M22 measuring stack gas emissions using FTIR instruments
Guidance on using manual extractive Fourier Transform Infrared (FTIR) spectroscopic instruments to measure emissions of pollutants from industrial stacks.
Applies to England
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This technical guidance note specifies the requirements for the use of manual extractive Fourier Transform Infrared (FTIR) spectroscopy for the speciation and quantification of gases monitored within stacks.