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ASA S3.21-2004 (R2009)

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ASA S3.21-2004 (R2009) Methods for Manual Pure-Tone Threshold Audiometry

standard by American National Standards of the Acoustical Society of America, 04/16/2009

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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.

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Published: 04/16/2009 ANSI: ANSI Approved Number of Pages: 13File Size: 1 file , 2.1 MB