From: Noise exposure while commuting in Toronto - a study of personal and public transportation in Toronto
Duration | WHO /EPA (dB) | OSHA (dB) | NIOSH 1997 (dB) |
---|---|---|---|
8 h | 75 | 90 | 85 |
4 h | 78 | 95 | 88 |
2 h | 81 | 100 | 91 |
1 h | 84 | 105 | 94 |
30 min | 87 | 110 | 97 |
15 min | 90 | 115 | 100 |
7 min 30 s | 93 | 103 | |
3 min 45 s | 96 | 106 | |
1 min 53 s | 99 | 109 | |
56 s | 102 | 112 | |
28 s | 105 | 115 | |
14 s | 108 | 118 | |
7 s | 111 | 121 | |
4 s | 114 | 124 |