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SPILL CONTAINER CONTAINMENT 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: Level Change Indicator (Caldwell System 2001 /Walton Engineering) <br /> Description Tank#1 Tank#2 Tank#3 Tank#4 <br /> Product contained Gasoline-91 Gasoline-89 Gasoline-87 Diesel <br /> Spill container manufacturer OPW OPW OPW OPW <br /> Spill container capacity (US gallons) 5 5 5 5 <br /> Spill container depth (inches) 16.00 <br /> Is Spill container located in a sump? No <br /> Does sump have a liquid sensor installed? No <br /> Condition of spill container prior to testing Dry <br /> Portion of spill container tested Entire <br /> Depth of water level from SC bottom (in.) 14.50 <br /> Wait time for water level to stabilize (hr:min) 0:05 <br /> Test start time 11:54 AM <br /> Test end time 12:24 PM <br /> Test duration (hr:min) 0:30 <br /> Change in water level (t 0.000 inches) 0.000 <br /> Pass/Fail threshold (0.005 inches/'/2 Hr.) 0.005 <br /> TEST RESULT PASS <br /> Comments: <br /> This is a retest of the 91 spill container after replacement. <br /> © 2011 Walton Engineering,Inc. <br />