Quote Originally Posted by tangolima View Post
3dB is 40% increase in pressure, not double, I'm afraid. It is 20*log() kind of deal. 6dB to double pressure.
True, but NIOSH recommended exposure limit is predicated on hearing loss from constant noise being proportional to sound power, not pressure, which means 3 dB represents a doubling of exposure if the predicate holds for impulse noise.