The Non-Road Mobile Machinery (Emission of Gaseous and Particulate Pollutants) Regulations 1999

— EGA exhaust gas analyser (Figures 6 to 10)

CO₂ or NO_X analysers may be used (with carbon balance method CO₂ only). The analysers shall be calibrated like the analysers for the measurement of the gaseous emissions. One or several analysers may be used to determine the concentration differences.