User:GWei13

This user is an employee or contractor of the U.S. National Institute for Occupational Safety and Health, and will follow conflict of interest guidelines for the articles on NIOSH and its staff and programs. This user's edits are not to be considered official guidance from NIOSH.

I am an Industrial Hygienist. I am interested in occupational noise, noise-induced hearing loss, hearing protection devices (HPDs), and HPD fit-testing.