This guide explains how workplace noise causes gradual occupational hearing loss and outlines employer responsibilities under noise regulations. It details exposure action values (80–85 dB daily averages, defined peak limits) and maximum exposure limits, emphasizing proper risk assessments, documentation, and review. A hierarchy of control is presented: reduce noise at source, assess exposure above 85 dB, designate hearing protection zones, enforce PPE use, and maintain records. It stresses competent assessment, training, and specialist support to ensure legal compliance and effective hearing conservation programs.

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