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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(Specify) Test Equipment Used: See attached testing procedures. Equipment Resolution: UDC#1 /2 UDC#3/4 UDC#5/6 UDC#7/8 UDC Manufacturer: UDC Material: Fiberglass Fiberglass Fiberglass Fiberglass UDC Depth: 30" 30" 30" 30" Height from UDC Bottom to Top 8" 8" 8" 8" 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 [:1 Yes [_1 No®NA [:1 Yes [-INo®NA product and water Turbine shutdown response time Is system programmed for fail- ❑Yes ❑No ❑Yes No NA ❑Yes safe shutdown? ®NA ❑ ® El No®NA [I Yes El No®NA Was fail-safe verified to be erational? El Yes ElNo®NA ❑Yes ElNo®NA [_1 Yes ElNo®NA El Yes ElNo®NA Wait time between applying pressure/vacuum/water and 30 minutes 30 minutes 30 minutes 30 minutes starting test Test Start Time: 1:51 m 2:10 m 2:10 m 3:02 m Initial Reading(R,): 1.8285 1.8288 3.0516 2.9876 Test End Time: 2:06pm 2:25pin 2:25 m 3:17pm Final Reading(RF): 1.8288 1.8288 3.0514 2.9880 Test Duration: 15 min 15 min 15 min 15 min Change in Reading(RF-Ri): 0.00023 0 0.00017 0.00037 Pass/Fail Threshold or Criteria: 0.002 0.002 0.002 0.002 Result: ® Pass ❑ Fail ® Pass ❑Fail ® Pass ❑Fail ® Pass ❑Fall Was sensor removed for testing? ®Yes❑No ❑ NA ®Yes ❑No❑NA ®Yes ❑No ❑NA ®Yes ❑No❑NA Was sensor properly replaced and ❑ ❑ ❑ ❑ ® []No❑NA ®Yes❑No❑NA verified functional after testing? ®}es No NA ®Yes No NA Yes Comments— (include information on repairs made prior to testing, and recommended follow-up forfailed tests) ' 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)