WEAR YOUR HEARING PROTECTION !. TWA 8 – Time-weighted average 8-hour sound level (dBA) D – Noise Dose (%) –Action Level (TWA 8 85 dBA or D 50%) Operator.
HEARING CONSERVATION PROGRAMS
WEAR YOUR HEARING PROTECTION !
WEAR YOUR HEARING PROTECTION !. TWA 8 – Time-weighted average 8-hour sound level (dBA) D – Noise Dose (%) –Action Level (TWA 8 ≥ 85 dBA or D ≥ 50%)
