common chronic disease us among workers hearing difficulties caused occupational noise affected tinnitus hearing difficulties tinnitus ototoxic chemicals including solvents metals compounds asphyxiants nitriles pharmaceuticals may contribute hearing loss exposure management controls hierarchy control defines approach used reduce exposure risks protecting workers communities methods include elimination substitution engineering controls isolation ventilation administrative controls personal protective equipment occupational hygienists engineers maintenance management employees consulted selecting designing
Applied science Medicine and health Occupational hygiene