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Page: 5 of: 7 <br /> 7. UNDER-DISPENSER CONTAINMENT(UDC)TESTING <br /> Test Method Developed By: ❑Tank Manufacturer ❑ Industry Standard ❑ Professional Engineer <br /> ❑Other(Specify) <br /> Test Method Uses: ❑ Pressure ❑Vacuum ❑ Hydrostatic <br /> ❑Other(Specify) <br /> Measuring Equip. Used for Testing: <br /> UDC# UDC# UDC # <br /> UDC Manufacturer: <br /> UDC Material <br /> UDC Depth: <br /> Height from UDC Bottom to <br /> Highest Piping Penetration: <br /> Height from UDC Bottom to <br /> Lowest Electrical Penetration: <br /> Condition of UDC prior to testing: <br /> Portion of UDC Tested (1) <br /> Does turbine shut down when <br /> UDC sensor detects either <br /> product or water? <br /> Turbine shutdown response time(2) <br /> Is system programmed for fail-safe <br /> shutdown? <br /> Was fail-safe verified to be <br /> operational? <br /> Wait time applying pressure/ <br /> vacuum/water and starting test <br /> Test Start Test: <br /> Initial Reading (Ri): <br /> Test End Time: <br /> Final Reading (Rf): <br /> Test Duration: <br /> Change in Reading (Rf-Ri): <br /> Pass/Fail Threshold <br /> „S7�'�R61Stllt , <br /> Was sensor removed for testing? <br /> Was sensor replaced after testing? <br /> Comments-(include information on repairs made prior to testing) <br /> 1 If the testing method does not test the entire depth of the UDC,specify how much of the UDC was tested.Methods not <br /> testing the entire UDC should only be used if the monitoring system provides fail-save turbine shutdown. <br /> 2 With the submersible pump running,place the sensor in product(discriminating sensors should also be placed in water). <br /> The time between placing the sensor in product and the turbine shutting down is the response time.This should be done if <br /> the secondary containment testing method used does not test the entire volume of the UDC. <br /> SWRCB <br />