Carly Engels Johnston is the Global Writer-in-Residence and Senior Web Journalist at 3M Personal Safety Division. She handles all types of communications, marketing collateral assets and is also the Editor-in-Chief of the Safety Now & Next blog, which offers content on a wide variety of worker health and safety issues.
In most countries, hearing protectors are required by law to be tested and labeled in a specific way. The idea is that by using a standardized measurement method and a straightforward, one-number rating, it should help users decide which hearing protector to choose. However, it turns that one number often doesn’t tell the whole story.
