What is a Worker Exposure Survey?

• A. A survey where the potential to exceed limits exists, worker exposures shall be evaluated by direct measures with noise dosimeters, or indirectly with noise exposure calculations
• B. A survey to classify noise sources
• C. A survey to measure humidity
• D. A survey about PPE inventory

Answer: (A)

A Worker Exposure Survey is a systematic check to see if workers could be exposed to noise at levels that exceed allowable limits, using either direct measurements or estimation methods. When there’s a potential for exposure to exceed the limits, you collect data on what workers are exposed to during their tasks. Direct measurements involve having workers wear noise dosimeters to capture actual exposure over a shift. Indirect methods use calculations or measurements of the environment—such as area sound levels, task duration, and worker activities—to estimate exposures without wearing dosimeters. The goal is to determine whether exposures meet or exceed the regulatory limits and to guide decisions on controls, PPE, or changes in work practices. This type of survey is specifically about exposure levels, not just identifying what noise sources exist, measuring humidity, or inventorying PPE.