Hearing conservation : in occupational, recreational, educational, and home settings

A-weighted acoustic reflex allow American National Standards aminoglycoside ANSI assessment attenuation audiogram audiological audiologist audiometric testing auditory thresholds average baseline audiogram calibration Chapter cochlea cochlear compensation component conduction dB HL determine disability dosimeter duration ear canal Ear Hear earmuffs earphones earplugs effects employees equipment evaluation example exposed factors frequency hair cells Health Administration hearing aids hearing conservation program hearing impairment hearing protection devices HPDs hyperacusis individuals insertion limit loud microphone minimize monitoring musicians National Standards Institute NIHL NIOSH noise control noise dose noise exposure levels noise-induced hearing loss nonorganic hearing loss occupational noise occupational noise exposure Occupational Safety OSHA otoacoustic emissions Otolaryngol ototoxic ototoxins patients percentage performance potential presented procedures Rawool VW risk Safety and Health solvents sound levels specific speech strategies temporary threshold shift tinnitus tone U.S. Department U.S. Navy vibration workers with hearing