gas metrology - comparisons

Gas metrology: Comparisons

The comparisons run by the BIPM form part of the CCQM and its Gas Analysis (CCWM-GAWG) and Isotope Ratio (CCQM-IRWG) Working Group activities to enable NMIs to demonstrate their measurement capabilities in the areas of:

greenhouse gases, demonstrating consistency at levels required to support national energy and environmental priorities;
major air-quality gases, demonstrating consistency at levels required to support national health and environmental priorities.