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PRODUCT PIPING SUMP TESTING <br /> Test Method By: O Manufacturer • Industry Standard o Professional Engr o Other(see below) <br /> Test Method Uses: O Pressure o vacuum • Hydrostatic o Other(see below) <br /> Measuring Equipment Used: INCON TS-STS (Electronic Sump Test System) <br /> Description Tank#1 Tank#2 Tank#3 <br /> Tank product Gasoline-87 Gasoline-89 Gasoline-91 <br /> Sump material FRP FRP FRP <br /> Sump diameter (inches) 48 48 48 <br /> Sump depth (inches) 58 58 56 <br /> Height from tank top to highest 15 18 20 <br /> piping penetration (inches) <br /> Height from tank top to lowest 6 5 10 <br /> electrical penetration (inches) <br /> Method of sump attachment to tank Tank Collar Tank Collar Tank Collar <br /> Condition of sump prior to testing Dry Dry Wet <br /> Portion of sump tested Entire Entire Entire <br /> Is system programmed for fail-safe operation? Unknown Unknown Unknown <br /> Was fail-safe verified to be operational? No No No <br /> Was sensor removed for testing? Yes Yes Yes <br /> Was sensor properly replaced after testing? Yes Yes Yes <br /> Depth of water level from tank top (inches) 20 20 22 <br /> Wait time for water level to stabilize (hr:min) 0:10 0:15 0:20 <br /> Test start time 9:42 AM 9:42 AM 9:42 AM <br /> Initial Probe Reading 5.3444 6.3454 7.9867 <br /> Test end time 9:57 AM 9:57 AM 9:57 AM <br /> Final Probe Reading 5.3441 6.3449 7.9863 <br /> Test duration (hr:min) 0:15 0:15 0:15 <br /> Change in water level (±0.0000 inches) -0.0003 -0.0005 -0.0004 <br /> Pass/Fail threshold (±0.0020 inches/;Hr.) 0.0020 0.0020 0.0020 <br /> TEST RESULT PASS PASS PASS <br /> Comments: <br /> 0 2006 Walton Engineering,Inc. <br />