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this type of message in the _ature. Please do not reply to ti._6 e-mail <br /> directly. If you wish to reply to the original sender, please copy <br /> that <br /> e-mail address from below. <br /> Thank you, <br /> PHS Network Admin <br /> -----Original Message----- <br /> From: Maria Gillette [mailto:MGillett@dtsc.ca.gov] <br /> Sent: Tuesday, September 05, 2006 11:35 AM <br /> To: Lori Duncan [EH] <br /> Subject: lduncan@sjcehd.com - Bayesian Filter detected spam - Fwd: <br /> Cabral-McAdams property <br /> Hi Lori, <br /> Please see the following note from DTSC's Toxicologist Brian Endlich <br /> regarding concerns with the proposed Cabral - McAdams UST excavation <br /> plan. Thanks Lori, please let me know if you have any questions <br /> regarding DTSC's comments, or the Site in general - Maria. <br /> Maria Gillette <br /> Work Phone # (916) 255-3953 <br /> Fax # (916) 255-3696 <br /> E-mail: MGillett@DTSC.ca.gov <br /> >>> Brian Endlich 8/30/2006 12:28 PM >>> <br /> Maria, <br /> Re: the UST impacted soil excavation plan <br /> There were a few issues that should be resolved before this plan is <br /> implemented. <br /> First is that the vertical extent of the TPH-gasoline plume has not <br /> been <br /> competely delineated in the vicinity of B2, the 20 foot sample <br /> registered 2100 ppm but no deeper sample was collected or analyzed. I <br /> acknowledge that the other sample in the vicinity, B3 was non-detect <br /> to <br /> 40 ft, but still B2 should be pursued to ND as well. <br /> Regarding post excavation confirmation sampling, I do not believe that <br /> one sample from the floor of the excavation is sufficient for <br /> validating <br /> that the cleanup is complete, I would like to see at least 3 samples, <br /> one from the approximate area of B2 . <br /> Other than that the workplan is sufficient. <br /> Regards, <br /> Brian <br /> Brian Endlich, Ph.D. <br /> BEndlich@dtsc.ca.gov <br /> Staff Toxicologist (Specialist) <br /> Human and Ecological Risk Division <br /> Department of Toxic Substances Control <br /> 700 Heinz Avenue, Suite 200 <br /> Berkeley, CA 94710 <br /> 2 <br />