NRRs for hearing protectors: a change is coming.
Myers
Brian
B
Aearo Technologies. brain_myers@aearo.com
D004430:Ear Protective Devices / Q000592:standards*; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control*; D006801:Humans; D009623:Noise, Occupational; D014481:United States; D014489:United States Occupational Safety and Health Administration