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Quarterly Sampling <br /> Monitoring Wells MW-1A, MW-2A, and MW-3A were sampled and analyzed for Total Purgeable <br /> Petroleum Hydrocarbons quantitated as gasoline (TPPH) and methanol according to EPA Method <br /> 8015 (Modified), and benzene, toluene, ethylbenzene, xylenes (BTEX) and methyl-tertiary-butyl- <br /> ether (MTBE) according to EPA Method 8020 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 ground water <br /> monitoring report is presented in Appendix A <br /> A well survey was initiated during the fourth quarter of 1997 and consisted of reviewing California <br /> Department of Water Resources files The receptor survey and review of the Chevron site files will <br /> be completed during the first quarter of 1998 <br /> Sampling and reporting will continue on the established schedule <br /> If you have any questions regarding the contents of this document, please call <br /> Sincerely, <br /> Cambria Environmental Technologies, Inc <br /> C <br /> V04"t A <br /> Thomas Magney <br /> Project Geologist Q�OFESSIpyq <br /> -4�4'=�,�� LU,y��iy� <br /> G x <br /> v <br /> Diane M Lundquist, P E NO 046725 x} <br /> Principal Engineer it <br /> C46725 fjgTfC101 <br /> CA�,����\� <br /> 240-0813 2 <br />