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Michael Kith [EH] <br /> From: Rick Day <day@geoconinc.com> <br /> Sent: Monday, February 27, 2017 12:09 PM <br /> To: Nuel Henderson [EH] <br /> Cc: Linda Turkatte [EH]; Michael Kith [EH]; 'Nabaz Saieed (nabaz.saieed@tylin.com)'; <br /> Johanna Ferriera Qferriera@ci.manteca.ca.us);Steve Walters <br /> (Stephen.Walters@nv5.com); FEZ (proj.320156@tylin.com) <br /> Subject: RE: Sampling at the former Police firing Range <br /> Hi, Linda and Michael. <br /> Unfortunately I could not be at the site last Wednesday as I was dealing with a broken sewer lateral at another site all <br /> day. <br /> In response to Nuel's below e-mail,the samples collected last week were to further confirm the initial excavation limits- <br /> the samples are not meant to replace the grid sampling requested by Nuel-we will be collecting those samples within <br /> the next week or so once excavation begins. <br /> Also, we will be using the XRF only as a qualitative field-screening tool during excavation to give us a general idea of <br /> when we run out of the high lead concentrations-all final decisions regarding excavation limits and reuse of berm <br /> materials will be based solely on quantitative analytical laboratory results. <br /> I believe our approach is consistent with the January 10, 2017,approval letter. <br /> Please let me know if you have questions. <br /> Thanks, <br /> Rick. <br /> Richard Day, CEG, CHG I Principal / Senior Geologist <br /> GEOCON CONSULTANTS, INC. <br /> <40) 6671 Brisa Street, Livermore, California 94550 <br /> P1925.371.5900 ext. 401 M1925.872.5860 <br /> day@geoconinc.com / www.geoconinc.com / Facebook / Linkedin <br /> Bay Area - Sacramento - Fairfield - Los Angeles - Orange County - Riverside County - Palm Desert - San Diego <br /> Geotechnical Engineering Environmental Services Engineering Geology Construction Inspection <br /> Land Development Transportation Infrastructure Institutional Brownfields/Redevelopment Natural Resources <br /> From: Nuel Henderson [EH] [mailto:nhenderson0sicehd coml <br /> Sent: Friday, February 24,2017 4:17 PM <br /> To: Rick Day<dav@seoconinc.com> <br /> Cc: Linda Turkatte [EH] <LTurkatteCalsicehd.com>; Michael Kith [EH] <mkith(asicehd.com> <br /> ubject:Sampling at the former Police firing Range <br /> i <br />