what decib required hearing conservation program
If these do not reduce noise to safe levels, then further action is required, and you may need a hearing conservation program. When a hearing conservation program is required There is no quick answer to this question. According to the standards, a hearing conservation program is required âwhenever employee noise exposures equal or exceed an 8-hour time-weighted average sound level (TWA) of 85 decibels measured on the A scale (slow response) or, equivalently, a dose of fifty percent.