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Final report on international comparison CCQM-K68: Nitrous oxide in synthetic air
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2011
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Carbon DioxideChemical EngineeringNitrous OxideGreenhouse GasesDemonstrated EquivalenceEngineeringSynthetic AirGreenhouse EffectFinal ReportAir QualityCarbon AccountingChemistryAir PollutionGlobal Warming PotentialEmissionsEarth ScienceGreenhouse Gas Measurement
Nitrous oxide (N2O) is one of six greenhouse gases that are regulated by the Kyoto Protocol and has a Global Warming Potential (GWP) that is 296 times that of carbon dioxide. Global levels of nitrous oxide have increased at a rate of 0.25%/yr (0.8 ppb/yr) during the last ten years. In order to monitor levels of nitrous oxide in the atmosphere, it is necessary to use measurement standards with demonstrated equivalence at the highest level of accuracy.