Working Group on Hearing Conservation Criteria

Chair: William J. Murphy

Scope: Develop and maintain standards for hearing conservation criteria. Liaison with the corresponding IEC and ISO standards groups. Coordination of the US vote on international standards in this field.

Responsible for the following published standards:

  • ANSI S3.44, Part 1 – Acoustics – Estimation of Noise-induced Hearing Loss – Part 1: Method for Calculation Expected Noise-induced Permanent Threshold Shift


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