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Page 1 of 2 <br /> �.. <br /> Vicki McCartney [EH] <br /> From: Vicki McCartney [EH] <br /> Sent: Monday, May 12, 2008 4:21 PM <br /> To:, 'acolavita@advgeoenv.com' <br /> Subject: RE: Stefano's Gas,( 1419 East Charter Way, Stockton) <br /> Ally: <br /> I understand that you want to complete all the fieldwork at one time and I wish I could respond to your request } <br /> presented below. However, the San ,Joaquin County Environmental Health Department (EHD) needs a <br /> response to the bullets presented by letter dated.March 18, 2008, and the response must be supported with. <br /> technical justification for expanding the current ozone sparge system and must be reviewed and signed by <br /> a California Registered Professional Geologist or Civil Engineer before submitting to the EHD. <br /> Vicki McCartney, Senior REHS <br /> San Joaquin County <br /> Environmental Health Department <br /> 600 East Main Street <br /> Stockton, California 95202 <br /> Phone: (209)468-9852 <br /> Fax: (209)468-3433 <br /> Email: vmccartnev(rusjcehd.com. } <br /> 1 <br /> From: Ally Colavita [mailto:acolavita@advgeoenv.com] <br /> a <br /> Sent: Monday, May 12, 2008 2:35 PM <br /> To: Vicki McCartney [EH] <br /> Cc: 'bill'; smarty@advgeoenv.com <br /> Subject: Stefano's Gas.( 1419 East Charter Way, Stockton) <br /> Hi Vicki--- <br /> In response to the EHD letter dated 18 March 2008 regarding the site Stefano's Gas, <br /> 1419 E. Charter Way; Stockton, AGE recommends upgrading the current ozone sparge <br /> system to increase the poundage of ozone injected into the subsurface from <br /> approximately 0.95 pounds per day to approximately 2.5.pounds per day in order to <br /> increase the effectiveness of ozone remediation at the site (the upgrade may require <br /> some shop time).-In addition, we recommend. installing the previously proposed ozone <br /> wells following the ozone system upgrade. <br /> I wanted to schedule the.previously approved scope of work for the site, and I was ' <br /> hoping to install additional ozone wells during the same mobilization. j <br /> i <br /> Thank you for your time, and if you have-any questions or concerns do not hesitate to i <br /> contact me. Thanks Vicki, f <br /> I <br /> Ally Colavita <br /> Staff Environmental:Scientist 4 <br /> Advanced GeoEnviorn mental,Inc. I; <br /> 5/12/2008 <br />