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Page 6 of 7 7. UNDER-DISPENSER CONTAINMENT UDC TESTING Test Method Developed By: ❑UDC Manufacturer ®Industry Standard ❑Professional Engineer ❑Other(Specify) Test Method Used: ❑Pressure ❑Vacuum ®Hydrostatic Q Other(Specify) Test Equipment Used: See attached testing procedures. Equipment Resolution: UDC#9/10 UDC#11/12 UDC Manufacturer: UDC Material: Fiber lass Fiberglass UDC Depth: 30" 30" Height from UDC Bottom to Top 8" 8" of Highest Piping Penetration: Height from UDC Bottom to 6" 6" Lowest Electrical Penetration: Condition of UDC prior to 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 Q No®NA ❑Yes❑No®NA ❑Yes ❑No®NA ❑Yes ❑No®NA product and water)?* Turbine shutdown response time Is system programmed for fail- safe shutdown?* ❑Yes ElNo®NA ❑Yes❑No®NA ❑Yes [:]No®NA E]Yes E]No®NA Was fail-safe verified to be operational?* [:1 Yes ElNo®NA [:]YesE]No®NA El Yes E]No®NA ❑Yes r-1No®NA Wait time between applying pressure/vacuum/water and 30 minutes 30 minutes 30 minutes 30 minutes starting test Test Start Time: 10:13am 10:13am Initial Reading(R1): 1.5434 3.0023 Test End Time: 10:28am 10:28am Final Reading(RF): 1.5446 3.0026 Test Duration: 15 min 15 min 15 min 15 min Change in Reading(RF-Ri): 0.00118 0.00031 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 RNA ❑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)