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r , <br /> TANK ANNULAR TESTING <br /> Test Method By: • Manufacturer Industry Standard Professional Engr. Other(see below) <br /> Test Method Uses: Pressure • Vacuum Hydrostatic Other(see below) <br /> Measuring Equipment Used: Vacuum Gauge (range 0 to 30 inches Hg) <br /> Description Tank#1 Tank#2 Tank#3 <br /> Tank manufacturer Xerxes Xerxes Xerxes <br /> Tank material FRP FRP FRP <br /> Tank capacity (US gallons) 30,000 12,000 8,000 <br /> Product stored Gasoline-87 Gasoline-91 Diesel <br /> Is this a multi-compartment tank? No Yes Yes <br /> Dry or Brine filled annular? Brine FIW Brine Ftlled N/A <br /> (if brine filled,perform no vacuum testing) <br /> Monitoring system show normal annular? Yes Yes N/A <br /> Is water table above tank bottom? Unknown Unknown WA <br /> Was sensor removed for testing? N/A N/A N/A <br /> Was sensor property replaced after testing? N/A N/A N/A <br /> Wait time for vacuum to stabilize (hrmin) <br /> Test start time <br /> Inftial vacuum (inches Hg) <br /> Test end time <br /> Final vacuum (inches Hg) <br /> Test duration (hr:min) <br /> Change in vacuum (r>ches Hg) <br /> Pass/Fail threshold (inches Hg/hour) <br /> TEST RESULT <br /> Comments: <br /> Both physical tanks have brine filled annulars. <br /> Vacuum testing is not required. <br /> :c: 2003 Walton Engineering,Inc. <br />