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Thanks <br /> Nicole <br /> From:Sewalia,Siddharth@Waterboards<Siddharth.Sewalia@waterboards.ca.gov> <br /> Sent:Tuesday, February 26, 2019 9:09 AM <br /> To: Randy Dockery<rdockery@greggdrilling.com> <br /> Cc: Nicole Gotberg<NGotberg@Geosyntec.com>; Srinivasa Varadhan <SVaradhan@Geosyntec.com>; Chris Christensen <br /> <cchristensen@greggdrilling.com> <br /> Subject: RE: Former OCC Lathrop well EW-18B <br /> Hi Randy, <br /> We concur with the proposed work. Please obtain proper permits for well destructions and new well installation. <br /> Sid Sewalia <br /> Water Resource Control Engineer <br /> California Regional Water Quality Control Board, Central Valley Region <br /> 11020 Sun Center Drive, Suite 200 <br /> Rancho Cordova, CA 95670 <br /> Phone: 916.464.4658 <br /> From: Randy Dockery<rdockery@greggdrilling.com> <br /> Sent: Monday, February 25, 2019 11:04 AM <br /> To:Sewalia, Siddharth@Waterboards<Siddharth.Sewalia@waterboards.ca.gov> <br /> Cc: Nicole Gotberg<NGotberg@Geosyntec.com>; Srinivasa Varadhan <SVaradhan@Geosyntec.com>; Chris Christensen <br /> <cchristensen@greggdrilling.com> <br /> Subject: Former OCC Lathrop well EW-18B <br /> Sid <br /> The EW-18B extraction well at the Former Occidental Chemical Corporation Lathrop Facility was damaged during <br /> installation and Gregg Drilling plans to pressure grout the damaged well and replace it with a new well, in accordance <br /> with the attached letter that was provided to San Joaquin County Environmental Health. San Joaquin County has <br /> requested the Water Board provide approval of the proposed destruction and replacement of the damaged well. The <br /> EW-18B replacement well will be installed in accordance with the Extraction Well Work Plan. If you could provide us <br /> with an email approval for use in the permitting process with San Joaquin County we would appreciate it. <br /> I have also attached the reference material mentioned in the letter. <br /> Sincerely <br /> Randy Dockery <br /> Gregg Drilling, LLC <br /> 950 Howe Rd <br /> Martinez, CA 94553 <br /> 925-313-5800 office <br /> 925-313-0302 fax <br /> 925-383-0487 cell <br /> 2 <br />