List of personal hearing protectors and attenuation data.
Kroes-P; Fleming-R; Lempert-B
NIOSH 1975 Sep; :1-42
Information from manufacturers and suppliers of personal hearing protectors is compiled into a list. Included in the list are: manufacturer or supplier, model and type, average attenuation values and standard deviations at test frequencies 125 to 80000 hertz, test standard, and test laboratory. Also presented is a brief discussion of the factors to be considered in choosing hearing protectors, a short description of NIOSH activities related to hearing protector research, and methods for calculating noise reduction factors for hearing protectors.
NTIS Accession No.
DHEW (NIOSH) Publication No. 76-120
National Institute for Occupational Safety and Health