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T r Page 1 of 1 <br /> " U <br /> Mike Infurna [EH] <br /> } <br /> From: Mike Infurna [EH] <br /> I <br /> Sent: Friday, January 09, 2009 1:38 PM <br /> To: 'Greg McIver' <br /> Subject: RE: Treatment System Shutdown - Del Monte Foods Disco Site, Stockton, CA y <br /> f <br /> thanks for the update. i <br /> OK to keep the system off until I complete my review of your recent submittal. I <br /> Based on what you have told me, the gw gradient has shifted to a more easterly <br /> direction. this added to the non detect status of the wells south across Hwy 4, 1 see <br /> no problem with this temporary shut down of the Ozone system. <br /> I understand the 'onsite' remediation is still in operation (at the core area). <br /> From: Greg McIver [mailto:gmciver@thesourcegroup.net] J <br /> Sent: Friday, January 09, 2009 1:30 PM <br /> To: Mike Infurna [EH] <br /> Subject: Treatment System Shutdown - Del Monte Foods Disco Site, Stockton, CA i <br /> Mike, <br /> SGI submitted a CAP Addendum to the SCJEHD on December 19, 2008 (Letter). The purpose <br /> of the Letter was to request the shutdown of the ozone sparge system and soil vapor extraction I <br /> system. During the December Operation and Maintenance events, SGI noted significant leaks at <br /> the tubing located in numerous sparge point well boxes. As a result of the observed leaks, the <br /> ozone sparge system was turned offline on December 26, 2008. SGI is not planning on <br /> completing any repairs and restarting the ozone sparge system until SCJEHD has responded to E <br /> the December 19, 2008 Letter. Please contact me with any questions or if you would like to <br /> discuss operation of the ozone sparge system further. 4 <br /> Please note: A revised site plan is attached. <br /> Thanks, <br /> Greg <br /> Greg McIver <br /> Senior Project Scientist - <br /> gmaver@thesou rcegro-up;net <br /> The Source Group,Inc. <br /> 960 McCourtney Road, Suite F <br /> Grass Valley, California 95949 <br /> Phone: 530.272.4200 <br /> Cell: 530.592.7755 <br /> Fax: 530.272.4211 <br /> www,thesourcegroup net A <br /> } <br /> I <br /> 1/9/2009 <br />