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UNDER DISPENSER CONTAINMENT (UDC) TESTING <br /> Test Method By: Manufacturer • Industry Standard Professional Engr. Other(see below) <br /> Test Method Uses: Pressure Vacuum • Hydrostatic Other(see below) <br /> Measuring Equipment Used: Level Change Indicator (Caldwell System 2001/Walton Engineering) <br /> Description Disp # 1/2 Disp # 3/4 Disp # 5/6 Disp # 7/8 <br /> UDC manufacturer Total Containment Total Containment Total Containment Total Containment <br /> UDC material ----FRP FRP FRP FRP <br /> UDC depth (inches) 28" 28" 28" 28" <br /> Height from UDC bottom to highest 10" 1t7' 10" 10 <br /> piping penetration <br /> Height from UDC bottom to lowest 4" 4" 4" 4" <br /> electrical penetration <br /> Type of shut-down present Sensor Sensor Sensor Sensor <br /> Condition of UDC prior to testing Dry Dry Dry Dry <br /> Portion of UDC tested Entire Entire Entire Entire <br /> Was sensor rernoved for besting? Yes Yes Yes Yes <br /> Was sensor properly replaced after testing? Yes Yes Yes Yes <br /> Wait time for water level to stabilize (hrmin) 0:35 0:31 0:27 0:23 <br /> Depth of water level from UDC bottom (n.) 14" 14' 14 14" <br /> Test start time 1:35 PM 1:36 PM 1:37 PM 1:38 PM <br /> Test end time 2:05 PM 2:06 PM 2:07 PM 2:08 PM <br /> Test duration (hrmin) 0:30 0:30 0:30 0:30 <br /> Change in water level (±0.000 inches) 0.000 0.000 0.000 0.000 <br /> Pass/Fail threshold (0.005 inches/%:Hr.) 0.005 0.005 0.005 0.005 <br /> TEST RESULT PASS PASS PASS PASS <br /> Comments: <br /> ,c, 2003 Walton Engineering,Inc. <br />