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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 <br /> Tank product Gasoline-91 Gasoline-87 <br /> Sump material FRP FRP <br /> Sump diameter (inches) 42 42 <br /> Sump depth (inches) 54 52 <br /> Height from tank top to highest <br /> piping penetration (inches) 20 20 <br /> Height from tank top to lowest <br /> electrical penetration (inches) 17 19 <br /> Method of sump attachment to tank Tank Collar Tank Collar <br /> Condition of sump prior to testing Dry Dry <br /> Portion of sump tested Entire Entire <br /> Is system programmed for fail-safe operation? Unknown Unknown <br /> Was fail-safe verified to be operational? No No <br /> Was sensor removed for testing? Yes Yes <br /> Was sensor properly replaced after testing? Yes Yes <br /> Depth of water level from tank top (inches) 22 22 <br /> Wait time for water level to stabilize (hr:min) 0:05 0:05 <br /> Test start time 11:32 AM 10:13 AM <br /> Initial Probe Reading 5.2521 4.6056 <br /> Test end time 11:47 AM 10:28 AM <br /> Final Probe Reading 5.2516 4.6064 <br /> Test duration (hr:min) 0:15 0:15 <br /> Change in water level (t 0.0000 inches) -0.0005 0.0008 <br /> Pass/Fail threshold (±0.0020 inches/;Hr.) 0.0020 0.0020 <br /> TEST RESULT PASS PASS <br /> Comments: <br /> 0 2012 Walton Engineering,Inc. <br />