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Lor Xiong [EH] <br /> From: Chris Drabandt <cdrabandt@ecmconsults.com> <br /> Sent: Friday, December 29, 2017 12:50 PM <br /> To: Lor Xiong [EH] <br /> Cc: Luis Mercado; 'Tuan Nguyen';Xavier Green <br /> Subject: Well Abandonment Permit - 8010 South Airport Way Stockton <br /> Lo r- <br /> As requested below is a updated description of the well abandonment proposed at 8010 South Airport Way. <br /> ECM will oversee Penecore Drilling, a C-57 licensed driller, abandon the full length of each stainless steel vapor energy <br /> generating(VEG) well casing used for the remedial program conducted in November 2016. Wells will be overdrilled for <br /> the entirety of the well casing and the entire width of the installed casing (8-inches). Wells to be abandoned range from <br /> 25 feet bgs to 35 feet bgs. Open boreholes will be tremie grouted to a minimum of 3 feet bgs and backfilled with clean <br /> fill material as appropriate. Soil and well debris wastes will be placed into an onsite roll-off bin for transport and <br /> disposal. <br /> Please let me know if you have any further questions. <br /> Chris Drabandt, P.G. <br /> Senior Geologist <br /> Direct 916.917.5022 1 Cell 916.284.0029 <br /> :ECMConsultants <br /> www.ECMConsults.com <br /> 1 <br />