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John Yoakum [EH] <br /> From: Douglas Burr <Doug.R.Burr@mwhglobal.com> <br /> Sent: Tuesday,January 28, 2014 2:37 PM <br /> To: Sewalia, Siddharth@Waterboards; Herrmann, Martin@DTSC <br /> Cc: Eric Rowney;Walter Galacki (walter.galacki@spx.com);Jim.Lingo@spx.com; <br /> sstuart@dudek.com;Wilson,Amy;John Yoakum [EH] <br /> Subject: Notification of Termination of Full-Scale In Situ Treatment Performance Sampling, <br /> Former Marley Cooling Tower Site, Stockton, CA, MRP No. R5-2012-0814 <br /> Attachments: Notification of Termination of Performance Monitoring MRP R5 2012 0814.pdf <br /> Sid/ Martin, <br /> As indicated in the attached letter,SPX's evaluation of collected data and length of time since the most recent in situ <br /> treatment events(October 2010 in the North Yard and August 2012 in the South Yard) substantiates that continued MRP <br /> Section II monitoring is no longer justified or warranted,and it will therefore be terminated. If another round of in situ <br /> remediation injections is to occur,the full list and analytical suite of sampling will be performed as outlined in MRP (No. <br /> 115-2012-0814) Section II. SPX will continue to perform MRP Section I monitoring and will continue to operate the <br /> groundwater extraction and treatment system. <br /> A hardcopy of the attached letter has been sent to your attention. <br /> Thank you, <br /> Doug Burr <br /> Professional Geologist <br /> MWH Americas, Inc. <br /> Doug.r.Burr@mwhelobal.com <br /> Direct line -(916)418-8356 <br /> Mobile line-(916)761-3793 <br /> Facsimile-(916)924-9102 <br /> a MWH <br /> BOLDING A BETTER WORLD <br /> 1 <br />