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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(Spec) <br /> Test Method Used: ❑Pressure x Vacuum ❑Hydrostatic <br /> ❑Other(Spec) <br /> Test Equipment Used: Dwyer Manometer Equipment Resolution: +/-2% <br /> Tank# 1 Tank# I Tank# Tank# <br /> Is Tank Exempt From Testing?' ❑ Yes x No ❑ Yes x No ❑Yes ❑No ❑ Yes ❑No <br /> Tank Capacity: 15,000 15,000 <br /> Tank Material: Steel Steel <br /> Tank Manufacturer: Modern Modern <br /> Product Stored: Diesel Regular <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: 12:20 12:40 <br /> Initial Reading(R1): 8.17 8.35 <br /> Test End Time: 1:20 1:40 <br /> Final Reading(RF): 8.16 8.33 <br /> Test Duration: 1 hour 1 hour 1 hour I hour <br /> Change in Reading(RF-Ri): .01 .02 <br /> Pass/Fail Threshold or Criteria: No less than 1" No less than I" No less than 1" No less than 1" <br /> Test Result: x Pass ❑Fail x Pass ❑Fail ❑ Pass ❑Fail ❑ Pass ❑Fail <br /> Was sensor removed for testing? x Yes ❑No [INA x Yes ❑No O NA x Yes ❑No ❑NA x Yes ❑No ❑NA <br /> Was sensor properly replaced and x Yes ❑No ❑NA x Yes ❑No ❑NA x Yes O No ❑NA x Yes ❑No ❑NA <br /> verified functional after testin ? <br /> Comments—(include information on repairs made prior to testing, and recommended follow-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 /> tr etina 1('alifnrnia('n`lP of Raonlatinnc Tit1P 7'2 Cartinn 7(+27(al((.11 <br />