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San Joaquin County <br /> Environmental Health Department <br /> 1868 East Hazelton Avenue <br /> Stockton , CA 95205 <br /> Ph (209) 468-0343 <br /> Fax(209) 468-0341 <br /> aellsaesser(D_sicehd.com <br /> From: tylor mcmillan [mailto:mcmillans521Ca)-yahoo:com] <br /> Sent: Tuesday, October 15, 2013 11:44 AM <br /> To: Adrienne Ellsaesser [EH] <br /> Cc: John Yoakum [EH]; Lisa Medina [EH]; Nuel Henderson [EH] <br /> Subject: Re: 3978 South Highway 99 Well demo <br /> Adrienne, <br /> No, we are not using a sacrificial PVC, the charge will be weighted and the tremmie will be removed <br /> prior to the detonation. I have no access,-issues with this site. I have blasted in tighter quarters,than <br /> -.this. <br /> Thanks, <br /> Tylor McMillan <br /> WWTI /Welenco <br /> Project Manager/Blaster <br /> (916) 761-5224 <br /> On Tuesday, October 15, 2013 11:39 AM, Adrienne Ellsaesser[EH] <AEllsaesser(a-)_sjcehd.com> <br /> wrote: <br /> Hi Tylor, <br /> The proposed destruction method of using explosives beginning at 20' below grade is acceptable. <br /> Are you planning to use'a sacrificial PVC trimie tube that will be left.and exploded in the well, after the <br /> well is filled with.grout? <br /> My concern on this project was why the wells could not be over drilled, as that is what is <br /> required. Blasting the well and`leaving the contents in the borehole is only allowed after it is <br /> demonstrated to us over drilling the well is not possible. My staff states they claim the canopy is in the <br /> way for a drill rig to gain access to the wells for the over drill. Do you-have any,access issues? <br /> Thanks <br /> Adrienne <br /> Adrienne Ellsaesser, REHS <br /> Program Coordinator <br /> San Joaquin County <br /> Environmental Health Department <br /> 4 <br />