At what decibel level is corrective action required for noise exposure?

Corrective action for noise exposure is required at a decibel level of 85 decibels. This threshold is established based on guidelines to protect workers from the adverse effects of noise exposure, which can lead to hearing loss and other health issues. At 85 decibels, the sound level is significant enough that prolonged exposure can harm auditory health, making it essential for employers to implement measures such as noise-reducing equipment, hearing protection, or changes in the work environment to mitigate risk.

The levels below this threshold, such as 80 decibels and 75 decibels, do not trigger the same level of concern or regulatory requirement for corrective action; they are considered safer for workers in terms of noise exposure. The 90 decibel level, while also a concerning level of exposure, is typically associated with additional regulatory measures rather than being the initial threshold that mandates corrective actions. Thus, 85 decibels is the correct benchmark for requiring immediate corrective action to safeguard employees' auditory health.