity Map <br /> Plate 2 Ground Water Contour/Benzene Concentration Map <br /> Appendix A <br /> Blaine Tech Services, Inc - Quarterly Ground Water Monitoring Report <br /> cc Mary Meays, San Joaquin County Public Health Services <br /> Elizabeth Thayer, Regional Water Quality Control Board,Central Valley <br /> Region <br /> 97371 2 <br />