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Page 1 of 1 <br />Natalia Subbotnikova [EH] <br />From: <br />Michael Carroll [mcarroll@sjgov.org] <br />Sent: <br />Wednesday, May 02, 2012 7:37 AM <br />To: <br />Natalia Subbotnikova [EH] <br />Cc: <br />Jaime Perez; Stephanie Kong; Brian Closs <br />Subject: <br />SWIS Online Inspection Report for NCRC & SL <br />Attachments: Inspection Report.pdf; pictures 4272012.pdf <br />Hi Natalia, <br />Thanks for sending this report. I notice you note that the probe of "GW -3" needs repairing. I assume you meant <br />SG -3 (soil gas well). <br />Our plan is to modify this well along with the other perimeter migration monitoring wells, after which all <br />perimeter monitoring wells will be similarly configured. <br />At this well, as with a few others, tubes were installed with the original construction, so the improvement at <br />these wells includes adding a cock valve to the top of each probe, attaching it to the existing tube per our <br />design. <br />We plan to complete this improvement next month, so the second quarter perimeter migration monitoring <br />report will reflect data collected at the improved wells. <br />I hope this is useful. <br />Best regards, <br />Mike Carroll <br />W. Michael Carroll, PE <br />Senior Civil Engineer, Public Works/Solid Waste <br />1810 E Hazelton Way <br />Stockton, CA 95205 <br />Phone (Direct): 209-468-8504 <br />Phone (Office Main): 209-468-3066 <br />Fax: 209-468-3078 <br />From: Natalia Subbotnikova [EH] [mailto:nsubbotnikova@sjcehd.com] <br />Sent: Tuesday, May 01, 2012 2:58 PM <br />To: Jaime Perez <br />Subject: FW: SWIS Online Inspection Report on behalf of: nsubbotnikova@sjcehd.com: NCRC & SL <br />5/2/2012 <br />