The stack is nothing but a chimney that is used to disperse the hot air at a great height, emissions & particulate matters that are emitted from the various types of stacks like boiler, flue gas, etc.
Stack Emission monitoring is referred to as Stack emission testing, stack emission monitoring, stack sampling, Source Emission Monitoring, or Source Testing
Stack Emission Requirements:
•To compare changes in emission with the changes in processes or raw materials
• To measure the effectiveness of pollutants controller equipment for a given condition
• To determine the quality and quantity of air pollutants emitted by the source
• To measure the effectiveness of pollutants controller equipment before and after installation
• To compare results with emission standards to take required action