A six-year follow up study for evaluation of the 85 dBA safe criterion for noise exposure

Autor: Mohamed Moselhi, Yassin M. El-Sadik, Abdel-Aziz El-Dakhakhny
Rok vydání: 1979
Předmět:
Zdroj: American Industrial Hygiene Association journal. 40(5)
ISSN: 0002-8894
Popis: This study included 114 workers who have been exposed to noise levels of 78 to 91.4 dBA and followed over a six year period. Workers exposed to noise levels up to 85 dBA eight hours daily for six days per week and for twelve years showed a slightly higher (1%) hearing impairment than the corresponding control subjects. Impairment of hearing among workers exposed to higher noise levels was 9.6%.
Databáze: OpenAIRE