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TANK ANNULAR TESTING <br />_............ <br />Test Method By: 0 Manufacturer O Industry Standard O Professional Engr. O Other (see below) <br />Test Method Uses o Pressure t Vacuum O Hydrostatic O Other (see below) <br />Measuring Equipment Used: Vacuum Gauge (range 0 to 30 inches Hg) <br />Description <br />Tank #1 <br />Tank Manufacturer <br />Joor <br />Tank Type <br />Steel <br />10,000 <br />Diesel <br />Tank Capacity <br />Product Stored <br />Is this a multi-compartment tank? <br />No <br />Brine filled or Dry Annular? <br />(if brine filled, perform no vacuum testing) <br />Dry <br />Monitoring system show normal annular? <br />Yes <br />Is water table above tank bottom? <br />Unknown <br />Was sensor removed for testing? <br />Yes <br />Was sensor properly replaced after testing? <br />Yes <br />Wait time for vacuum to stabilize (hr:min) <br />0:15 <br />Test start time <br />1:00 AM <br />Initial vacuum (inches Hg) <br />7 <br />Test end time <br />2:00 AM <br />Final vacuum (inches Hg) <br />7 <br />Test duration (hours:minutes) <br />1:00 <br />Change in vacuum (inches Hg) <br />0 <br />Pass/Fail threshold (inches Hg/hour) <br />2 <br />TEST RESULT <br />PASS <br />Comments: <br />O 2002 Walton Engineering, Inc <br />