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SWRCB,January 2002 Page_of <br /> 4. TANK ANNULAR TESTING <br /> Test Method Developed By: x Tank Manufacturer L Industry Standard E Professional Engineer <br /> O Other(Sped) <br /> Test Method Used: O Pressure x Vacuum I Hydrostatic <br /> O Other(Sped) <br /> Test Equipment Used: Dwyer Manometer Equipment Resolution:+/-2% <br /> Tank# 1 Refuse Tank# Tank# Tank# <br /> Is Tank Exempt Prom Destine?' E Yes x No E Yes E No ❑Yes E No E Yes E 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(R,): 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-R,): .43 <br /> Pass/Fail Threshold or Criteria: No less than I" No less than 1" No less than 1" No less than 1" <br /> Test Result: x Pass O Fail 0 Pass ❑Fail 0 Pass 0 Fair 0 Pass 'O Fail <br /> - <br /> Was sensor removed for testing? x Yes E No E NA x Yes O No O NA x Yes E No ❑NA x Yes ONo ENA <br /> Wassensorproperlyreplaced and xYes ONo [INA xYes ONo ONA xYes 11 No LINA xYes ENo LINA <br /> verified functional after testing? <br /> Comments—(include information on repairs made prior to testing and recommended allow-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 />