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4 <br />Best regards, <br /> <br />Stacy Rivera <br />Lead Sr. Registered Environmental Health Specialist <br /> <br />San Joaquin County Environmental Health Department <br />1868 E. Hazelton Ave., Stockton, CA 95205 <br />phone (209) 616-3043 <br />fax (209) 468-3433 <br /> <br /> <br />*Test notifications and test results should be sent to the general UST email: ust@sjgov.org* <br /> <br />*NOTE* I will be out of office every other Friday. If you are unable to reach me on those days and need to speak to someone <br />immediately, please call (209) 468-3420 or email our UST email address. <br />June 6, 20 | July 18 | August 1, 15, 29 | September 12, 26 <br /> <br />EHD will be closed for the holidays on: <br />July 4 | September 1 | November 11, 27, 28 | December 25 <br /> <br />From: Shelley Gibson <Shelley.Gibson@mattr.com> <br />Sent: Thursday, July 24, 2025 2:19 PM <br />To: EH-UST <ust@sjgov.org> <br />Cc: David Beard <David.Beard@mattr.com> <br />Subject: FW: SR0083837 - 4607 S. Airport Way, Stockton - Install Repairs <br /> <br />Hey Stacy! <br /> <br />I want to thank you and your team for the call yesterday. We have started an internal review based on <br />your concerns and frustrations so that this does not occur again. <br /> <br />I have put the extra testing requests below with comments about what we discussed or what I will <br />provide as a substitution. <br /> <br />1. Primary tank test of all three tanks in the split tank, in accordance with manufacturer specifications. – <br />No concern from Xerxes <br />2. Secondary containment tank test of the split tank (interstice testing), in accordance with <br />manufacturer specifications, prior to brine filling. – Please see attached Truchek documents as <br />proposed substitution testing. <br />3. Confirmation of interstice continuity for all three compartments in the split tank. – Prior to Truchek <br />Testing, Xerxes will install a small diameter riser in an end tank sump (see tank dwg 669-665 attached <br />for proposed sump). Based on the tank layout, pls advise if you would like to test the other shell or <br />compartment. <br />4. Secondary piping test: Pressure testing of all piping (product, vapor recovery, vent, and chase), in <br />accordance with manufacturer specifications. – Done by Petroleum Contractor <br />5. Integrity testing of all tank top sumps, in accordance with manufacturer specifications. – Done by <br />Petroleum Contractor <br />6. Verification of brine type and witnessing of brine addition in the split tank and tank top sumps. – <br />Removed original brine stored and re-used. Topped up with Xerxes factory supplied. Xerxes can <br />provide a letter or proof of shipping. <br /> <br />Also, I have attached a site plan with the compartments identified.