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c SWRCB,January 2002 Page of 7. PIPING SUMP TESTING Test Method Developed By: ❑Sump Manufacturer L7 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 Sump# 1-87-West Sump#2-87-East Sump#3-91 Sump#4-Diesel Sump Diameter: 42" 42" 42" 42" Sump Depth: 36" 60" 36" 34" Sump Material: Fiberglass Fiberglass Fiberglass Fiberglass Height from Tank Top to Top of 16" 30" 14" 15" Highest Piping Penetration: Height from Tank Top to Lowest 13" 13" 11" 10" Electrical Penetration: Condition of sump prior to testing: Dry Dry Dry Dry Portion of Sump Tested' Water Level 27" Water Level 34" Water Level 25" Water Level 23 '/z" Does turbine shut down when sump sensor detects liquid(both Yes Yes Yes Yes product and water)?* Turbine shutdown response time Not Alarmed Not Alarmed Not Alarmed Not Alarmed Is system programmed for fail-safe Yes Yes Yes Yes shutdown?* Was fail-safe verified to be No No No No operational?* Wait time between applying water 5 Minutes 5 Minutes 5 Minutes 5 Minutes and starting test: Test Start Time: 10:22 8:42 9:32 9:37 Initial Reading(RI): .001 .001 .001 .001 Test End Time: 10:52 9:12 10:02 10:07 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 Result: Pass Pass Pass Pass Was sensor removed for testing? Yes Yes Yes Yes Was sensor properly replaced and Yes Yes Yes Yes verified functional after testing? Comments— (include information on repairs made prior to testing, and recommended follow-up for failed tests) ' If the entire depth of the sump is not tested,specify how much was tested. If the answer to Aany of the questions indicated with an asterisk(*)is"NO"or"NA",the entire sump must be tested. (See SWRCB LG-160)