CIH Practice Questions - Certified Industrial Hygienist Exam

The primary purpose of a local exhaust ventilation (LEV) system is to:

Provide general comfort and temperature control for the workplace. Capture and remove contaminants at their source before they enter the breathing zone. Dilute contaminants in the general workplace air to acceptable levels. Pressurize the building to prevent the entry of outdoor pollutants.

Correct Answer:

Capture and remove contaminants at their source before they enter the breathing zone.

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