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unifirst schedule Page 1 of 1 <br /> Mike Infurna [EH] <br /> From: Amy Terrell [aterrell@waterboards.ca.gov] <br /> Sent: Wednesday, August 29, 2007 5:42 PM <br /> To: saquilino@unifirst.com <br /> Cc: William Pipes; gbibler@goodwinprocter.com; tcosgrave@harvardprojects.com; Mike Infurna [EH] <br /> Subject: unifirst schedule <br /> Mr.Aquilino, <br /> I have received the 13 August 2007 letter"Revisions to the Additional Groundwater Investigation Work Plan,Unifirst <br /> Facility,Stockton,California"prepared by Mr.William Pipes of Geomatrix Consultants. The letter proposes a revised <br /> schedule to the Additional Groundwater Investigation Work Plan dated 15 April 2007. The revised schedule is a result of an <br /> evolving site investigation. The results of groundwater sampling and cone penetrometer testing shows that delineation could <br /> most efficiently be conducted by expanding the groundwater sampling off-site and including soil vapor sampling on-site. <br /> The expanded investigation necessitates adjusting the initial timetables to accommodate the additional data collection and <br /> analysis. <br /> Regional Water Quality Control Board staff commend UniFirst for recognizing the value of a comprehensive delineation <br /> early in the investigation. This inevitably saves money in the long run. Therefore,Regional Water Board staff concur with <br /> the revised schedule. The revised schedule proposes that the monitoring wells could be installed by about 15 November <br /> 2007,and a groundwater investigation report could be completed by 31 December 2007. <br /> Thank you for the notice,and feel free to contact me if any other major variations of the work plan are necessary. <br /> Amy Terrell <br /> Regional Water Quality Control Board <br /> Central Valley Region <br /> 11020 Sun Center Drive Suite 200 <br /> Rancho Cordova,CA 95670-6114 <br /> (916)464-4680 <br /> 9/28/2007 <br />