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SWRCB, January 2002 7. UNDER -DISPENSER CONTAINMENT (UDC) TESTING Page 5 of 7 Test Method Developed By: ❑ UDC Manufacturer N Industry Standard ❑ Professional Engineer ❑ Other (Spec) Test Method Used: ❑ Pressure ❑ Vacuum ® Hydrostatic ❑ Other (Specify) Test Equipment Used:Incon TS -STS Equipment Resolution:+/ -0.0001" Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) 1 If the entire depth of the UDC is not tested, specify how much was tested. If the answer to any of the questions indicated with an asterisk (*) is "NO" or "NA", the entire UDC must be tested. (See SWRCB LG -160) UDC #26 Main UDC #26 Sat UDC #27 Main UDC 927 Sat UDC Manufacturer: Western Fiberglass Western Fiberglass Western Fiberglass Western Fiberglass UDC Material: FRP FRP FRP FRP UDC De the 31" 31" 31" 31" Height from UDC Bottom to Top 9" 9" 9" 9" of Highest Piping Penetration: Height from UDC Bottom to 6" 6" 6" 6" Lowest Electrical Penetration: Condition of UDC prior to OK OK OK OK testing: Portion of UDC Tested 2"above highest Pipe pen 2"above highest Pipe pen 2"above highest Pipe pen 2"above highest Pipe pen Does turbine shut down when UDC sensor detects liquid (both ❑Yes [:]No ®NA ❑Yes [:]No ®NA ❑Yes [:]No ®NA ❑Yes ❑No ®NA product and water)?` Turbine shutdown response time N/A N/A N/A N/A Is system programmed for fail- ❑Yes ❑No ®NA ❑Yes ❑No ®NA [:]Yes❑No ®NA [:]Yes[—]No ®NA safe shutdown?' Was fail-safe verified to be❑Yes [-]No ®NA Y❑es N❑o NA ® Yes ❑ ❑No ®NA ❑Yes ❑No ®NA operational?* Wait time between applying pressure/vacuum/water and 15 Minutes 15 Minutes 15 Minutes 15 Minutes starting test Test Start Time: 2:01 2:17 2:45 3:01 2:45 3:01 3:01 3:18 Initial Reading (RI): 4.6325 4.6330 3.5651 3.5650 4.7942 4.7939 3.7267 3.7267 Test End Time: 2:16 2:32 3:00 3:16 3:00 3:16 3:16 3:33 Final Reading (RF): 4.6330 4.6328 3.5649 3.5649 4.7939 4.7939 3.7265 3.7266 Test Duration: 15 Min Each (30 Min) 15 Min Each (30 Min 15 Min Each 30 Min 15 Min Each 30 Min) Change in Reading (RF -RI): 070-0-0-5-1 0.0002 0.0002 1 0.0001 0.0003 1 0.0000 0.0002 1 0.0001 Pass/Fail Threshold or Criteria: +/- 0.002" +/- 0.002" +/- 0.002" +/- 0.002" Test Result: ® Pass ❑ Fail ® Pass ❑ Fail ® Pass ❑ Fail M Pass ❑ Fail Was sensor removed for testing? Yes [-]No NA ZYes ❑No NA ZYes ❑No NA ®Yes No NA Was sensor properly replaced and ®Yes ❑No ❑NA ®Yes ❑No ❑NA ®Yes ❑No ❑NA ®Yes ❑No ❑NA verified functional after testing? Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) 1 If the entire depth of the UDC is not tested, specify how much was tested. If the answer to any of the questions indicated with an asterisk (*) is "NO" or "NA", the entire UDC must be tested. (See SWRCB LG -160)