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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) 42 42 42 <br /> Sump depth (inches) 52 53 53 <br /> Height from tank top to highest 16 18 16 <br /> piping penetration (inches) <br /> Height from tank top to lowest 16 16 15 <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 Dry <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) 18 20 18 <br /> Wait time for water level to stabilize (hr.min) 0:05 0:05 0:05 <br /> Test start time 11:20 AM 11:40 AM 12:27 PM <br /> Initial Probe Reading 1.6868 1.6430 2.4702 <br /> Test end time 11:35 AM 11:55 AM 12:42 PM <br /> Final Probe Reading 1.6852 1.6421 2.4697 <br /> Test duration (hr.min) 0:15 0:15 0:15 <br /> Change in water level (±0.0000 inches) -0.0016 -0.0009 -0.0005 <br /> Pass/Fail threshold (±0.002 inches/}Hr.) 0.0020 0.0020 0.0020 <br /> TEST RESULT PASS PASS PASS <br /> Comments: <br /> C 2013 Walton Engineering,Inc. <br />