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Development and Organization
Engineering Aspects of Noise Control
Physical Environment for the Performance
8 other sections not shown
85 decibels A-weighted acoustic air conduction American National Standards ANSI Appendix attenuation audiologist Audiology auditory baseline audiogram BONE MASTOID calculated calibration crest factor decibels determine dosimeter duration ear inserts earphone effects of noise employee's enclosure environment equipment evaluation exceed exposed factor Figure Hearing Conservation Amendment hearing conservation program hearing impairment hearing level hearing protectors hearing sensitivity hearing threshold levels impulse noise industrial noise instrument machine Medical method microphone monitoring NIOSH noise abatement noise control noise dose noise levels noise reduction noise-induced hearing loss Occupational Hearing Conservation occupational noise occupational noise exposure Occupational Safety octave band OHCP OHCP's OSHA otolaryngologist paragraph percent performed personal hearing protective personnel PHPD's presbycusis procedure pure-tone records reduce reference regulations Safety and Health self-recording sensorineural hearing loss significant threshold shift sound level meter sound pressure level speech Table test frequency tion U.S. Department