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Page 1 of _8_ 8. 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: Caldwell Level Indicator Equipment Resolution: .002 UDC #9-10 UDC #11-12 UDC # UDC # UDC Manufacturer: opw opw UDC Material: fiberglass fiberglass UDC Depth: 30 30 Height from UDC Bottom to Top of Highest Piping Penetration: 12 12 Height from UDC Bottom to Lowest Electrical Penetration: 14 14 Condition of UDC prior to testing: clean clean Portion of UDC Tested 2" above product 2" above product Does turbine shut down when UDC sensor detects liquid (both product and water)?* ®Yes❑ No ❑ NA ®Yes[—] No ❑ NA ❑Yes❑ No ❑ NA ❑Yes❑ No ❑ NA Turbine shutdown response time ®Yes❑ No ❑ NA ®Yes❑ No ❑NA ❑Yes❑ No ❑ NA ❑Yes❑ No ❑ NA Is system programmed for fail- safe shutdown?' ®yes❑ No ❑ NA ®Yes❑ No ❑ NA [—]Yes[-] No ❑ NA ❑Yes❑ No ❑ NA Was fail-safe verified to be operational?* yes yes Wait time between applying pressure/vacuum/water and starting test 15mins 15mins Test Start Time: 30mins 30mins Initial Reading (Ri): first circle first circle Test End Time: Omins Omins Final Reading (RF): no change no change Test Duration: 30mins 30mins Change in Reading (RF -R,): 0 0 Pass/Fail Threshold or Criteria: .005/60mins .005/60mins Test Result: ® Pass ❑ Fail ® Pass: ❑ Fail ❑ Pass El Fail ❑ Pass ❑ Fail Was sensor removed for testing? ®Yes❑ No ❑ NA ®Yes❑ No ❑ NA ❑Yes❑ No ❑ NA ❑Yes❑ No ❑ NA Was sensor properly replaced and verified functional after testing? ®Yes❑ No ❑ NA ®Yes❑ No ❑ NA [—]Yes[:] No ❑ NA ❑Yes❑ No ❑ NA Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) All sensors are tested during annual monitoring certification. Page 6 of 8 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.