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Please consider the environment before printing this email. • <br /> From: Gabriel Gonzalez [EH] fmailto:gaaonzalez(o)sjcehd.com] <br /> Sent: Wednesday, October 01, 2014 9:05 AM <br /> To: McGovern, Cameron <br /> Cc: BWaite(a)chevron.com; mcmillans521(cb ahoo.com; Munn, Julie; Sobieraj, Justin; Adrienne Ellsaesser [EH] <br /> Subject: RE: 437 E Miner Ave., Stockton <br /> Good morning Cameron, <br /> Your plan to destroy wells with%inch and 1 inch casings as you outlined below is acceptable.Should the tremie tubing <br /> get stuck during its extraction, please ensure that the detonation cord will still blast within the planned depth (20 feet <br /> below ground surface to total depth). If the method outlined below does not work, over-drill is the other option. <br /> Thank you, <br /> Gabriel <br /> From: McGovern, Cameron fmailto:Cameron.McGovern(@arcadis-us.com] <br /> Sent: Tuesday, September 30, 2014 12:50 PM <br /> To: Gabriel Gonzalez [EH] <br /> Cc: BWaite(alchevron.com; mcmillans5210) ahoo.com; Munn,Julie; Sobieraj, Justin <br /> Subject: 437 E Miner Ave., Stockton <br /> Hey Gabriel, <br /> The plan for tomorrow is to initially destroy a %inch well (SP-2A [120 ft.]) by the procedure outlined below: <br /> 1. 50 grain det cord will be placed in SP-2A from 20 feet below ground surface to total depth (120 ft.)as outlined in <br /> the blasting plans. <br /> 2. Once the det cord is set,Cascade will insert the%: inch poly tubing to TD in order to tremie grout through the <br /> water column and grout from the bottom of the well up to surface. <br /> 3. Once grout has reached the surface,the tremie tubing will be extracted from the well and the well will be <br /> topped off with additional grout(as necessary). <br /> 4. The charge will then be detonated and Cascade will add grout, as needed. <br /> a. If Cascade is unable to extract the tremie tubing,the 50 grain det cord should adequately destroy the <br /> materials within the well casing as well as successfully perforate the well casing. <br /> If we are successful in destroying SP-2A in this manner, in concurrence with SJCEHD Inspector,ARCADIS proposes to <br /> destroy all remaining%"and 1"wells on-site in the same manner outlined above. <br /> Please let me know if this method is acceptable to the SJCEHD. <br /> Thank you, <br /> Cameron <br /> From: Gabriel Gonzalez [EH] fmailto:aaoonzalez(alsicehd.com] <br /> Sent: Tuesday, September 30, 2014 8:43 AM <br /> To: McGovern, Cameron; BWaite(a)chevron.com; mcmillans521(alyahoo.com <br /> Subject: 437 E Miner Ave., Stockton <br /> Good morning, <br /> 3 <br />