Maximum A-Weighted Sound Levels Allowed
Maximum A-weighted sound levels allowed by OSHA
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U.S. Occupational Safety and Health Administration - OSHA - maximum A-weighted sound levels allowed for work periods during a working day are indicated below:
| Duration per Day (hr) |
Maximum Allowed Sound Level (dBA) |
| 8 | 90 |
| 6 | 92 |
| 4 | 95 |
| 3 | 97 |
| 2 | 100 |
| 1.5 | 102 |
| 1 | 105 |
| 0.5 | 110 |
| less than 0.25 | 115 |
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