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Sound Pressure Level - OSHA A-Weighted per Day

OSHA maximum A-weighted sound pressure levels allowed per day.

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Maximum A-weighted sound pressure levels allowed by the U.S. Occupational Safety and Health Administration - OSHA -  for periods in a working day: 

Duration per Day
(hr)		Maximum Allowed Sound Pressure Level
(dBA)
8 90
6 92
4 95
3 97
2 100
1.5 102
1 105
0.5 110
less than 0.25 115

Maximum allowable sound pressure level per day

Download and print Maximum Allowable Sound Pressure Level per Day chart

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Room acoustics and acoustic properties, decibel A, B and C, Noise Rating (NR) curves, sound transmission, sound pressure, sound intensity and sound attenuation.

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