Local Exhaust Ventilation (LEV) for Workplace Safety

This guide provides essential information for employers on selecting, installing, and maintaining local exhaust ventilation (LEV) systems to protect workers from hazardous airborne contaminants in the workplace.
Created: 10 June 2024
Last Reviewed: 10 June 2024
Contents
Introduction
What is LEV?
Why Should I Bother with LEV?
What Makes Up an LEV System?
How Do I Ensure I Get the Right Type of LEV?
How Do I Select an LEV Supplier?
How Do I Know the LEV Works?
What Do I Need to Do Once the LEV is Installed?

Introduction

Airborne contaminants in the workplace pose significant health risks, leading to lung diseases and conditions such as asthma. To mitigate these risks, many employers install Local Exhaust Ventilation (LEV) systems. However, for LEV to be effective, it must be properly chosen, installed, and maintained. This guide aims to help employers and LEV installers understand how to select the appropriate LEV system, ensure its proper functioning, and maintain it to protect employees’ health effectively.

What is LEV?

Local Exhaust Ventilation (LEV) is an extraction system designed to remove airborne contaminants such as dust, mist, fumes, gas, or vapor from the air, preventing them from being inhaled. Properly designed LEV systems collect contaminated air, contain and transport it away from people, and, if necessary, clean the air before releasing it safely.

Why Should I Bother with LEV?

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