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"SJC Environmental Health Department strives to provide service excellence to our customers, constituents and <br /> stakeholders"LM <br /> From: Sobieraj, Justin [mailto:Justin.Sobieraparcadis-us.com] <br /> Sent: Tuesday, June 11, 2013 10:06 AM <br /> To: Lisa Medina [EH] <br /> Cc: Nickens, Amber; Nuel Henderson [EH] <br /> Subject: RE: 3978 S Hwy 99 Stockton, CA - Status remaining well destructions (309075) <br /> Lisa- <br /> I am trying to move the detonation method of abandonment of the two remaining wells(MW-1 and MW-4) at the 3978 <br /> S Hwy 99 Stockton site forward with Chevron. Due to the close proximity of the utilities identified at the wells,we <br /> propose the detonation to occur starting at 10 feet bgs and continuing to TD (giving a good buffer between the <br /> subsurface utilities and the detonation zone). Depth to water has been historically measured at approximately 50 feet <br /> bgs at this site. <br /> Is the plan of detonating from 10 feet bgs to TD acceptable to SJCEHD? <br /> Justin Sobieraj, PG I Project Geologist I iustinsobieraj�a arcadis-us.com <br /> ARCADIS U.S., Inc. 12000 Powell Street,7th Floor I Emeryville, California 94608 <br /> T:510.596.9684 1 M:415.858.8310 <br /> www.arcadis-us.com <br /> ARCADIS, Imagine the result <br /> Please consider the environment before printing this email. <br /> From: Sobieraj, Justin <br /> Sent: Monday, May 20, 2013 2:19 PM <br /> To: 'Lisa Medina [EH]' <br /> Cc: Krehbiel, Brett; 'Nuel Henderson [EH]' <br /> Subject: RE: 3978 S Hwy 99 Stockton, CA - Status remaining well destructions <br /> Lisa- <br /> Due to the access issues at the two remaining locations (MW-1 and M-4) and the inability to pressure grout,Chevron is <br /> looking at the 'detonation' method of abandonment.They are looking internally at the H&S issues that are associated <br /> with this method. I will update you as soon as I hear back from Chevron. <br /> Thank you, <br /> Justin Sobieraj, PG I Project Geologist I justin.sobieraiCo arcadis-us.com <br /> ARCADIS U.S., Inc. 2000 Powell Street, 7th Floor I Emeryville, California 94608 <br /> T: 510.596.9684 1 M:415.858.8310 <br /> www.arcadis-us.com <br /> 2 <br />