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Page 5 of 9 7. UNDER-DISPENSER CONTAINMENT UDC TESTING Test Method Developed By: ❑UDC Manufacturer ®Industry Standard ❑Professional Engineer Other(Specify) Test Method Used: ❑Pressure ❑Vacuum ®Hydrostatic ❑Other(Spec) Test Equipment Used: See attached testing procedures. Equipment Resolution: UD7#172 UDC#3/4 UDC#5/6 UDC#7/8 UDC Manufacturer: UDC Material: Fiber lass Fiberglass Fiberglass Fiberglass UDC Depth: 30" 30" 30" 30" Height from UDC Bottom to Top 9" 9" 9" 9" of Highest Piping Penetration: Height from UDC Bottom to 5" 5" 5" 5" Lowest Electrical Penetration: Condition of UDC prior to Fair Fair Fair Fair testing: Portion of UDC Tested Above highest Above highest Above highest Above highest penetration penetration penetration penetration 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 Is system programmed for fail- ❑Yes ❑No safe shutdown?" ®NA [-]Yes[-]No®NA [:1 Yes [:1 No®NA El Yes El No®NA Was fail-safe verified to be ®NA ❑Yes ®No®NA ❑Yes ❑No®NA op erational?* ❑Yes ❑No®NA ❑Yes®No Wait time between applying pressure/vacuum/water and 30 minutes 30 minutes 30 minutes 30 minutes starting test Test Start Time: 1:07pm 1:07pm 12:41pm 1:07pm Initial Reading(RI): 4.9696 4.8924 4.0321 4.9734 Test End Time: 1:22pm 1:22pm 12:56pm 1:22pm Final Reading(RF): 4.9701 4.8924 4.0327 4.9738 Test Duration: 15 min 15 min 15 min 15 min Change in Reading(RF-RI): 0.00048 0 0.00068 0.00043 Pass/Fail Threshold or Criteria: 0.002 0.002 0.002 0.002 Was sensor removed for testing? ®Yes❑No❑NA ®Yes❑No❑NA ®Yes[-]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) i If the entire depth of the UDC is not tested,specify how much was tested. If the answer to M of the questions indicated with an asterisk(*)is"NO"or"NA",the entire UDC must be tested. (See SWRCB LG-160)