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Ms Lori Duncan Project No 880-0391A01010000 <br /> April 19, 2005 <br /> Page 4 <br /> r <br /> CONCLUSIONS <br />' Analytical results for groundwater samples collected from the site were generally consistent with <br /> previous sampling events In general, samples from well MW-4R-D have continued to indicate <br /> declining concentrations Measured groundwater elevations increased between 131 and 160 feet <br /> from the November 15, 2004, sampling event The groundwater elevations during the first quarter <br /> 2005 indicated a trough that trended to the northeast and a general eastward direction of flow <br /> Graphs showing TPHg and benzene concentrations, and groundwater elevations versus time in <br /> wells MW-1R, VW-2, and VW-3 are presented in Appendix D <br /> ' The SVE system was temporarily shut down on October 1, 2004 and has yet to be restarted <br /> Shaw will continue to perform quarterly groundwater sampling The next sampling event is <br /> tentatively scheduled for May 2005 <br /> r <br /> r <br /> 1 <br /> r <br /> r <br /> r <br /> r <br /> i <br /> r <br /> N\sac DP120051Prj188018800391 A 5ac doc SHAW ENVIRONMENTAL, INC <br />