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C A M B R I A <br /> RECOMMENDATIONS <br /> Cambria recommends the newly installed wells be sampled every quarter and analyzed for TPHg, <br /> BTEX, MTBE, TBA, and 1,2-DCA Groundwater flow direction and gradient should be <br /> monitored for at least one year to establish seasonal hydrogeologic trends before any additional <br /> investigative work(if warranted)is proposed at this site '�- aA',,— <br /> Cambria recommends performing a more detailed sensitive receptor survey to augment the well <br /> survey research performed by Wayne Perry, Inc and reported in their February 7, 200 work <br /> plan VET <br /> CLOSING <br /> If you have any questions regarding the contents of this document, please call Joe Neely at (707) <br /> 933-2361 <br /> Sincerely, <br /> • Cambria Environmental Technology, Inc. <br /> Susan Lukaszewicz <br /> Staff Geologist <br /> �QH W N GCi <br /> Joe W Neely,RG <br /> Senior Project Geologist <br /> RG 6927 No 692 <br /> �9 OF CAUN, <br /> Attachments <br /> Table I Well/Bonng Data <br /> Table 2 Soil Analytical Data <br /> Table 3 Grab Groundwater Analytical Data <br /> Figure 1 Site Vicinity Map <br /> Figure 2 Site Map <br /> Figure 3 Groundwater Contour/Chemical Concentration Map <br /> Figure 4 Soil and Groundwater Chemical Concentration Map <br /> • <br /> 1660 7 <br />