RPE fit testing should be conducted by a competent person. To be deemed competent, the person should have adequate knowledge and have received adequate instruction and training in the following areas:
- Selection of adequate and suitable RPE.
- Examination of RPE and the ability to identify poorly maintained face pieces.
- Ability to correctly fit a face piece and perform pre-use fit checks.
- Ability to recognize a poor fitting face piece.
- The purpose and applicability of fit testing, the differences between, and the appropriate use of quantitative and qualitative fit testing methods.
- The purpose of fit test exercises.
- Preparation of face pieces for fit testing.
- How to carry out diagnostic checks on the face piece and the fit test equipment.
- Capabilities and limitations of the fit test equipment.
- How to perform a correct fit test with the chosen method.
- How to prevent and correct problems during fit testing.
- Interpretation of fit test results.
- An understanding of the differences between fit factor, workplace protection factor, assigned protection factor and nominal protection factors.
- An understanding of regulations and approved codes of practice relating to fit testing.