The Effectiveness of Applying Different Permissible Exposure Limits in Preserving the Hearing Threshold Level: A Systematic Review
نویسندگان
چکیده
منابع مشابه
the impact of different permissible exposure limits on hearing threshold levels beyond 25 dba
conclusions the adoption of 85 dba as the permissible exposure limit has preserved hearing threshold level among participants at 3000 hz compared to those who embraced 90 dba. patients and methods this is an intervention study done on two automobile factories. there were 203 employees exposed to noise levels beyond the action level. hearing protection devices were distributed to reduce noise le...
متن کاملThe Impact of Different Permissible Exposure Limits on Hearing Threshold Levels Beyond 25 dBA
BACKGROUND Development of noise-induced hearing loss is reliant on a few factors such as frequency, intensity, and duration of noise exposure. The occurrence of this occupational malady has doubled from 120 million to 250 million in a decade. Countries such as Malaysia, India, and the US have adopted 90 dBA as the permissible exposure limit. According to the US Occupational Safety and Health Ad...
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ژورنال
عنوان ژورنال: Journal of Occupational Health
سال: 2014
ISSN: 1341-9145,1348-9585
DOI: 10.1539/joh.13-0135-ra