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Page 1 of 2 <br /> Mike Infurna [EH] <br /> From: Barclay, Diane [Diane.Barclay@stantec.com] <br /> Sent: Wednesday, June 09, 2010 3:18 PM <br /> To: Mike Infurna [EH] <br /> Subject: RE: Letter regarding 7647 Pacific, Stockton <br /> Thanks Mike, will do. <br /> Diane Barclay, PG, CEG, CHG <br /> Principal Geologist <br /> Stantec <br /> 3017 Kilgore Road Suite 100 <br /> Rancho Cordova CA 95670 <br /> Ph: (916) 384-0744 <br /> Fx: (916)861-0430 <br /> Cell: (916)812-3608 <br /> diane.barclay@stantec.com <br /> stantec.com <br /> The content of this email is the confidential property of Stantec and should not be copied, modified, retransmitted,or used for <br /> any purpose except with Stantec's written authorization. If you are not the intended recipient, please delete all copies and <br /> notify us immediately. <br /> 41' Please consider the environment before printing this email. <br /> From: Mike Infurna [EH] [mailto:MInfurna@sjcehd.com] <br /> Sent: Wednesday, June 09, 2010 2:52 PM <br /> To: Barclay, Diane <br /> Subject: FW: Letter regarding 7647 Pacific, Stockton <br /> Diane, <br /> got a chance to review your/this letter. I don't have the time now to dive into anything but the <br /> MW-4 issue. <br /> Send me a proposal to destroy MW-4. plan on an overbore, and if excavation/grade cuts are <br /> in the plans for this remodel area, then grout the destroyed well/hole back with bentonite slurry <br /> to the surface. Any cuts/grade mods will not affect the grouted hole like it would if it was <br /> hardened cement grout. <br /> The lost of this upgradient well leaves a good size gap between MW-5 & MW-7. Add to this, <br /> the low levels of gw hits in MW-4, I strongly recommend it be replaced. If you/COP/Stantec <br /> disagree, include a technical justification why in the work plan to destroy MW-4. <br /> I'll review and comment back. If you agree, plan on replacing it somewhere near the bldg, and <br /> upgradient of the UST pit. I may need to see the proposed layout of the remodel so I know <br /> better how to evaluate MW-4 replacement, if applicable. <br /> as I get time, I will review your letter more and get an understanding of your plans to restart, <br /> mobile test, meeting date, etc. I've got too much going on now to complete it now. <br /> generally speaking, I'm still working with the same game plan for this site. If it qualifies for <br /> NFA, then go with that. If not, then remediate it to a point it does qualify for NFA. either way, <br /> progress. <br /> as long as you continue to progress, either in evaluating the need for remediation, and <br /> 6/10/2010 <br />