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The air coming out of a chimney after combustion in the burner it is venting. It can include nitrogen oxides, carbon oxides, water vapor, sulfur oxides, particles and many chemical pollutants.
Source & ©: US environmental protection agency glossary
Carbon dioxide - Nitrogen oxides (NOx) - Particulate matter - Sulphur dioxide (SO2)
Español: Gas de combustión
Français: Gaz de combustion
