Recognized standard

S3.44-1996 (Reaffirmed 2006)

FDA recognition 4-173 · ANSI · Dental/ENT

Key facts

Recognition number 4-173
Designation S3.44-1996 (Reaffirmed 2006)
Title American National Standard for Determination of Occupational Noise Exposure and Estimation of Noise-Induced Hearing Impairment
Standards developer American National Standards Institute
Specialty area Dental/ENT
Date of entry Mar 16, 2012
Device classes Class 1, Class 2
Scope (excerpt) The standard is an adaptation of the international standard ISO 1999:1990(E) of the same name. Unlike the international standard, this standard allows assessment of noise exposure using a time/intensity trading relation other than a 3-decibel increase per halving of exposure time. This standard…

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