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San Joaquin County <br /> oP '-.� Environmental Health Department DIRECTOR <br /> Donna Heran, RENS <br /> 600 East Main Street <br /> y _ ` Stockton, California 95202-3029 <br /> PROGRAM COORDINATORS <br /> Margaret Lagorio, REHS <br /> Robert McClellon,REHS <br /> N P Website: www.sjgov.org/ehd Jeff Carruesco, REHS,RDI <br /> Phone: (209)468-3420 Kasey Foley,REHS <br /> December 3, 2010 Fax: (209)464.0138 <br /> Alexia Inigues, Project Planner <br /> Barghausen Consulting Engineers, Inc. <br /> 1821572 nd Street South <br /> Kent, Washington 98032 <br /> Re: Costco Gasoline #38, 1616 E Hammer Lane, Stockton, CA SR0061477 <br /> The San Joaquin County Environmental Health Department (EHD) has completed the review of <br /> the application for a permit to install a transition vent sump and liquid sensor on the <br /> underground storage tank (UST) system at the above noted address. The permit has been <br /> approved with the following conditions: <br /> 1. Contact the local fire department and the San Joaquin Valley Air Pollution Control <br /> District for any applicable permits and requirements. <br /> 2. Any changes in information and scope of work must be submitted to EHD for approval <br /> prior to commencing work. All new addenda supersede the previous ones. <br /> 3. Contact Garrett Backus at (209) 468-2986 to arrange the following inspection <br /> appointments (a 48-hour notice is required for inspection appointments). Please be <br /> aware that inspections for emergency work must be scheduled within five days of permit <br /> approval. <br /> a. Sensor functionality— vent sump sensor: Functionality of the monitoring system must <br /> be verified to ensure that monitoring has been restored to meet the requirements of <br /> Title 23 California Code of Regulations and the Health & Safety Code. <br /> b. Primary piping soap test before backfill: One hour pneumatic pressure test at 110% <br /> of operating pressure, or 40 psi, whichever is greater. <br /> c. Secondary piping soap test before backfill: One hour pressure test per <br /> manufacturer's guidelines. If there are no manufacturer's guidelines, test shall be <br /> performed using an applicable method specified in an industry code or engineering <br /> standard. <br /> d. 24-hour hydrostatic test (or equivalent) on transition vent sump, after backfill and <br /> concrete is dry. <br /> e. Secondary containment testing on the vent line, after backfill and concrete is dry. <br /> Please be aware that the facility cannot operate the UST system prior to the EHD <br /> inspection and approval. <br />