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SAN JOAQUIN --c 0 LJ N Y <br />March 2, 2017 <br />Environmental Health Department <br />Linda Turkatte, REHS, Director <br />Kasey Foley, REHS, Assistant Director <br />PROGRAM COORDINATORS <br />Robert McClellon, REHS <br />Jeff Carruesco, REHS, RDI <br />Rodney Estrada, REHS <br />Willy Ng, REHS <br />Muniappa Naidu, REHS <br />Pete Tobin <br />Barghausen Consulting Engineers Inc. <br />915 Highland Pointe Drive, Suite 250 <br />Roseville, CA 95678 <br />SUBJECT: ARCO, 10715 Trinity Parkway, Stockton, CA 95219 SR0075823 <br />The amended permit application to install an underground storage tank (UST) system at the above address has <br />been reviewed by the Environmental Health Department. Please provide the following additional underground <br />tank system information. <br />1. The installing technician's certifications. At least one person shall have ICC and Manufacturer <br />certifications on site during installation. Certification needed: Hosemaster stainless steel flex pipe <br />manufacturer training certification. <br />2. Explain how communication can be demonstrated throughout the hydrostatic monitored interstitial <br />spaces of the vent line transition sump and under dispenser containment (UDC) sumps. <br />Hydrostatic liquid communication must be demonstrated at the far ends of all interstitial spaces. Each <br />double-walled hydrostatic sump must be tested throughout the sump. Include a drawing of all test ports <br />used to test communication. Typically, a minimum of two test ports in each hydrostatically monitored <br />sump, UDC and vent sump is necessary to verify communication of the interstitial fluid throughout the <br />sump. ( GgCr\J isto Eotz- 1.24.7u <br />The plans show the fill and turbine sump interstitial fluid communication (2 nd ) ports. (1 <br />The vent and under dispenser containment sump drawings (G.0.6.2, M.5.3.22, M.5.3.23) do not show <br />the interstitial fluid communication (2 nd ) ports. <br />3. The plans must show the vacuum monitored zones. List the vacuum sensors and the zones they will <br />monitor. Include all product, vent and vapor recovery piping secondary containment. 'Ji)AA <br />If you have any questions, please contact me at gbackus©sjcehd.com or 209-468-2986. ,02.0 <br />Garrett Backus, Lead Senior REHS <br />1868 E. Hazelton Avenue I Stockton, California 95205 I T 209 468-3420i F 209 454-0138 www.sjcehd.com