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S WRCB,January 2002 v. VW, 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"'j <br /> Tank# 1 Tank# 2 Tank# Tank# <br /> Is Tank Exempt From Testing?' ❑Yes x No ❑Yes ❑No ❑Yes ❑No ❑Yes ❑No <br /> Tank Capacity: 12,000 5,000 <br /> Tank Material: Steel Steel <br /> Tank Manufacturer: Unknown Unknown <br /> Product Stored: Premium Diesel <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: 10:30 11:00 <br /> Initial Reading(Ri): 7.90 8.19 <br /> Test End Time: 11:30 12:00 <br /> Final Reading(RF): 7.53 8.15 <br /> Test Duration: l hour l hour I hour l hour <br /> Change in Reading(RF-Rl): .37 .04 <br /> Pass/Fail Threshold or Criteria: No less than 1" No less than 1" No less than 1" No less than 1" <br /> 'fest Result: x Pass ❑Fail x 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 and x Yes ❑No ❑NA x Yes ❑No ❑NA x Yes ❑No ❑NA x Yes ®No ❑NA <br /> verified functional after testing? <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 /> t—t;nn 1('alifnmio C".of l7oc.4.iinne Titla'71 Cartinn')f.1'7la\fF.11 <br />