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0 Page 3 of 16 <br /> Cc: Adrienne Ellsaesser [EH]; Mike Infurna [EH] <br /> Subject: RE: 5400 and 5606 Pacific Avenue, Stockton - Well Destruction Information <br /> Josh, <br /> I erred in stating that our agency enforces the California Well Standards; in actuality we enforce the San <br /> Joaquin County Well Standards, based in part on the California Well Standards, but with some significant <br /> variations. The pertinent variation is section 13.17.6. of the San Joaquin County Well Standards which <br /> covers destruction of monitoring wells. Apologies for the regulation improperly cited, but the requirements <br /> previously stated still stand. <br /> Nuel Henderson <br /> From: Nuel Henderson [EH] <br /> Sent: Thursday, December 08, 20114:19 PM <br /> To: Mike Infurna [EH]; 'Josh Ewert' <br /> Cc: Adrienne Ellsaesser [EH] <br /> Subject: RE: 5400 and 5606 Pacific Avenue, Stockton -Well Destruction Information <br /> Josh, <br /> I have reviewed the well destruction requirements for the wells you requested in light of your <br /> technical justifications to pressure grout instead of removing the well contents. The San Joaquin <br /> County Environmental Health Department follows the California Well Standards on this issue, the <br /> controlling circumstance being the presence or suspected presence of contaminants or pollutants <br /> in the area of the wells in question. I have determined the following: <br /> Wells VW-16, VW-19 and VW-22 do not extend to groundwater, which as you point out, is where <br /> the contaminant contour line was drawn. The last PID readings for extracted soil gas/vapor from <br /> these wells was 'non-detect'. The EHD will permit these wells to be pressure grouted. <br /> Wells AS-14, AS-15, AS-17, AS-18, AS-20 and AS-21 have either soil data showing impact or PID <br /> reading on boring logs that indicate the presence of impacted soil, therefore the contents of these <br /> wells must be removed. You had a good point on the small diameter of some of these wells, but <br /> the EHD has determined that an effort should be made to remove the well contents, and therefore <br /> will not approve pressure grouting as the well destruction method for these wells. <br /> If I can be of further service to you, please contact me. <br /> Nuel Henderson <br /> From: Mike Infurna [EH] <br /> Sent: Wednesday, December 07, 20114:32 PM <br /> To: 'Josh Ewert' <br /> Cc: Nuel Henderson [EH] <br /> Subject: RE: 5400 and 5606 Pacific Avenue, Stockton - Well Destruction Information <br /> Josh, <br /> I'll cc this to him. <br /> Check with me end of this week.. <br /> From: Josh Ewert [mailto ewert@geoconinc.com] <br /> 12/20/2011 <br />