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� CAMBRIA <br /> address SJCPHSIEHD's request, Cambria prepared a table which shows well gauging dates, <br /> groundwater flow directions, and groundwater gradients (Table 1, mentioned above) <br /> SJCPHS/EHD's letter also stated that the site investigation report was due Apnl 19, 2002, a site <br /> investigation work plan is due June 5, 2002, and an interim remediation work plan is due <br /> June 22, 2002 <br /> ANTICIPATED SECOND QUARTER 2002 ACTIVITIES <br /> Blaine will gauge and sample the site wells according to the existing sampling schedule and j <br /> tabulate the data Cambna will prepare a groundwater monitoring report <br /> Cambria submitted a Site Investigation Report and Site Conceptual Model on April 18, 2002 As <br /> requested, Cambria will submit a site investigation work plan an June 5, 2002 and an interim <br /> remediation work plan on June 22, 2002 <br /> CONCLUSIONS AND RECOMMENDATIONS <br /> • Groundwater flow direction this quarter is toward the east-southeast There have been historical <br /> fluctuations in the groundwater flow direction at this site, although the groundwater gradient is <br /> virtually flat <br /> Cambria recommends that analyses for the lead scavengers 1,2-dichloroethane and 1,2- <br /> dibromoethane be discontinued Neither of these constituents have been detected in groundwater <br /> from the site wells Cambna will implement this change during the third quarter 2002 sampling <br /> event, with permission from SJCPHS/EHD <br /> 0955 2 <br />