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Afford- a -test <br /> Secondary Containment/SB989 - a (20Rr j4-0112 <br /> Line/Leak Detectors i <br /> Tank Monitor Certification <br /> Air Quality Testing <br /> Overfill Prevention/Drop Tube Testing APR <br /> California UST Service Technicians <br /> California UST SWRCB Tank Testing <br /> ated License Oerators ��VIVI � . �,MU� g ' L f` L , (21 Lrc , l <br /> CSLB License #341375 t = E t ; N # . <br /> Secondary Containment Test Procedure Used To Determine Test Results <br /> Tank Secondary Containment — The Service Technician will test and certify using <br /> methods developed and recommended by the Tank Manufacture, Industry Standard or <br /> Professional Engineer . Test procedure recommended and used is a vacuum slowly <br /> applied to establish a stable vacuum of 6" to 10 " inches Hg . for one hour using a <br /> Standard Industry Vacuum Gauge with a range of 4 ' to -30 " measured in Hg . /inches of <br /> mercury . The test is completed at the end of one hour/Tanks with a Volume of 20 , 000 <br /> Gallons or less, and 2 hours for Tanks that exceed a Volume of 20 , 000 Gallons , if the <br /> vacuum reading does not decrease below the established vacuum or the Threshold <br /> Criteria recommended by the Tank Manufacture , Industry Standard, or Professional <br /> Engineer . <br /> Product Piping Containment/Vent Piping Containment/Vapor Recovery Piping <br /> Containment — The Service Technician will test and certify using methods developed <br /> and recommended by the Piping Manufacture , Bravo System UDC Manufacture, Industry <br /> Standard or Professional Engineer . Test procedure recommended and used is , Nitrogen <br /> Gas pressure , slowly applied to establish a stable pressure of 5 psi for one hour or 3 Psi <br /> for 1 hour using a Standard Industry Pressure Gauge with a range of 0 to 15 measured in <br /> Psi/Pounds per square inch . If the Product Piping is Fiberglass and the UDC ' s are a <br /> j Bravo System Manufacture, constructed of Coated Steel , with an O Ring Seal at <br /> Primary/Secondary Product Piping Interface at end of Product Piping Run at UDC ' s then, <br /> Bravo System Manufacture recommends a maximum applied test pressure of 3 Psi . The <br /> test is completed at the end of one hour if the pressure reading does not decrease below <br /> the established pressure or the Threshold Criteria recommended by the Piping <br /> Manufacture, Bravo System UDC Manufacture, Industry Standard or Professional <br /> Engineer. <br /> r <br /> Turbine/Product Piping Sump/Fill Riser Sump/Remote Fill Sump/Transition/Vent <br /> Sump/Spill Container/Misc. Sump connected to UST System — The Service <br /> Technician will test and certify using methods developed and recommended by the Sump <br /> Manufacture, Industry Standard or Professional Engineer. The test procedure <br /> recommended and used is Hydrostatic with a level change indicator that has been <br /> developed to indicate a standard leak rate of 1/4 inch in 24 hours within 30 minutes , and <br />