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C A M B R I A <br /> Quarterly Sampling <br /> Monitoring Wells MW-1 through MW-7 and VEW-2 were sampled and analyzed for Total <br /> Purgeable Petroleum Hydrocarbons quantitated as gasoline (TPPH) according to EPA <br /> Method 8015 (Modified), benzene, toluene, ethylbenzene, and xylenes (BTEX) and methyl- <br /> tertiary-butyl-ether (MTBE) according to EPA Method 8020, and tertiary-butanol, MTBE, <br /> di-isopropyl ether (DIPE), ethyl-tertiary-butyl ether (ETBE), and tertiary-amyl-methyl <br /> 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 and chemical analytical data are summarized in Table 1 Blaine's ground <br /> water monitoring report is presented in Appendix A <br /> Conclusions <br /> The concentrations of petroleum hydrocarbons and MTBE have remained consistent in <br /> comparison to last quarter's findings <br /> • Recommendations <br /> Site monitoring and sampling will continue according to the established schedule <br /> If you have any questions regarding the contents of this document, please call <br /> Sincerely, <br /> Cambria Environmental Technology, Inc <br /> Mike Murphy <br /> Project Scientist <br /> Q�p4£SSfp� <br /> l_UN� <br /> Diane M Lundquist, P Ern <br /> o <br /> Principal Engineer UJ <br /> C46725 � No 045723 <br /> sy. c'ivt� <br /> r <br /> 240-0854 2 <br />