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Page 1 of 2 <br /> Vicki McCartney [EH] <br /> From: Barton, Jim@Waterboards Dim.barton@waterboards.ca.gov] <br /> Sent: Tuesday, April 23, 2013 9:11 AM <br /> To: Vicki McCartney [EH] <br /> Cc: Nuel Henderson [EH] <br /> Subject: RE: Low Threat Closure Request Report for 139 South Center Street in Stockton <br /> Hi Vicki, <br /> I re-evaluated the NFAR request from the consultant, and do not have any additional concerns. Thanks. <br /> Jim Barton <br /> James L. L. Barton P. G. <br /> Central Valley Regional Water Quality Control Board <br /> 11020 Sun Center Drive,#200 <br /> Rancho Cordova,CA 95670-6114 <br /> Office (916)464-4615 j <br /> Fax (916)464-4704 <br /> From: Vicki McCartney [EH] [mailto:vmccartney@sjcehd.com] <br /> Sent: Monday, April 22, 2013 2:53 PM <br /> To: Barton, Jim@Waterboards <br /> Cc: Nuel Henderson [EH] <br /> Subject: Low Threat Closure Request Report for 139 South Center Street in Stockton <br /> Good afternoon Jim, <br /> Nuel Henderson and I have discussed the information presented in Low-threat Closure <br /> Request Report, dated 26 March 2013 for the Former Chevron Service Station No. 9- <br /> 0557 at 139 South Center Street in Stockton. On 11 April 2013, Nuel and I talked to <br /> you about this report and you mentioned at that time that the report did not adequately <br /> address the vapor intrusion issue for future construction at this site, nor did the report <br /> address the human health risk. After reviewing the historical soil and groundwater <br /> concentrations of benzene, ethyl benzene and TPHg at this site, Nuel and I have <br /> concluded that the report adequately'addresses the vapor intrusion issue and the direct <br /> contact and outdoor air exposure issues. <br /> I am preparing a letter concerning other issues in the report that Nuel and I believe need <br /> II' to be addressed. If you could let me know what exactly needs to be addressed <br /> concerning vapor intrusion and human health risks, I will add your comments to my <br /> letter. <br /> Thank you. <br /> Ili <br /> Vicki McCartney, Senior REHS <br /> San Joaquin County <br /> Environmental Health Department <br /> 1868 East Hazelton Avenue <br /> 4/23/2(11' <br />