Noise Exposure Facts
Deadly Decibels dB
85 - Minor Hearing Damage Begins
90 - Avg. Sports Car at Full Throttle
127 - Tinnitus Begins (Ringing in the Ear)
141 - Nausea Can Occur
145 - Vision Blurs
147 - F1 Racer at 15K+ RPM
150 - Chest Compression Makes Breathing Difficult
153 - Difficulty Swallowing
163 - NHRA Top Fuel Dragster
195 - Eardrums Rupture
202 - Shockwave Causes Death
OSHA Permissible Noise Exposure Limits
This table is the OSHA mandated statistics for permissible noise exposure limits in or around an employer's workplace or job site. |
|
Duration/Day in Hours |
Sound level dBA Slow Response |
| 8 | 85 |
| 6 | 92 |
| 4 | 95 |
| 3 | 97 |
| 2 | 100 |
| 1.5 | 102 |
| 1 | 105 |
| 0.5 | 110 |
| 0.25 | 115 |
* Impulse or Impact Noise should never exceed 140dB spl |
|
Wind Noise Facts: |
|
Speed |
SPL |
| 62 MPH | 94dB |
| 75 MPH | 98dB |
| 87 MPH | 102dB |