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• • Page 7 of 8 <br /> This communication constitutes an electronic communication wifti the meaning of the Electronic <br /> Communications Privacy Act,18 USC 2510,and its disclosure is strictly limited to the recipient intended by <br /> the sender of this message.This communication may contain confidential and privileged material for the <br /> sole use of the intended recipient and receipt by anyone other than the intended recipient does not <br /> constitute a loss of the confidential or privileged nature of the communications.Any review or distribution <br /> by others is strictly prohibited.IF you are not the intended recipient please contact the sender by return <br /> electronic mail and delete all copies of this communication. <br /> From: Vicki McCartney [EH] [mailto:vmccartnev@sicehd.com] <br /> Sent: Monday, May 13, 2013 8:50 AM <br /> To: Andrew Dorn <br /> Cc: Jenny Weese; Ray Kablanow; Nuel Henderson [EH] <br /> Subject: RE: George' Service - 1600 Durham Ferry Road,Tracy <br /> Good morning Andrew, <br /> What information do you have to demonstrate that the air sparge system is effectively <br /> cleaning up the edges of the groundwater plume? <br /> I was at the site when Del-Tech was sampling on 25 April 2013. Don Light never <br /> notified me of the sampling event and had Jenny not informed me by email on 7 April <br /> 2013, 1 would not have known to go to the site on that day. Please keep me informed <br /> of any fieldwork at this site. <br /> Thank you. <br /> Vicki McCartney, Senior REHS <br /> San Joaquin County <br /> Environmental Health Department <br /> 1868 East Hazelton Avenue <br /> Stockton, California 95205 <br /> Phone: (209)468-9852 <br /> Email: vmccartnev(osicehd.com <br /> R M; <br /> i L <br /> S <br /> From: Andrew Dorn [mdllto:AndreWD@otienv.com] <br /> Sent: Friday, May 10, 2013 4:04 PM <br /> To: Vicki McCartney [EH] <br /> Cc: Jenny Weese; Ray Kablanow <br /> Subject: George' Service - 1600 Durham Ferry Road,Tracy <br /> Good Afternoon Vicki, <br /> I am contacting you in regards to the air sparge remediation system currently <br /> operating at the Georges'Service site located at 1600 Durham Ferry Road.The <br /> air sparge system is effectively cleaning up the edges of the groundwater <br /> plume (near OS-1 and OS-2) however the core of the plume has not shown a <br /> response.There is currently only one (1) air sparge well operating in the core <br /> of the plume (AS-1).We recommend that two(2) additional air sparge wells be <br /> installed within the core of the plume to accelerate remediation.The site has <br /> been granted an additional $40,000 from the Fund to be used prior to July 1 <br /> 2013 that would cover the cost of the work. <br /> 5/28/2013 <br />