本标准中的方法通常构成任何职业听力保护计划的一部分。本标准的使用者应精通噪声测量。本标准提供了以给定精度确定工人噪声暴露水平的方法。在某些情况下，用户只对确定工人的暴露水平高于或低于标准水平感兴趣。因此，当噪声暴露水平远高于或远低于标准水平时，本标准中的方法可以不那么严格地应用。

The methods in this Standard normally form part of any occupational hearing conservation program. Users of this Standard should be proficient in noise measurement.This Standard provides methods to determine the noise exposure level of workers with a given precision. In certain cases, the user is only interested in determining that a worker's exposure is above or below the criterion level. Therefore, the methods in this Standard can be less rigorously applied when the noise exposure level is either far above or far below the criterion level.