---
title: Exposure limits Pocket Guide
description: This quick guide introduces various measurement systems and exposure limits for occupational safety.
---

# Exposure limits Pocket Guide

![stel_guide_mockup](https://info.gasmet.com/hs-fs/hubfs/stel_guide_mockup.jpg?width=555&height=555&name=stel_guide_mockup.jpg)

 

 

We made this guide, so that you would not have to Google everything. After reading this short guide, you will:

- Remember the various exposure limits, their usage and how to apply them (OEL, PEL, REL etc)
- Understand the various measurement systems (TWA, STEL etc)
- Have a quick access to the exposure limit values of some of the most common workplace gases

[![Open exposure limits guide](https://no-cache.hubspot.com/cta/default/4052802/807a9b62-f243-451b-8817-71572b2705fe.png)](https://cta-redirect.hubspot.com/cta/redirect/4052802/807a9b62-f243-451b-8817-71572b2705fe)

 

---

You might also be interested to read these articles:

- [Ensuring indoor air quality in hospitals and other healthcare facilities](https://www.gasmet.com/blog/ensuring-indoor-air-quality-in-hospitals-and-other-healthcare-facilities/)
- [Ensuring your employees workplace air quality is safe](https://www.gasmet.com/blog/ensuring-your-employees-workplace-air-quality-is-safe/)