Noise Levels
Duration of
Exposure
(hrs/day)
Sound Level dB(A)
ACGIH
NIOSH
OSHA
16
82
82
85
8
85
85
90
4
88
88
95
2
91
91
100
1
94
94
105
1/2
97
97
110
1/4
100
100
115*
1/8
103
103
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