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SWRCB,January 2002 Page of <br /> 4. TANK ANNULAR TESTING <br /> Test Method Developed By: ❑Tank Manufacturer ❑ Industry Standard ❑Professional Engineer <br /> ❑Other(Spec) <br /> Test Method Used: ❑Pressure ❑Vacuum ❑Hydrostatic <br /> ❑Other(Spec) <br /> Test Equipment Used: Dwyer Manometer Equipment Resolution:+/-2% <br /> Tank#1 Tank#2 Tank#3 Tank#4 <br /> Is Tank Exempt From Testing?' ❑Yes x No ❑Yes x No ❑Yes x No ❑Yes x No <br /> Tank Capacity: 10,000 2,000 5,000 <br /> Tank Material: Fiberglass Fiberglass Fiberglass Fiberglass <br /> Tank Manufacturer: Western Western Unknown Unknown <br /> Product Stored: Regular Regular Diesel Waste Oil <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: 9:20 9:55 11:33 1:10 <br /> Initial Reading(RI): 8.25 8.28 8.22 8.26 <br /> Test End Time: 10:20 10:55 12:33 2:10 <br /> Final Reading(RF): 8.23 8.25 8.17 8.25 <br /> Test Duration: 1 Hour 1 Hour 1 Hour I Hour <br /> Change in Reading(RF-RI): .02 .03 .05 .01 <br /> Pass/Fail Threshold or Criteria: No less 1"drop No less I"drop No less 1"drop No less 1"drop <br /> Test Result: x Pass ❑Fail x Pass ❑Fail x Pass ❑Fail x 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 and <br /> verified functional after testing? x Yes ❑No ❑NA x Yes ❑No ❑NA x Yes ❑No ❑NA x Yes ❑No ❑NA <br /> Comments—(include information on repairs made prior to testing, and recommended follow-up for failed tests) <br /> I 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 /> t—ti— W( I;fnrnia ("—A.of Rannlatinne Titles TI ')A'2'7(aVA)k <br />