Provide the basis for revisions of national and international testing standards hearing protector performance in the real world. NIOSH research was the basis for changes in international regulations for rating and certifying hearing protector performance.
29 CFR 211 Subpart B
30 CFR 62
Environmental Protection Agency
Occupational Safety and Health Administration
Mine Safety and Health Administration
International Standards Organization
American National Standards Institute
Hearing Loss Prevention program scientists verified the overestimates of experimenter-fit Noise Reduction Ratings (NRR) in tests of Hearing Protection Devices (HPD) in occupational settings.
National and international collaboration efforts of the HLR program have influenced hearing protector testing practices, performance ratings, testing standards, and regulations worldwide.
US Environmental Protection Agency Workshop on Hearing Protector Devices, Washington DC, March 27 - 28, 2003 Docket OAR-2003-0024.
MSHA . Dept of Labor, Mine Safety and Health Administration 30 CFR parts 56, 57 and 62, health standards for occupational noise exposure; final rule.
ANSI S12.6-1984 . American National Standards Institute: Methods for Measuring the Real-Ear Attenuation of Hearing Protectors. New York: American National Standards Institute.
Berger EH, Franks JR . The validity of predicting the field attenuation of hearing protectors from laboratory subject-fit data. J Acoust Soc Am Vol. 100 No 4 Pt 2, 2674.
Franks JR, Murphy WJ, Simon SD . Repeatability and reproducibility in hearing protector testing. J. Acoust Soc Am Vol 99 No 3 Pt. 2, 2464.
Occupational Safety and Health Administration . New developments in hearing protector labeling. In OSHA Technical Manual, chapter 5. Washington, DC: OSHA Office of Science and Technology Assessment.
Page last modified: July 23, 2007
Page last reviewed: July 23, 2007
(archived document) Content Source: National Institute for Occupational Safety and Health (NIOSH)