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SECONDARY LINE TESTING <br /> Test Method By: Manufacturer • Industry standard Professional Engr c; Other(see below) <br /> Test Method Uses: • Pressure vacuum Hydrostatic Other (see below) <br /> Measuring Equipment Used: Pressure Gauge (range 0 to 15 psig) <br /> Description Line #1 Line#2 Line#3 Line#4 <br /> Tank product Gasoline-91 Gasoline-89 Gasoline-87 _ Diesel <br /> Pipe manufacturer Centron Centron Centron _ Centron <br /> Pipe material FRP FRP FRP FRP <br /> _ Primary pipe diameter (inches) 2 _ 2 2 _ _ 2 <br /> Secondary pipe diameter (inches) _ 3 _ _ 3 3 _ 3 <br /> Method of secondary pipe isolation Clamshell Clamshell Clamshell Clamshell <br /> Location of secondary pipe isolation Sump Sump Sump Sump <br /> Estimated length of piping run (feet) 190 170 180 130 <br /> (include length of branch runs) <br /> Wait time for pressure to stabilize (hr:min) 0:10 0:10 0:10 0:10 <br /> Test start time 11:09 AM 10:23 AM 11:43 AM 11:10 AM <br /> Initial pressure (psig) 5.0 5.0 5.0 —5.0 _ <br /> Test end time _12:09 PM _ 11:23 AM 12:43 PM 12:10 PM <br /> Final pressure(psig) 2.5 5.0 5.0 4.5 <br /> Test duration (hr:min) 1:00 1:00 _ 1:00 _ 1:00 <br /> Change in pressure (psig) 2.5 0.0 0.0 0.5 <br /> Pass/Fail threshold (psig) 0.5 0.5 0.5 0.5 <br /> TEST RESULT FAIL PASS PASS FAIL <br /> Comments: <br /> :c 2004 Walton Engineering,Inc. <br />