Standard [CURRENT]
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This standard specifies a method for sampling, sample conditioning and determination of dinitrogen monoxide (N2O) concentration in the flue gas emitted from ducts and stacks to atmosphere. It sets out the non-dispersive infrared (NDIR) analytical technique, including the sampling system and sample gas conditioning system. This method is considered to be a reference method for periodic monitoring and for calibration, adjustment or control of automatic monitoring systems permanently installed in the flue gas duct.