COS/Specific Substances/TBT-COS-037
RPE Selection and Face Fit Testing
COSHH & Hazardous Substances › Specific Substances › RPE Selection and Face Fit Testing
Toolbox Talk
RPE Selection and Face Fit Testing
Respiratory protective equipment is the last line of defence against inhaling hazardous dust, fumes, and vapours on construction sites. However, RPE only works if the correct type is selected for the hazard and the mask fits the wearer's face properly. An ill-fitting mask can let up to 80% of contaminants through. This talk covers how to select the right RPE and why face fit testing is essential.
Key Hazards
Lung disease from inadequate respiratory protection against site hazards
Reduced protection from wearing the wrong filter type for the substance
Face seal leakage allowing contaminants to bypass the mask entirely
Suffocation risk from using the wrong RPE type in oxygen-deficient spaces
Control Measures
- Select RPE based on the COSHH assessment and the assigned protection factor needed for the task.
- Ensure every worker required to wear tight-fitting RPE has passed a face fit test for that mask model.
- Repeat the face fit test whenever the mask model changes or the wearer's face shape changes significantly.
- Check the RPE seal by performing a user fit check every time the mask is put on.
- Use the correct filter type and change filters at the intervals specified by the manufacturer.
- Store RPE in a clean, dry location away from dust, chemicals, and direct sunlight.
- Do not use tight-fitting RPE if you have facial hair that crosses the mask seal line.
- Record all face fit test results and keep them available for inspection.
- Brief operatives on the limitations of their RPE and when to upgrade to a higher protection level.
Remember
- RPE must be selected based on the COSHH assessment for each specific task
- Every worker using a tight-fitting mask must pass a face fit test for that model
- Facial hair that crosses the mask seal line prevents a proper fit and voids protection
- Perform a user fit check every single time you put your RPE on
- Change filters at the intervals specified by the manufacturer to maintain protection
Applicable Legislation: COSHH 2002 · Personal Protective Equipment at Work Regulations 1992 · HSG53 (RPE at Work) · INDG479 (Face Fit Testing)
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