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Page 1 of 1 <br /> Mike Infurna [EH] <br /> From: Nuel Henderson [EHj <br /> Sent: Wednesday,June 15,2011 4:44 PM <br /> To: 'Shelton, Brad' <br /> Cc: Mike Infurna[EH];Adrienne Ellsaesser[EHj <br /> Subject: RE: Former ARCO#443-3478 East Oak St,Stockton <br /> Brad, 2` 79 <br /> 1 believe the objective of the of the work plan requested by EHD letter dated 8 June 2011 was to complete the delineation of <br /> the hydrocarbon release impact beneath your site.The site status update report dated 13 May 2011 stated that"Petroleum <br /> hydrocarbon impact beneath the site has not been adequately delineated by the existing well network and previous site <br /> assessment activities" As that was your evaluation,the EHD was providing the directive to complete the delineation to <br /> your satisfaction; after reviewing the proposed work and the technical justifications for the proposed work,the EHD will <br /> comment. <br /> It took me a while to think of what the sockee sock is, but I think it is the suspected cause of the obstruction in one of your <br /> monitoring wells. I don't know what the potential down-side is for utilizing high vacuum on it might be, perhaps you can <br /> cover that in your work plan. <br /> If I can be of further assistance,you can contact me by email,or by phone: (209)468-3436. <br /> Nuel Henderson <br /> From: Shelton, Brad [mailto:Brad.Shelton@stantec.com] <br /> Sent: Wednesday,June 15, 20114:15 PM <br /> To: Mike Infurna [EH] <br /> Cc: Morescalchi,Sergio;Adrienne Ellsaesser[EH]; Nuel Henderson [EH] <br /> Subject: Former ARCO#443- 3478 East Oak St, Stockton <br /> Hello Mike, <br /> We have received your letter regarding the above site dated June 8, 2011. 1 would like to discuss the objectives of <br /> the requested work plan with SJCEHD prior to having it on geotracker by August 8. <br /> Additionally, we would like to discuss the potential for conducting high vacuum extraction events at this site to try to <br /> remove the soakee sock and act as interim remediation at the location of MW-1S. <br /> I understand you are not available until the end of June,but if there is someone available that could discuss these <br /> items in your absence I would appreciate it so that we could act promptly. <br /> Thank you, <br /> Brad Shelton,P.G. <br /> Associate Geologist <br /> Stantec <br /> 3017 Kilgore Road Suite 100 <br /> Rancho Cordova CA 95670 <br /> Ph: (916)861-0400 <br /> Fx: (916)861-0430 <br /> Cell: (916)225-3800 <br /> brad.sheiton@stantec.com <br /> stantec.com <br /> The content of this email is the confidential property of Stantec and should not be copied,modified <br /> etransmimined,coed,or pies notify <br /> sed for <br /> any purpose except with Stantec's written authorization.If you are not the intended recipient, please <br /> deleteus immediately. <br /> 0 Please consider the environment before printing this email. <br /> 6/28/2011 <br />