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PRODUCT PIPING SUMP TESTING <br /> Test Method By: O Manufacturer • Industry standard Professional Engr Other (see below) <br /> Test Method Uses: O Pressure vacuum • Hydrostatic G Other(see below) <br /> Measuring Equipment Used: INCON TS-STS (Electronic Sump Test System) <br /> Description Tank#1 Tank#2 Tank#3 Tank #4 <br /> Tank product Gasoline-91 Gasoline-89 Gasoline-87 Diesel <br /> Sump material FRP FRP FRP FRP <br /> Sump diameter (inches) 42 42 42 42 <br /> Sump depth (inches) 41 40 40 41 <br /> Height from tank top to highest 15 15 16 15 <br /> piping penetration (inches) <br /> Height from tank top to lowest 13 12 15 13 <br /> electrical penetration (inches) <br /> Method of sump attachment to tank Tank Collar Tank Collar Tank Collar Tank Collar _ <br /> Condition of sump prior to testing Dry Dry Dry Dry <br /> Portion of sump tested Entire Entire Entire Entire <br /> Is system programmed for fail-safe operation? U/K U/K U/K U/K <br /> Was fail-safe verified to be operational? No No No No <br /> Was sensor removed for testing? Yes Yes _ Yes Yes <br /> Was sensor properly replaced after testing? Yes Yes Yes Yes <br /> Depth of water level from tank top (inches) 16.50 17.75 _ 19.00 __ _ 16.25 <br /> Wait time for water level to stabilize (hr:min) _ 0:10 0:10 0:10 0:10 <br /> Test start time 10:15 AM 10:23 AM 10:50 AM 11:10 AM <br /> Initial Probe Reading 16.5000 17.7500 _. 19.0000 16.2500 <br /> Test end time 10:30 AM 10:38 AM 11:05 AM 11:25 AM <br /> Final Probe Reading 14.0000 16.7500 _ 18.5000 15.7500 <br /> Testduration (hrmin) 0:15 0:15 0:15 0:15 <br /> Change in water level (±0.0000 inches) -2.5000 -1.0000 -0.5000 -0.5000 _ <br /> Pass/Fail threshold (±0.0020 inches/}Hr.) 0.0020 0.0020 0.0020 0.0020 <br /> TEST RESULT FAIL FAIL FAIL FAIL <br /> Comments: <br /> 0 2004 Walton Engineering,Inc. <br />