NIOSH Noise Exposure Calculator
National Institute for Occupational Safety and Health Standard (3 dBA Exchange Rate)
Level → Safe Duration
Duration → Max Level
Sound Level (dBA)
82.0 dBA
Planned Hours
5 hrs
Planned Minutes
25 mins
Safe Continuous Exposure
16h 00m
Below REL Limit
Daily Dose (8h Shift)
50.0%
Baseline: 85 dBA = 100%
T = 8 / 2
(L - 85)/3
Criterion: 85 dBA / 8 Hours
NIOSH Recommended Exposure Curve
Active: 82.0 dBA @ 16.0h