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Quarterly Sampling <br /> Monitoring Wells MW-1 through MW-4 and VEW-1 were sampled and analyzed for Total Purgeable <br /> Petroleum Hydrocarbons quantitated as gasoline (TPPH) according to EPA Method 8015 (Modified), <br /> benzene, toluene, ethylbenzene, and xylenes (BTEX), and methyl-tertiary-butyl-ether (MTBE) <br /> according to EPA Method 8020. Additionally, a duplicate sample and an equipment blank were <br /> prepared and analyzed for quality control purposes. <br /> Field monitoring data and chemical analytical data are summarized in Table 1. Blaine's ground water <br /> monitoring report is presented in Appendix A. <br /> i <br /> Conclusions <br /> Chemical concentrations in ground water have remained consistent with historical data. <br /> Recommendations <br /> Cambria recommends that ground water monitoring and reporting continues under the established <br /> program. <br /> If you have any questions regarding the contents of this document, please call. <br /> Sincerely, <br /> Cambria Environmental Technology, Inc. <br /> Mike MuFphy <br /> Project Scienti pVESSIp <br /> LUi Gl< <br /> Diane M. Lundquist, P.E. <br /> Principal Engineer No.0467251 <br /> C46725 Crv11%L <br /> OF CAU4a� <br /> .,1 <br /> 240-0837 2 <br />