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JUN -04-2008 14:44 Service Station Systems 408 938 8888 P.08 :; "t h 1 t• Test Method Developed By: ❑ Sump Manufacturer ❑ Other (Specify) ® Industry Standard ❑ Professional Engineer Test Method Used: ❑ Pressure ❑ Other (Specify) ❑ Vacuum ® Hydrostatic Test Equipment Used: Incon Sump Tater STP Sump # 91 A Sump Diameter: 42" STP Sump # 91 B 42" Equipment Resolution: +/- 0.002" STP Sump # DSL 42" Sump Depth: 80" 80" 80" Sump Material: Fiberglass Fiberglass Fiberglass Height from Tank Top to Top of Highest Pi in Penetration: 14" 14" 1499 Height from Tank Top to Lowest Electrical Penetration: 22„ 22" 22" Condition of sump prior to testing: Good Good Good Portion of Sump Tested' 2" above piping 2" above piping 2" above piping Does turbine shut down when sump sensor detects liquid (both roduct and water)?` ❑ Yes L]No ® NA ❑ Yes L]No ®NA ❑ Yes E]No ®NA Turbine shutdown response time N/A N/A N/A Is system programmed for fail-safe shutdown?' ❑ Yes p No ® NA ❑ Yes ❑ No ®NA 0 Yes ❑ No ®NA Was fail-safe verified to be o2jrationalf ❑ Yes ❑ No ® NA ® Yes ❑ No ®NA ❑ Yes ® No ®NA Wait time between applying pressurelvacuum/water and starting test: 30 minutes 30 minutes 30 minutes Test Start Time: 1:46 pm 11:06 am 1:46 pm initial Reading (RI): 2.7633 4.0811 4.7199 Test End Time: 2:01 pm 11:21 am 2:02 pm Final Reading (Rp): 2.7612 4.0799 4.7072 Test Duration: 15 min. 15 min. 16 min. Change in Reading (Rv-R,): 41.0021 -0.0012 AA127 Pass/Fail Threshold or Criteria: 4-0.00211 t/• 0.002" +/• 0.002" Test Result: Pass ® Fail ® Pass Fail Pass Ill Fall Was sensor removed for testing? ® Yes ❑ No ❑ NA ® Yes ❑ No ❑ NA ® Yes ❑ No [INA Was sensor properly replaced and verified functional after testing? ® Yes ❑ No ❑ NA 0 Yes ® No ❑ NA ® Yes ❑ No ❑NA COti1MentS — (include infonnadon on repairs made prior to testing, and recommended follow-up for failed tests) _ "Sensor functionality was not confirmed. This procedure is not part of the Secondary Containment testing scope of work". 91 A and DSL failed. Possible piping penetrations E if the entire depth of the sump is not tested, specify how much was tested. If the answer to xX of the questions indicated with an asterisk M is "NO" or "NA", the entire sump must be tested. (See SWRCB LG -160)