OSHA's regulation regarding the Hearing Conservation Program (HCP) is based on the level of occupational noise exposure in a workplace. Employers are required to implement a HCP when employees are exposed to an 8-hour time-weighted average (TWA) noise level of 85 decibels (dBA) or higher.

Ever wonder how loud foghorns can be? Well now you don’t have to! I checked out a Maine lighthouse and captured the max level in dBa. Read the blog to see how loud the foghorn was!