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This study is concerned with the development and validation of a shipboard noise exposure data acquisition procedure. This pro-cedure represents a first step in the overall framework for a Navy Noise Exposure Data Management System which is discussed in the text. The immediate purpose of this data collection process is to provide for standardized measurement techniques that may be used by various Navy units concerned with occupational noise and hearing conservation. This noise data base, when computer-ized, can be used in concert with the shipboard noise exposure model developed in an earlier study,EI1 to assess the magnitude of the overexposure problem onindividual ships, ship classes and ultimately the entire fleet. The benefits of this approach are guidance in the development of hearing conservation and educational programs, and in the assessment of noise control priorities in the fleet. Future extensions of the data manage