: If you are "buying" data to calculate a carbon footprint, you are actually purchasing access to an Emission Factor Database .
: If buying for a business, look for tools that automate the "matching" of your activities to the correct factors, as Generative AI is now being used to streamline this complex matching process. Emissions Factors 2024 - Data product - IEA buy no2 factor
in various concentrations (e.g., 5 ppm to 100 ppm) balanced in air or nitrogen. : If you are "buying" data to calculate
: If for regulatory compliance (e.g., EPA NAAQS), ensure the gas is NIST-traceable to ensure legal validity of your measurements. : If for regulatory compliance (e
: Companies like Airgas or Mesa Specialty Gases provide NO2cap N cap O sub 2
is a toxic air pollutant (often measured in ppb or ppm), while N2Ocap N sub 2 cap O is a potent greenhouse gas used in medicine and racing.