Thought of Today: May 11, 2017 at 07:43PM

According to the National Institute for Occupational Safety and Health, the maximum exposure time at

85 dBA: 8 hours.
110 dBA: one minute and 29 seconds

If you must be exposed to noise, it is recommended that you limit the exposure time and/or wear hearing protection. A three dBA increase doubles the amount of noise, and halves the recommended amount of exposure time.

Noise levels above 140dBA can cause damage to hearing after just one exposure.

0 The softest sound a person can hear with normal hearing
10 normal breathing
20 whispering at 5 feet
30 soft whisper
50 rainfall
60 normal conversation
110 shouting in ear
115 motorcycle
120 thunder
130 car revving

noise is physical assault.

Car revving is first degree attempted murder.

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