Noise Exposure Limitations
OH & S Noise Regulation - Exposure Limits
For more information refer to Occupational Health & Safety Noise Regulation
Factors | Specifications |
1. Occupational Noise Level Exposure Limits. Figures to be prorated if not specified. Exposure Level (dBA) Duration (Where applicable, values have been rounded to nearest whole digit ) | 82 - 16 hours 83 - 12 hours 84 - 10 hours 85 - 8 hours 88 - 4 hours 91 - 2 hours 94 - 1 hour 97 - 30 min 100 - 15 min 103 - 8 min 106 - 4 min 109 - 2 min 112 - 1 min 115 and greater 0 |
| 2. Selection of Hearing Protectors. Maximum Noise Level (dBA) CSA Class of Hearing Protector | 85-89 C 90-95 B 96-105 A Greater than 105 A plug + A or B muff |
| 3. Permissible background noise conditions for audiometric testing for audiometric testing Octave Band Centre Frequency Maximum Levels (dBA) | 500 30 1000 30 2000 37 4000 47 8000 52 |