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Secondary Containment Test Procedure Used To Determine Test Results <br /> Tank Secondary Containment — The Service Technician will test and certify <br /> using methods developed and recommended by the Tank Manufacture, Industry <br /> Standard or Professional Engineer. Test procedure recommended and used is a <br /> vacuum slowly applied to establish a stable vacuum of 6" to 10" inches Hg. for one <br /> hour using a Standard Industry Vacuum Gauge with a range of-0" to -30" <br /> measured in Hg./inches of mercury. The test is completed at the end of one <br /> hour/Tanks with a Volume of 20,000 Gallons or less, and 2 hours for Tanks that <br /> exceed a Volume of 20,000 Gallons, if the vacuum reading does not decrease <br /> below the established vacuum or the Threshold Criteria recommended by the Tank <br /> Manufacture, Industry Standard, or Professional Engineer. <br /> Product Piping Containment/Vent Piping Containment/Vapor Recovery <br /> Piping Containment — The Service Technician will test and certify using methods <br /> developed and recommended by the Piping Manufacture, Bravo System UDC <br /> Manufacture, Industry Standard or Professional Engineer. Test procedure <br /> recommended and used is, Nitrogen Gas pressure, slowly applied to establish a <br /> stable pressure of 5 psi for one hour or 3 Psi for 1 hour using a Standard Industry <br /> Pressure Gauge with a range of 0 to 15 measured in Psi/Pounds per square inch. If <br /> the Product Piping is Fiberglass and the UDC's are a Bravo System Manufacture, <br /> constructed of Coated Steel, with an O Ring Seal at Primary/Secondary Product <br /> Piping Interface at end of Product Piping Run at UDC's then, Bravo System <br /> Manufacture recommends a maximum applied test pressure of 3 Psi. The test is <br /> 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 /> Turbine/Product Piping Sump/Fill Riser Sump/Remote Fill <br /> Sump/Transition/Vent Sump/Spill Container/Misc. Sump connected to UST <br /> System — The Service Technician will test and certify using methods developed <br /> and recommended by the Sump Manufacture, Industry Standard or Professional <br /> Engineer. The test procedure recommended and used is Hydrostatic with a level <br /> change indicator that has been developed to indicate a standard leak rate of 1/a inch <br /> in 24 hours within 30 minutes, and <br />