Noise Level |
Typical Noise |
| (dB) | |
| 130 | near military jet takeoff |
| 120 | near pile-driver; chipping hammer |
| 110 | near pneumatic paverment breaker; rock and roll band |
| 100 | inside propeller aircraft; at edge of highway |
| 90 | near cement mixer; 25 ft from motor cycle |
| 80 | in automobile at high speed; near home garbage disposal |
| 70 | in busy department store |
| 60 | near home dishwaher |
| 50 | on quite street in daytime |
| 40 | in privateoffice |
| 30 | in quite bedroom |
| 20 | in empty theatre |
#GWC Coal Handbook
rewrited by uthien
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