|
Industrial and Community Audiology
* Threshold Limit Values
for Noise
| |
Duration per day
|
Sound Levels in dBA
|
|
Hours
|
24
|
80
|
| |
16
|
82
|
| |
8
|
85
|
| |
4
|
88
|
| |
2
|
91
|
| |
1
|
94
|
|
Minutes
|
30
|
97
|
| |
15
|
100
|
| |
7.5
|
103
|
| |
3.75
|
106
|
| |
1.88
|
109
|
| |
0.94
|
112
|
|
Seconds
|
28.12
|
115
|
| |
14.06
|
118
|
| |
7.03
|
121
|
| |
3.52
|
124
|
| |
1.76
|
127
|
| |
0.88
|
130
|
| |
0.44
|
133
|
| |
0.22
|
136
|
| |
0.11
|
139
|
|
* From Nova Scotia Regulation
|
|
