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SWRCB, January 2002 7. UNDER -DISPENSER CONTAINMENT (UDC) TESTING Page of Test Method Developed By: ❑ UDC Manufacturer ❑ Industry Standard X Professional Engineer ❑ Other (Spec) Test Method Used: ❑ Pressure ❑ Vacuum X Hydrostatic ❑ Other (Spec) Test Equipment Used: Caldwell Level Change Indicator Equipment Resolution: .002 UDC # 1 -Diesel UDC # 2 -Gas UDC # UDC # UDC Manufacturer: Unknown Unknown UDC Material: Fiberglass Fiberglass UDC Depth: 22" 20" Height from UDC Bottom to Top Enters from bottom Enters from bottom of Highest Piping Penetration: Height from UDC Bottom to 12 ''/z" 11 %Z" Lowest Electrical Penetration: Condition of UDC prior to Dry Dry testing: Portion of UDC Tested Water Line 15" Water Line 14" Does turbine shut down when UDC sensor detects liquid (both N/A N/A product and water)?* Turbine shutdown response time N/A N/A Is system programmed for fail- N/A N/A safe shutdown?* Was fail-safe verified to be N/A N/A operational?* Wait time between applying 5 Minutes 5 Minutes water and starting test Test Start Time: 8:25 8:30 Initial Readin (RI): .001 .001 Test End Time: 8:55 9:00 Final Reading (RF): .001 .001 Test Duration: 30 Minutes 30 Minutes Change in Reading RF-Ri : 0 0 Pass/Fail Threshold or Criteria: .005/30 Minutes .005/30 Minutes Test Result: X Pass O Pail, X Pass Q Fail 0 Pass ❑ Fail ❑ Pass ❑ Frail Was sensor removed for testing? X Yes ❑ No ❑ NA X Yes ❑ No ❑ NA ❑ Yes ❑ No ❑ NA ❑ Yes ❑ No ❑ NA Was sensor properly replaced and verified functional after testin ? X Yes ❑ No ❑ NA X 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) ' 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)