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) |
---|---|---|---|
8Â h | 75 | 90 | 85 |
4Â h | 78 | 95 | 88 |
2Â h | 81 | 100 | 91 |
1Â h | 84 | 105 | 94 |
30Â min | 87 | 110 | 97 |
15Â min | 90 | 115 | 100 |
7Â min 30Â s | 93 | Â | 103 |
3Â min 45Â s | 96 | Â | 106 |
1Â min 53Â s | 99 | Â | 109 |
56Â s | 102 | Â | 112 |
28Â s | 105 | Â | 115 |
14Â s | 108 | Â | 118 |
7Â s | 111 | Â | 121 |
4Â s | 114 | Â | 124 |