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. � w <br /> �CAM BRIA <br /> tertiary amyl methyl ether were also detected in all three wells, at concentrations ranging from 60 <br /> to 660 ppb and 6 7 to 42 ppb, respectively No other fuel oxygenates or lead scavengers were <br /> detected <br /> Cambria recommends continued quarterly monitoring and sampling to establish the predominant <br /> groundwater flow direction beneath the site and to monitor the oxygenate concentrations in <br /> groundwater Cambria received SJCPHS/EHD's July 3, 2001 correspondence approving our <br /> July 3, 2000 Response LetterlSite Investigation Work Plan We will implement this work plan <br /> and notify SJCPHS/EHD of the field work schedule <br /> CLOSING <br /> If you have any questions regarding the contents of this document, please call Aubrey Cool at <br /> (707) 933-2368 <br /> Sincerely, <br /> Cambria Environmental Technology, Inc <br /> Lish Summers <br /> Staff Scientist pW GSp <br /> QN HF 0s <br /> Joe W Neely, RG <br /> Senior Project Geologist No 6927 ° <br /> RG 6927 <br /> �9 <br /> Attachments �OFCALIC'O <br /> Table 1 Additional Groundwater Analytical Data <br /> Figure 1 Site Vicinity Map <br /> Figure 2 Groundwater Contour/Chemical Concentration Map <br /> Appendix A Blaine Tech Services, Inc —Groundwater Monitoring Report <br /> cc Ms Karen Petryna, Equiva Services LLC <br /> Mr Marty Hartzell, Central Valley Regional Water Quality Control Board <br /> • <br /> 0955 2 <br />