Stack Emissions Testing

EffecTech provides products and services for companies that monitor stack emissions.

For more information, please contact us.

Calibration gases accredited to ISO 17034 and ISO 17025 for continuous emission monitoring (CEM) and personal monitoring systems.

Stack Emissions Testing Scheme (SEPTS) for ISO 17025 accredited laboratories

Binary Emission Gas Mixtures	amount fraction range (mol/mol)
carbon monoxide	10 ppm to 1000 ppm
carbon dioxide	0.1% to 15%
oxygen	0.5% to 25%
nitric oxide	10 ppm to 600 ppm
nitrogen dioxide	5 ppm to 500 ppm
sulphur dioxide	10 ppm to 1000 ppm
methane (in nitrogen)	0.1% to 5%
methane (in synthetic air)	0.1% to 2.5%

Oxygen Gas Mixtures
oxygen in natural gas mixtures or nitrogen	10 ppm to 22.5%

ISO 17034 Continuous Emission Monitoring (CEM) mixture ranges