Standards or procedures are available for in-place leakage testing of HEPA vacuums, also known as Negative Pressure Filtration Units (NPFU) or Portable High Efficiency Air Filtration equipment (PHEAF).
Several standards organizations are developing industry-wide test standards, though currently none are released.
A few procedures are available that may be adapted to vacuum cleaner testing in similar industries or applications.
Links for these are posted below:
- Brookhaven National Laboratory – BNL IH62350 (2001) HEPA Filter Vacuum Cleaner Testing
- The Environmental Abatement Council of Ontario – EACO HEPA IntegrityTesting Procedure
- Air Techniques International – NPFU Article “NPFU Testing article“
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