NIOSH survey of occupational noise and hearing: 1968 to 1972.
Lempert BL; Henderson TL
NIOSH 1973 May; :1-58
An occupational noise and hearing survey was made to characterize noise-exposure levels in a variety of industries, to describe the hearing status of workers exposed to such noise conditions, and to attempt to establish a relationship between occupational noise level and hearing loss that would be applicable to general industry. The four types of data collected during a typical survey at a given individual plant included noise measurements, background personal- occupational information, medical and otologic data, and audiometric data. The relationship between hearing-loss-risk and noise level has been roughly defined for employees who work eight hours a day in relatively simple, or "ordinary" noise environments. The effects of fluctuating levels, quiet rest periods, shortened exposures at higher levels, administrative controls, ear protectors, impact or impulsive noise, lengthened exposure, seasonal exposures, high frequency noise, and infrasonic noises could not be quantified without further research and evaluation. Additional work is indicated to enhance the effectiveness of audiometric monitoring and noise-measurement techniques, and to develop better indicators and citeria for hearing loss.
We take your privacy seriously. You can review and change the way we collect information below.
These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.
Cookies used to make website functionality more relevant to you. These cookies perform functions like remembering presentation options or choices and, in some cases, delivery of web content that based on self-identified area of interests.
Cookies used to track the effectiveness of CDC public health campaigns through clickthrough data.
Cookies used to enable you to share pages and content that you find interesting on CDC.gov through third party social networking and other websites. These cookies may also be used for advertising purposes by these third parties.