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S <br /> TESTINGTANK ANNULAR <br /> Test Method By: • Manufacturer ' Industry Standard Professional Engr. Other(see below) <br /> Test Method'uses: Pressure Vacumn 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) 10,000 10,000 8,000 <br /> Product stored Gasoline-87 Gasoline-89 Gasoline-91 <br /> Is this a mufti-compartment tank? No No No <br /> Dry or Brine filled annular? Dry Dry Dry <br /> if brine filled,eerform no vacuum testiavl <br /> Monitoring system show normal annular? Yes Yes Yes <br /> Is water table above tank bottom? Unknown Unknown Unknown <br /> Was sensor removed for testing? Yes Yes Yes <br /> Was sensor property replaced after testing? Yes Yes Yes <br /> Waft time for vacuum to stabilize (hr:min) 0:04 0:05 0:04 <br /> Test start time 1:55 PM 1:23 PM 1:15 PM <br /> Initial vacuum (inches Hg) 10 10 10 <br /> Test end time 2:55 PM 2:23 PM 2:15 PM <br /> Final vacuum (inches Hg) 10 10 10 <br /> Test duration (hr:min) 1:00 1:00 1:00 <br /> Change in vacuum (inches Hg) 0 0 0 <br /> Pass/Fail threshold (inches Hg!hour) 2 2 2 <br /> TEST RESULT PASS PASS PASS <br /> Comments <br /> © 2003 Walton Engineering,Inc. <br />