Puget Sound Clean Air Agency

Resources for Gas Station Testing Contractors

Gas Station Testing Forms

The following forms can be used by gas station testing contractors in the state of Washington or Oregon for compliance testing of vapor recovery equipment installed at gasoline dispensing stations.

  • Pressure Decay  (PDF 0.1MB)
    Used to record the CARB system certification test results from a static performance test (TP-201.3 or Exhibit 3 test procedures) of the tank and related stage 1 and 2 vapor recover equipment.
  • Back Pressure  (PDF 0.1MB)
    Used to record the CARB system certification test (TP-201.4) results of a dynamic performance test on stage 2 vapor piping,
  • Air to Liquid Ratio  (PDF 0.1MB)
    Used to record the CARB system certification results (TP-201.5) of the air to liquid dispensing ratio (by volume) for vacuum assist stage 2 systems.
  • Air to Liquid Ratio-Alternate Method VacuChek  (PDF 0.1MB)
    Used when a VacuChek testing equipment is employed to test the Air to Liquid Ratio of stage 2 vacuum assist systems.
  • Air to Liquid Ratio -Alternative Method VacuSmart  (PDF 0.1MB)
    Used when VacuSmart testing equipment is employed to determine the Air to Liquid Ratio of stage 2 Vacuum assist systems.
  • Compliance Testing Matrix (PDF 0.1MB)
    Lists the California Air Resources Board (CARB) executive orders and the required tests that should be conducted on stage 1and 2 systems.
  • Testing Contractor Notification  (PDF 0.1MB)
    Should be used by the gas station compliance-testing contractor to give advance notification to the local air authority of impending compliance tests.
  • Healy Return Line Tightness  (PDF 0.1MB)
    Used to record CARB system certification results for the Healy Stage 2 Vapor Return Line Vacuum Integrity Test.
  • Tie-Tank  (PDF 0.1MB)
    For recording the results for CARB Test Procedure TP-201.3C that determines all gasoline tanks are manifolded together and that diesel tanks are isolated from the system.
  • Drop Tube Overfill Protection  (PDF 0.1MB)
    For recording the results from conducting CARB Test Procedure TP-201.1C. The test checks the leak rate from the drop tube/drain valve assembly when the drain valve is configured to pass liquid into the drop tube.
  • Stage 1 Torque Setting  (PDF 0.1MB)
    Stage 1 EVR systems and Swivel Adapters are required to be torqued to specific setting required by the manufacturer. This form is for recording the torque setting for the riser and all brands of swivel adapters.

Additional Resources

  • Gas Station Audit  (PDF 0.1MB)
    Used by testing contractors and auditors for annual auditing of gas stations.
  • Acceptable Air-to-Liquid Ratio Test Procedures (PDF 0.1MB) Alternative test methods acceptable to the Puget Sound Clean Air Agency that satisfy the requirements of CARB Test Procedure TP-201.5 for compliance with Regulation II, Section 2.07(f).