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C: 2015 Walton Engineering, Inc. <br />TANK ANNULAR TESTING <br />OCT 19 2015 <br />Test Method B Y <br />• Manufacturer <br />O Industry Standard <br />ENVIRONMENTAL <br />HEALTH r1C7nOTAnCPIT <br />O Professional Engr. O Other (see below) <br />Test Method Uses: <br />O Pressure <br />• Vacuum <br />O Hydrostatic Y <br />Other (see below) <br />Measuring Equipment Used: <br />Vacuum Gauge (range 0 to 30 inches Hg) <br />Description <br />Tank #1 <br />Tank #2 <br />Tank #3 <br />Tank #4 <br />Product stored <br />Tank manufacturer <br />Tank material <br />Tank capacity (US gallons) <br />Is this a multi-compartment tank? <br />Dry or Brine filled annular? <br />Monitoring system show normal annular?Yes <br />Is water table above tank bottom? <br />Was sensor removed for testing? <br />Was sensor properly replaced after testing? <br />Gasoline - 87 East Gasoline - 87 West Gasoline - 91 <br />-- <br />Modem _Modem Modem <br />Steel Steel Steel <br />20,000 <br />20,000 N�o <br />No No _ <br />Dry Dry Dry <br />Yes Yes <br />Unknown Unknown Unknown <br />Yes Yes Yes _ <br />Yes Yes Yes <br />_ Diesel <br />_ Modern <br />_ Steel <br />12,000 <br />_ No <br />Dry <br />_ Yes <br />Unknown <br />Yes <br />Yes <br />Wait time for vacuum to stabilize (hr:min) <br />:10 <br />:10 <br />:10 <br />:10 <br />Test start time <br />9:33 AM <br />9:51 AM <br />10:06 AM <br />10:17 AM <br />Initial vacuum (inches Hg) 7.07.0 <br />7.0 <br />7.0 <br />Test end time11:33 <br />Final vacuum (inches Hg) <br />Test duration (hr:min)2:00 <br />Change in vacuum (inches Hg) <br />Pass/Fail threshold (inches Hg / hour) <br />AM <br />7.0 <br />0.0 <br />2.0 <br />11:51 AM <br />7 07 <br />2:00 <br />0.0 <br />2.0 <br />12:06 PM <br />0 <br />2:00 <br />0.0 <br />2.0 <br />11:17 AM <br />7.0 <br />1:00 <br />0.0 <br />2.0 <br />TEST RESULT <br />PASS <br />PASS <br />PASS <br />PASS <br />Comments: <br />C: 2015 Walton Engineering, Inc. <br />