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SWRCB,January 2002 Page__of <br /> 4. TANK ANNULAR TESTING <br /> Test Method Developed By: x Tank Manufacturer Industry Standard Professional Engineer <br /> Other(Specify) <br /> Test Method Used: Pressure x Vacuum Hydrostatic <br /> Other(Specify) <br /> Test Equipment Used: Dwyer Manometer Equipment Resolution:-i/-2% <br /> Tankr -# I Refuse Tank# Tank# - Tank# <br /> la-I anl, 1 Xempt Flom i Cstutw J� Yes x No Yes No Yes No Yes No - <br /> Tank Capacity: 6,000 <br /> Tank Material: Fiberglass <br /> Tank Manufacturer: Owens Corning <br /> Product Stored: Contact Water <br /> Wait time between applying <br /> pressure/vacuum/water and 30 min 30 min 30 min 30 min <br /> starting test: <br /> Test Start Time: 11:50 <br /> Initial Reading(Rt): 5.50 <br /> Test End Time: 12:50 <br /> Final Reading(RF): 5.07 <br /> Test Duration: 1 hour 1 hour - 1 hour I hour <br /> Change in Reading(RF-Rt): .43 <br /> Pass/Fail Threshold or Criteria: No less than 1" No less than I" No less than I" No less than 1" <br /> Test Result: x Pass ❑Fail ❑ Pass ❑Fail ❑ Pass ❑Fail ❑ Pass ❑Fail <br /> Was sensor removed for testing? x Yes No NA x Yes No NA x Yes No NA x Yes No NA <br /> Was sensor properly replaced andx Yes No NA x Yes No NA x Yes No NA x Yes No NA <br /> verified functional after testing? <br /> Coriunents— (include information on repairs made prior to testing, and recommended folloiv-up for failed tests) <br /> Secondary containment systems where the continuous monitoring automatically monitors both the primary and secondary <br /> containment, such as systems that are hydrostatically monitored or under constant vacuum,are exempt from periodic containment <br /> testing. {California Code of Regulations,Title 23,Section 2637(a)(6)) <br />