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Duncan Compliance: Dba, R& D Compliance Testing Secondary Containment/SB989 (707)621-0378 Line/Leak Detectors Tank Monitor Certification California UST Designated Operator#5246802-UC California UST Service Technician#5246802-U T CSL B L i cense#1036490 Secondary Containment Test Procedure Used To Determine Test Results Tank Secondary Containment —The Service Technician will test and certify using methods developed and recommended by the Tank Manufacture, Industry Standard or Prof essi onal Engi neer. Test procedure recommended and used i s a vacuum sl owl y appl i ed to establ i sh a stabl e vacuum of 6" to 10" i nches Hg. for one hour usi ng a Standard I ndustry Vacuum Gauge wi th a range of -0" to-30" measured i n Hg./i nches of mercury. The testis completed at the end of one hour/Tanks with a Volume of 20,000 Gal Ions or less, and 2 hours for Tanks that exceed a Volume of 20,000 Gal Ions, if the vacuum readi ng does not decrease bel ow the establ i shed vacuum or the Threshol d Criteria recommended by the Tank Manufacture, Industry Standard, or Professional Engi neer. Product Piping Containment/Vent Piping Containment/Vapor Recovery Piping Contai n ment —The Servi ce Techni ci an wi I I test and certi fy usi ng methods devel oped and recommended by the Piping Manufacture, Bravo System UDC Manufacture, Industry Standard or Professional Engineer. Test procedure recommended and used is, Nitrogen Gas pressure, sl owl y appl i ed to establ i sh a stabl e pressure of 5 psi for one hour or 3 Psi for 1 hour usi ng a Standard I ndustry Pressure Gauge with a range of 0 to 15 measured i n Psi/Pounds per square inch. If the Product R ping is Fi bergl ass and the U DC's area Bravo System Manufacture, Model B2000, constructed of Coated Steel, with an O Ring Seal at Pri mary/Secondary Product R pi ng I nterf ace at end of Product R pi ng Run at U DC's then, Bravo System M anufacture recommends a pressure range of 2 Psi to 3 Psi maxi mum appl i ed test pressure. The test i s compl eted at the end of one hour i f the pressure readi ng does not decrease below the establ i shed pressure or the Threshold Criteria recommended by the R ping Manufacture, Bravo System UDC Manufacture, I ndustry Standard or Prof essi onal Engi neer. Turbine/Product Piping Sump/Fill Riser Sump/Remote Fill Sump/Transition/Vent Sump/Spill Container/Misr. Sump connected to UST System —The Service Technician will test and certify using methods developed and recommended by the Sump M anufacture, I ndustry Standard or Prof essi onal Engi neer. The test procedure recommended and used i s Hydrostati c wi th a I evel change i ndi cator that has been devel oped to i ndi cate a standard I eak rate of '/4 i nch i n 24 hours wi thi n 30 mi nutes, and has been exami ned and revi ewed by a thi rd party Prof essi onal Engi neer. The Servi ce Techni ci an wi I I perform a1 I Hydrostati c Testi ng usi ng the Cal dwel I Systems L evel