Fixed vs. Portable SO2 Detection: A 2026 Implementation Guide for Total Site Safety Sulfur dioxide (SO2) is a colorless, acrid gas commonly generated in chemical processing, wastewater treatment, ...

If you’re a firefighter or a member of an emergency response crew, you know that gas-related risks are a common part of the job. Toxic fumes can be present at any stage of a fire, but unless you use a ...