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Best regards, <br /> Stacy Rivera <br /> Lead Sr.Registered Environmental Health Specialist <br /> San Joaquin County Environmental Health Department <br /> 1868 E.Hazelton Ave.,Stockton,CA 95205 <br /> phone(2og)616-3043 <br /> faX(209)468-3433 <br /> *Test notifications and test results should be sent to the general UST email: ust0s�qov.org* <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 1 JuLy 18 1 August 1, 15,29 1 September 12,26 <br /> EHD will be closed for the hoLidays on: <br /> July 4 1 September 1 1 November 11,27,28 1 December 25 <br /> From: Shelley Gibson <Shelley.Gibson@mattr.com> <br /> Sent:Thursday,July 24, 2025 2:19 PM <br /> To: EH-UST<ust@sigov.org> <br /> Cc: David Beard<David.Beard@ mattr.com> <br /> Subject: FW: SR0083837-4607 S.Airport Way, Stockton - Install Repairs <br /> Hey Stacy! <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 /> I have put the extra testing requests below with comments about what we discussed or what I will <br /> provide as a substitution. <br /> 1. Primary tank test of at[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 fitting.—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 at[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 tanktop 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 /> Also, I have attached a site plan with the compartments identified. <br /> 4 <br />