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4. Tank Annular Testing <br /> Test Method Developed By: ❑Tank Manufacturer X <br /> ❑Industry Standard ❑Professional Enoineer <br /> Test Method Used: ❑Pressure <br /> 0 Vacuum ❑Hydrostatic <br /> Test Equipment Used: vacuum Gauges/Pump <br /> Equipment Resolution: <br /> Tank# 87M Tank#87S— Tank# 91 Tank# <br /> Is Tank Exempt From Testing? O Yes ® No O Yes ® No <br /> O Yes ® NoO Yes ®No <br /> Tank Capacity: 10,000 gal. 10,000 gal. 10,000al. <br /> g _--gal. -- <br /> Tank Material: Composite ----- ---------- <br /> Composite Composite <br /> Tank Manufacturer: Modem Welding Modem Welding Modern Welding <br /> Product Stored: UL 87 GasUL 87 G --- — -- --"— ----------- <br /> as UL 91 Gas <br /> Waft time: 15 min <br /> 15 min 15 min <br /> ----- _ <br /> Test Start Time: 10:15 15 min <br /> -------- <br /> 10:45 10:30 <br /> Initial Reading(inHG) 10" 10" <br /> 10" <br /> Test End Tima: 11:15 <br /> 11 ------------ -----------------I <br /> :45 11:30 <br /> Final Reading(inHG): 10" 10" <br /> 10„ <br /> Test Duration(hh:mm) 1 hr 1 hr -- <br /> 1 hr 1 hr <br /> Change in Reading(inHG): 0.0 0.0 <br /> 0.0 0.0 <br /> Pass/Fall Threshold or <br /> Criteria: 0 0 <br /> 0 0 <br /> TestRssult 1 Pass O Fail ® Pass O Fail <br /> ® Pass O Fail ®Pass O Fail <br /> Was sensor removed for — ----- -- --- _ <br /> testing? ®Yes O No O NA *Yes O No O NA ®Yes O No O NA ®Yes O No O NA <br /> Was sensor properly replaced <br /> and verified functional after O Yes O No ® NA 'O Yes O No ® NA <br /> testing? O Yes O No ® NA O Yes O No ® NA <br /> Comments: <br />