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| Daily Exposure Duration Limit | Noise Level (dBA) | Suggested PPE |
| 8 hours | 85 | Ear Muff/ Ear Plugs *Reduce Noise level around 15 to 30 dB |
| 4 hours | 88 | Ear Muff/ Ear Plugs *Reduce Noise level around 15 to 30 dB |
| 2 hours | 91 | Ear Muff/ Ear Plugs *Reduce Noise level around 15 to 30 dB |
| 1 hour | 94 | Ear Muff/ Ear Plugs *Reduce Noise level around 15 to 30 dB |
| 30 minutes | 97 | Ear Muff/ Ear Plugs *Reduce Noise level around 15 to 30 dB |
| 15 minutes | 100 | Ear Muff/ Ear Plugs *Reduce Noise level around 15 to 30 dB |
| 5 minutes | 105 | Ear Muff & Ear Plugs *Reduce Noise level around 15 to 30 dB + another 10 to 15 dB |