Sulfur Dioxide (SO2) monitoring
Sulfur dioxide is a noxious gas that can cause respiratory damage as well as impairing visibility when in high concentrations. Sulfur Dioxide also has the potential to form Acid rain (H2SO4) which causes health, environmental and infrastructural problems to human society.
The pollutants SO2 is found in the ambient air as well as stack and naturally in background measurements. SO2 is a requirement for most ambient air monitoring projects including being one of the 6 criteria pollutants required for measurement by the U.S. EPA.