How does a Continuous Emission Monitoring System Work?

How does a Continuous Emission Monitoring System Work?

How does a Continuous Emission Monitoring System Work?

A continuous emission monitoring system provides a means to monitor the stack exhaust emissions on a continuous basis and report the pollutant emissions data as required to EPA and local authorities. The CEMS draws the exhaust gas sample from the stack, transport, and treats them for gas analyzers. The analyzers measure the concentrations of monitored pollutants and diluents in the samples. The CEMS is also provided with calibration gasses in cylinders for the initial certification test and then ongoing certification tests according to its quality assurance protocol.

The CEMS also collects and processes the pollutants and diluent data to the emissions data for the air quality management authorities.

Check “What does a typical CEMS consist of?” for more details about the CEMS equipment and components.