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The Time Factor
Below you see the noise volumes in decibels and how long we can be exposed to them before hearing damage begins to occur.
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| Whispering | - | 30 dB | - | Unlimited |
| OSHA regulations begin | - | 85 dB | - | |
| Lawn mower, Truck traffic | - | 90 dB | - | 8 hours |
| Motorcycle, Power Saw | - | 95 dB | - | 4 hours |
| Chainsaw, Stereo headphones | - | 100 dB | - | 2 hours |
| Jackhammer, Helicopter | - | 105 dB | - | 1 hour |
| Snowmobile from the driver's seat | - | 110 dB | - | 30 minutes |
| Baby's cry, Stadium football game | - | 115 dB | - | 15 minutes |
| Rock Concert, Sandblasting | - | 120 dB | - | 7.5 minutes |
| Air raid siren, Firecracker | - | 125 dB | - | Pain threshold |
| Gunshot, Jet engine at take-off | - | 140 dB | - | Immediate danger to hearing |
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