Office of Aerospace Medicine Technical Reports
FAA Office of Aerospace Medicine
Civil Aerospace Medical Institute
Report No: DOT/FAA/AM-73/20
Title and Subtitle: Ear-protector ratings
Report Date: December 1973
Authors: Tobias JV, Irons FM
Abstract: Twenty-one brands of ear protectors, including custom-molded, wearer-molded, and pre-molded types, were evaluated according to American-standard procedures. Earplugs are described and are listed in the order of their low-frequency (below 1000 Hz) attenuation.
Key Words: Earplugs, Hearing, Hearing Conservation
No. of Pages: 13
Civil Aerospace Medical Institute
Report No: DOT/FAA/AM-73/20
Title and Subtitle: Ear-protector ratings
Report Date: December 1973
Authors: Tobias JV, Irons FM
Abstract: Twenty-one brands of ear protectors, including custom-molded, wearer-molded, and pre-molded types, were evaluated according to American-standard procedures. Earplugs are described and are listed in the order of their low-frequency (below 1000 Hz) attenuation.
Key Words: Earplugs, Hearing, Hearing Conservation
No. of Pages: 13
Last updated: Friday, June 1, 2012