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SWRCB, January 2002 0 E Test Method Developed By: ❑ UDC Manufacturer ❑ Industry Standard ❑ Professional Engineer ❑ other ( SPect Test Method Uses: 0 Pressure ❑ Vacuum ❑ Hydrostatic ❑ Other (Specik) Test Equipment Used: Resolution: UDC # UDC # U DC# # Manufacturer: _UDC UDC Material: UDC Depth: Height from UDC Bottom to Top of Highest Piping Penetration: Height from UDC Bottom to Lowest Electrical Penetration: Condition of UDC prior to testing: Portion of UDC Testedi Does turbine shut down when UDC sensor detects either product or water?* Turbine shutdown response timet * Is system programmed for fail- safe shutdown?* Was fail-safe verified to be operational?* Wait time between applying pressure/vacuum/water and test: —starting Test Start Time: Initial Reading (Ri): Test End Time: Final Reading (Rf): Test Duration: —Change in Reading (Rf-Ri Pass/Fail Threshold or Criteria: Test Result: Was sensor removed for testing? Was sensor properly replaced and verified functional after testing? Comments - (include information on repairs made prior to testing, and recommended follow-up for jailed tests) i If the testing method does not test the entire depth of the UDC, specify how much of the UDC was tested. Methods not testing the entire UDC should only be used if the monitoring system provides fail-safe shutdown. (See SWRC13 LG -160) 2 With the submersible pump running, place the sensor in product (discriminating sensors should be placed in water). The time between placing the sensor in product and the turbine shutting down is the response time. This should be done if the secondary containment method used does not test the entire volume of the UDC. * This information is not needed if the entire sump is tested.