UK Face Fit Testing and RPE Standards: HSE Guide (2026)
Face fit testing is the UK's proof that tight-fitting RPE actually seals. This guide covers INDG479's seven-exercise protocol, qualitative vs quantitative methods, Fit2Fit accreditation, the UK's 4/10/20/40 protection-factor ladder, CE vs UKCA status after Brexit, and a worked example fit-testing a site crew with a qualitative kit.
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