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Four sites have had directives issued to conduct a vapor intrusion evaluation or soil gas <br /> investigation to address the final concern holding up closure consideration: <br /> • 2315 N. California Street <br /> • 466 E. Moffat Boulevard <br /> 2353 Toste Road," <br /> • 15 E. Grant Line Road. <br /> One site has had additional investigation conducted to be sure the plume has been <br /> properly delineated; a report of findings has not yet been submitted. With favorable <br /> results the closure process will be initiated: <br /> • 106 Second Street. <br /> One site has an approved work plan to perform soil vapor extraction on one well to <br /> reduce a localized contaminant mass, but that work has not yet been implemented: <br /> • 3400 Newton Road. <br /> One site has been undergoing rebound testing following a groundwater extraction pilot <br /> test: <br /> • 15406 Tracy Boulevard. <br /> While the latter seven sites pose the greater closure challenges at this time, barring any <br /> surprises, none is expected to require significantly more work or investigation. With the <br /> exception of the 466 E. Moffat Boulevard site, our estimated time to complete the <br /> closures for these sites varied from"6 to 9 months" to 12 months, in the response to Bob <br /> Trommer. The Moffat site estimate was 3 to 6 months. Although my timeframe <br /> estimates may be off for some sites, I believe that with timely responses by the RPs and <br /> their consultants, coupled with favorable results, we should be able to get these sites <br /> closed this year. I will keep you informed of progress and problems. <br /> r <br /> i <br />