Measurements of standard methane emissions: The inventory QC procedures used at the rice field level willbe determined largely by local scientists. There are, however, certain internationally determined procedures toobtain ‘standard emission factors’ that should be common to all monitoring programmes. Instructions forobtaining standard emission factors are contained in IAEA (1992) and IGAC (1994). It is desirable for eachlaboratory in every reporting country to obtain this standard emission factor to ensure the intercomparibility andintercalibration of extended data sets used to establish country-specific emission factors.
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