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Environmental Health Department <br /> SAN JOAQUIN <br /> COUNTY <br /> Kasey Foley , REHS , Interim Director <br /> PROGRAM COORDINATORS <br /> Robert McClellon , REHS <br /> Jeff Carruesco , REHS , RDI <br /> Willy Ng , REHS <br /> Muniappa Naidu , REHS <br /> Michael Kith , REHS <br /> Melissa Nissim , REHS <br /> December 23 , 2019 <br /> ALEXIA INIGUES <br /> COSTCO WHOLESALE C/O BARGHAUSEN CONSULTING ENGINEERS , INC <br /> 1821572 ND AVE SOUTH <br /> KENT , WA 98032 <br /> Re : COSTCO WHOLSALE # 1031 SR0081514 <br /> 2440 DANIELS ST . , MANTECA , CA 95336 <br /> The San Joaquin County Environmental Health Department ( EHD ) has completed the review of the <br /> application for a permit to relocate and replace existing vent riser and sump on the underground storage <br /> tank ( UST) system at the above noted address . The permit has been approved with the following <br /> conditions : <br /> 1 . Contact the local fire department (and the San Joaquin Valley Air Pollution Control District for <br /> any applicable permits and requirements . <br /> 2 . Any changes in information and scope of work must be submitted to EHD for approval prior to <br /> commencing work . All new addenda supersede the previous ones . <br /> 3 . Provide written notification to ust@sjgov . org to arrange the following inspection appointments . <br /> All appointments must be scheduled 48 hours in advance . <br /> a ) Witness water and/ or soil sampling under removed vent sump and any removed piping . <br /> b) Primary piping soap test of all vent piping and penetrations : One hour pneumatic pressure test <br /> at 110 % of operating pressure , or 40 psi , whichever is greater. <br /> c) Secondary piping soap test of all vent piping and penetrations : One- hour pressure test at the <br /> manufacturers recommended specification . <br /> d ) Secondary piping slope , at 1 / 8 inch per foot or greater, to a containment sump with an <br /> audible/visual alarm . <br /> e ) Verification of all pipe setbacks and burial depth according to the manufacturer' s installation <br /> Instructions . Verification of appropriate backfill . <br /> f) Integrity testing of the vent sumps per the manufacturer' s installation instructions prior to <br /> backfill , and brine type verification and brine addition prior to backfill . <br /> g ) Verification of leak monitoring communication for all installed vacuum , pressure , or hydrostatic <br /> (VPH ) components including piping and sumps . Communication at end point (s ) of each <br /> vacuum zone termination must be verified . All appropriate connections to facilitate <br /> communication testing must be present . <br /> h ) VPH components installation verification <br /> 4 . Any individual performing the work of a service technician must meet the following <br /> qualifications : <br /> 1868 E . Hazelton Avenue Stockton , California 95205 T 209 468 - 3420 F 209 464-0138 1 www . sjcehd . com <br />