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Gabriel Gonzalez [EH] <br /> From: Adrienne Ellsaesser [EH] <br /> Sent: Thursday,August 21, 2014 9:00 AM <br /> To: 'Waite, Brian A' <br /> Cc: Nuel Henderson [EH]; Gabriel Gonzalez [EH] <br /> Subject: RE:437 East Miner Ave. <br /> Attachments: Closure Report.pdf,Table 1 - Soil Boring and Well Construction Details 306415.pdf <br /> Hi Brian, <br /> I am agreeable to allow the MW destructions using explosives as specified below and as identified within <br /> the attachment, provided (as you note) the length of the explosive string begins within a clay lens above <br /> the filter pack's bentonite seal. Many of the wells are constructed with the bentonite seal in other types of <br /> formation material,such as silt. We recommend referring to the boring logs to set the upper limit of the <br /> string. <br /> Please provide me with the length of the explosive string proposed and the depth of the upper end of the <br /> string for each well, based on the boring log (attached in Closure Report pdf)that demonstrates the <br /> explosive string to be beginning within the targeted clay lens. We require this information so we may <br /> verify proper destruction of the well during the destruction inspection. <br /> Thanks <br /> Adrienne <br /> Adrienne Ellsaesser, REHS <br /> Unit IV Program Coordinator <br /> Groundwater Protection Programs: <br /> Site Mitigation/LOP/Small Public Water Systems <br /> 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 /> aellseesser@sjcehd.com <br /> From: Waite Brian A (mailto:BWaite(iachevron.com] <br /> Sent: Wednesday, August 20, 2014 10:34 AM <br /> To: Adrienne Ellsaesser [EH] <br /> Cc: Nuel Henderson [EH]; Gabriel Gonzalez [EH] <br /> Subject: 437 East Miner Ave. <br /> Adrienne, <br /> i <br />