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• The submitted tank installation checklist indicates crushed stone was used for backfilling. The approved plans <br /> stated pea gravel would be used. Please confirm which backfill was used and update documents as necessary. <br /> • Please submit a Certification of Installation/Modification for the new piping and sumps installed on the existing <br /> (87 and additive) tanks under SR0084603. <br /> • Provide a copy of the "Facility Employee Training Certificate"for current training provided by the facilty's <br /> designated UST operator. <br /> • The tank form for the 91 tank (-005) in CERS incorrectly states the piping monitoring is "dry". The 91 tank piping <br /> is under vacuum. Please correct. <br /> • Please pay all outstanding up-to-date fees. <br /> Please let me know if you have any questions. <br /> Thank you, <br /> Thank you, <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(209)616-3043 <br /> fax(209)468-3433 <br /> From: Ernest, Frederick [EHD] <fernest@sigov.org> <br /> Sent: Wednesday,August 31, 2022 4:08 PM <br /> To:Austen Downey<adownev@ionescovey.com>;Joseph Malcolm <imalcolm@ionescovey.com> <br /> Cc:Steven Nelson <snelson@barghausen.com>; Chris Wright<chris.wright@diamondzengineering.com>;Alexia Inigues <br /> <ainigues@barghausen.com>; Kayleen Burnett<kburnet@costco.com>; environmentalcompliance@costco.com; Presto, <br /> Carol [EHD] <cpresto@sigov.org> <br /> Subject: 3250 W Grant Line New Install/Retrofit Questions <br /> Good afternoon, <br /> I had a couple of question concerning the onsite monitoring and operations for the tanks at 3250 W Grant Line in Tracy. <br /> Questions for the newly installed premium (91)fuel tank: <br /> • When was the fuel was placed in the tank? <br /> • How was fuel placed into the tank?Was a port used to receive fuel or was the spill bucket used to receive fuel? <br /> • When was the monitoring panel switched from the old panel to the new panel?What was the gap in monitoring <br /> between the changeover of the panel? <br /> • What sensors were being installed on 8/30?Were there any sensors that weren't already installed and <br /> operational by the time the fuel was transferred to the tank? <br /> • What was tested for tank monitoring prior to transfer? <br /> Questions for the regular (87)fuel tanks and additive tank: <br /> • How long was the monitoring disconnected for the 87 tanks during panel replacement? <br /> • When was monitoring restored? <br /> • Alarm history : <br /> o Any indication of leak related alarms including Q alarms? <br /> o Any indication of pretesting of sensors when panel was replaced? <br /> 4 <br />