Several classes of weapon systems expose crew to impulse noise levels that exceed 180 dBP. Department of Defense Instruction, number 6055.12., Department of Labor, Occupational Safety and Health Administration, CPL 2-2.35A-.95(b)(1) Guidelines for noise enforcement: Appendix A., For example, with the exception of the bayonet and the crossbow (which are used today by Special Forces), every Military weapon system makes more than 140 dB peak sound pressure level (dBP), a level generally considered the maximum for a single safe unprotected exposure for impulse noise ( OSHA, 1983 37. In fact, they are likely to have exposure to some of the most intense sounds that can be found in any occupation. All Military personnel are going to be exposed to loud sounds.
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