Hearing loss can occur when exposed to 85 decibels of noise averaged over 8 hours. For every 3 decibel increase past
85 decibels, hearing loss can occur in half the amount of time. So it only takes 4 hours of exposure to 88 decibels
for hearing loss to occur, and 2 hours of exposure to 91 decibels. Once noise levels exceed 100 decibels, a person
can suffer hearing damage in as little as 15 minutes. The louder the noise, the faster hearing loss occurs.
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