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07/24/2008 19:36 FAX 925 422 2748 WGMG <br />Thornton Environmental Construction, Inc. <br />UST Monitoring System Installation and Service Specialist <br />Construction • Upgrades . Certifications <br />P.O. Bost 360833 Milpitas, CA 95036-0833 <br />Phone (408) 946-1015 • (209) 834-0792 0 Fax (209) 834-0795 <br />SB989 Secondary Containment Testing Procedures <br />Protocol: <br />1. Schedule test date with the local Regulatory Agency allowing a minimum of 48 <br />hours advance .notice. <br />2. Verify approval of test procedures and test equipment with the Hazardous <br />Materials Inspector prior to test date. <br />3. Notify customer prior to test date of intent, duration of test and any estimated <br />down time to equipment if applicable. <br />4. Perform state mandated SB989 Secondary Containment Testing per manufactures <br />recommendation, NFPA or as specified and approved by local regulatory <br />authority. <br />5. Provide a completed SWRCB "Secondary Containment Testing Report Form" for <br />each site within 14 days for submittal to local Regulatory Agency within 30 days. <br />Test Equipment: <br />Sumps and Dispenser Pans: Hydrostatic testing using Caldwell Systems "Level Change <br />Indicator" Third party tested by RHL Group Inc., State of California Registered Civil <br />Engineers. Accuracy to 0.0025 ", increments at 0.01", 0.0075" and 0.005". <br />Secondary Piping: Pressure test using Nitrogen gas and Thuemling Manufactures <br />"Span" dial gauge, NIST certified, 0-15 psi with 0.5 psi increments and accuracy to 1% <br />of full scale. <br />Tank Annulars: Vacuum test using Precision Manufactures dial gauge , NIST certified, <br />0-30" bg with 1" hg increments and accuracy to 1% at mid scale. <br />Testing Procedures: <br />1. Notify site, personnel with intentions to conduct testing upon arrival. <br />2. Secure site and work area in accordance with safety procedures. <br />3. Open manways and make visual inspection to determine accessibility and / or <br />requirements for Confined Space Entry. <br />4. Verify test boots are in place or notify onsite personnel of any additional work or <br />change in scope before proceeding. <br />Z 005/007 <br />