Employees exposed to noise levels at or above an 8-hour TWA of 90 dBA shall wear hearing protectors. Employees exposed to noise levels at or above the action level of an 8-hour TWA of 85 dBA shall ...

EHS will notify the affected employees and their department if the noise levels equal or exceed the Time-Weighted Average (TWA) of 85 dBA. EHS will provide annual training on noise and hearing ...