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From: Blanev,To <br /> To: Mkhrie.Kristn <br /> Subject: Fw: Additional Pre-Confirmation Sampling Work at Tracy MGP Site <br /> Date: Monday,May 23,201112:18:17 PM <br /> Approval for work at tracy mgp. <br /> -----Original Message ----- ��/02 G (o <br /> From: Jeff Gymer ilto:JGymer(aldtsc Ca.aov) <br /> Sent: Monday, May 23, 201101:43 PM ��+n <br /> To: Blaney,Tom Ov <br /> Cc: Kevin Shaddy <KShaddy@dtsc.ca.gov> <br /> Subject: Re: Additional Pre-Confirmation Sampling Work at Tracy MGP Site <br /> Mr. Blaney / "IAn <br /> �C <br /> Per your request and pursuant to the protocol in your e-mail and the sampling locations outlined in the <br /> preconfirmation sample locations in Figure 3 of the May 5, 2011 Technical Memorandum,I believe that <br /> the proposed pre-remediation sampling can and should proceed in order to further define the <br /> boundaries of the impacted areas prior to excavation. <br /> If you or San Joaquin County staff have any questions pertaining to this matter,feel free to contact me. <br /> Jeff Gymer, P.E. <br /> Hazardous Substances Engineer <br /> Brownfields and Environmental Restoration Program <br /> DTSC <br /> 1515 Tollhouse Rd. <br /> Clovis, CA 93611 <br /> 559-297-3907 <br /> >>> 'Blaney, Tom" <Tom.Blaney@parsons.com> 5/20/20119:25 AM >>> <br /> Mr. Gymer, <br /> Per the recommendations of the Supplemental Site Investigation Workplan <br /> for the Tracy Site, we would like to perform the "pre-remediation <br /> confirmation sampling" as outlined below: <br /> 1) Concrete core, hand auger, and sample 18 shallow soil borings <br /> (max. 3 feet bgs) for PAHs in AOIs 1, 2 and 6. <br /> 2) Concrete core, hand auger,and sample 2 shallow soil borings <br /> (max. 8 feet bgs) for PAHs in AOI 3. <br /> 3) Concrete core, hand auger, direct push and sample 4 deeper soil <br /> borings (max. 15 feet bgs) far PAHs and TPH in AOI 3. <br /> 4) Samples will be collected at 1 and 3 in shallow borings with a <br /> maximum depth of 3 feet bgs; at 1, 3, 5 and 8 feet in the shallow <br /> borings with a maximum depth of 8 feet bgs; and at 1, 3, 5, 10 and 15 <br /> feet in the deep borings. <br />