Industrial Noise Control Guidelines

The potential hearing impairment associated with high noise levels is well recognized and has led to the establishment of noise exposure standards. Industry is now faced with developing effective noise control procedures and hearing conservation programs. These programs should include the following four phases. 1) Noise survey. A thorough noise survey should be conducted throughout the plant using reliable techniques and equipment. 2) Medical. An audiometric test should be conducted on all employees with periodic, scheduled follow-up checks. Detailed and accurate records need to be maintained. 3) Engineering. The engineering phase is directed at controlling noise at a) its source or b) its pathways, including both structural-borne and air-borne noise. 4) Administrative. If engineering controls are not successful, then administrative controls must be developed to limit the worker’s exposure in accordance with the regulations. Ear protective devices should be viewed as an interim measure only, while working toward the other forms of noise exposure control.

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