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SWRCB;January 2002 Page of 7. UNDER-DISPENSER CONTAINMENT DC TESTING 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&2 UDC#3&4 UDC#5&6 UDC#7&8 rUDCDepth: facturer: APT APT APT APT ial: Pot Plastic PolyPlastic PolyPlastic Pol Plastic 29" 29" 27" 27" Height from UDC Bottom to Top 15" 15" 14" 15" of Highest Piping Penetration: Height from UDC Bottom to 7" 8" 6" 8" Lowest Electrical Penetration: Condition of UDC prior to Dry Dry Dry Dry testing: Portion of UDC Tested Water Line 17" Water Line 18 '/2" Water Line 16" Water Line 17" Does turbine shut down when UDC sensor detects liquid(both X Yes No ❑NA X Yes No ❑NA X Yes No ❑NA X Yes No ❑NA product and water)?` Turbine shutdown response time Not Alarmed Not Alarmed Not Alarmed Not Alarmed Is system programmed for fail- X Yes ❑No ❑NA X Yes ❑No ❑NA X Yes ❑No ❑NA X Yes ❑No ❑NA safe shutdown?` Was fail-safe verified to be operational?' fail-safe ❑Yes X No ❑NA ❑Yes X No ❑NA ❑Yes X No ❑NA ❑Yes X No ❑NA Wait time between applying 5 Minutes 5 Minutes 5 Minutes 5 Minutes water and starting test Test Start Time: 11:00 10:50 10:35 10:25 Initial Reading(Rj): .001 .001 .001 .001 Test End Time: 11:30 11:20 11:05 10:55 Final Reading(RF): .001 .001 .001 .001 Test Duration: 30 Minutes 30 Minutes 30 Minutes 30 Minutes Change in Reading RF-RI): 0 0 0 0 Pass/Fail Threshold or Criteria: .005/30 Minutes .005/30 Minutes .005/30 Minutes .005/30 Minutes Test Resalts ....�, .. � . .:X,Vass ,,,n F�iI� .,,X�Pass.,' Cl;]Cail X,Pass`:;.. CI 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 X Yes ❑No ❑NA X Yes ❑No ❑NA X Yes ❑No ❑NA X Yes 0 No ❑NA verified functional after testing? 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)