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Table 2 Amount of permissible noise exposure allowed in theworkplace*

From: Impact of noise on hearing in the military

Duration per day (hour)

Sound level (dBA)

8

90

6

92

4

95

3

97

2

100

1 ½

102

1

105

½

110

¼ or less

115

  1. *Adapted from OSHA 2014. Standards. US Dept Labor: Occupational Noise Exposure [Online]. vailable by Occupational Safety and Health Administration. https://www.osha.gov/SLTC/noisehearingconservation/index.html.