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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 (Specify) Test Method Used: ❑ Pressure ❑ Vacuum X Hydrostatic ❑ Other (Specify) Test Equipment Used: Caldwell Level Change Indicator Equipment Resolution: .002 EMEMM UDC # 1&2 UDC # 3&4 memo= UDC # 5&6 UDC # 7&8 UDC Manufacturer: Unknown Unknown Unknown Unknown UDC Material: Poly Plastic Poly Plastic Poly Plastic Poly Plastic UDC Depth: 26" 26" 26 %2" 27" Height from UDC Bottom to Top of Highest Piping Penetration: 7" 8" 7 `/z" 8" Height from UDC Bottom to Lowest Electrical Penetration: 4" 4" 4" 4" Condition of UDC prior to testing: Dry Dry Dry Dry Portion of UDC Tested Water Line 11" Water Line 10" Water Line 12" Water Line 12" Does turbine shut down when UDC sensor detects liquid (both product and water)?` Yes X No ❑ NA Yes X No ❑ NA Yes X No ❑ NA Yes X No ❑ NA Turbine shutdown response time N/A N/A N/A N/A Is system programmed for fail- safe shutdown?* X Yes ❑ No ❑ NA X Yes ❑ No ❑ NA X Yes ❑ No [INA X Yes ❑ No ❑ NA Was fail-safe verified to be operational?* ❑ Yes X No ❑ NA ❑ Yes X No ❑ NA ❑ Yes X No ❑ NA ❑ Yes X No ❑ NA Wait time between applying water and starting test 10 Minutes 10 Minutes 10 Minutes 10 Minutes Test Start Time: 10:20 10:55 11:00 11:05 Initial Reading (Rj): .001 .001 .001 .001 Test End Time: 10:50 11:25 11:30 11:35 Final Reading (RF): .001 .001 .001 .001 Test Duration: 30 Minutes 30 Minutes 30 Minutes 30 Minutes Change in Reading (RF-Rl): 0 0 0 0 Pass/Fail Threshold or Criteria: .005/30 Minutes .005/30 Minutes .005/30 Minutes .005/30 Minutes Test Result: X Pass ❑ Fail X Pass ❑ Fail X Pass 0 Fail X Pass ❑ Fail Was sensor removed for testing? X Yes ❑ No ❑ NA X Yes ❑ No ❑ NA X Yes ❑ No ❑ NA X Yes ❑ No ❑ NA Was sensor properly replaced and verified functional after testing? X Yes ❑ No ❑ NA X Yes ❑ No ❑ NA X Yes ❑ No ❑ NA X Yes ❑ No ❑ NA Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) 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. (See SWRCB LG -160)