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Ah <br /> Mr 0 <br /> TANK ANNULAR TESTING <br /> Test Method By: ♦ Manufacturer O Industry Standard O Professional Engr_ Other(see below) <br /> Test Method Uses: o Pressure • vacuum o Hydrostatic o Other(see below) <br /> Measuring Equipment Used: Vacuum Gauge (range 0 to 30 inches Hg) <br /> Description Tank#1 Tank#2 Tank#3 Tank#4 <br /> Product stored Gasoline-91 Gasoline-89 Gasoline-87 Diesel <br /> Tank manufacturer Trusco Trusco Trusco Trusco <br /> Tank material _ Steel Steel Steel Steel <br /> Tank capacity (US gallons) _3,000 5,000 12,000 4,000 <br /> Is this a multi-compartment tank? Yes _Yes No Yes <br /> Dry or Brine filled annular? _ Dry _ Dry _ _ Dry Dry <br /> Monitoring system show normal annular? Yes Yes <br /> Is water table above tank bottom? U/K _ _ _ U/K <br /> Was sensor removed for testing? Yes Yes <br /> Was sensor properly replaced after testing? Yes Yes <br /> Wait time for vacuum to stabilize (hr:min) 0:10 _ _0:10 <br /> Test start time 8:31 AM _ 8:23 AM <br /> _ Initial vacuum (inches Hg) _ 7.0 7.0 <br /> Test end time 9:31 AM 9:23 AM <br /> Final vacuum (inches Hg) 7.0 _ 7.0 <br /> _Test duration (hr.min) _1:00 1:00 <br /> Change in vacuum (inches Hg) 0.0 0.0 <br /> Pass/Fail threshold (inches Hg/hour) 2.0 2.0 <br /> TEST RESULT PASS PASS <br /> Comments: <br /> Tank #2 is the second compartment of a three compartment tank (#1 /#2 44). <br /> Tank #4 is the third compartment of a three compartment tank (#1 /#2 44). <br /> No annular testincgrequired. <br /> O 2004 Welton Engin"Hng,Inc. <br />