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About This Item

 

Full Description

This Standard provides a procedure for pure-tone audiometry that will serve the needs of persons conducting threshold measurements in industry, schools, medical settings, and other areas where valid audiometry threshold measurements are needed.
 

Document History

  1. ASA S3.21-2004 (R2023)

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    Methods for Manual Pure-Tone Threshold Audiometry

    • Most Recent
  2. ASA S3.21-1978 (R1997)


    American National Standard Method for Manual Pure-Tone Threshold Audiometry

    • Historical Version