Hearing Protector Fit Testing & PAR: OSHA/NIOSH 2026 Guide
Hearing protector fit testing measures what one worker actually gets from one earplug, reported as a personal attenuation rating in decibels. OSHA's February 2026 bulletin calls it a best practice but says a PAR cannot replace the NRR for selection. Covers NRR versus PAR, the 2025 NIOSH change, target PAR, and a worked example.
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