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  1. Central Calibration Laboratory
  2. Calibration Results
Standard Reference Gases: Calibration Results
NOTE: This page gives results for CO2 in the older WMO X2007 scale.

Results in the new WMO X2019 scale are available here.

Reference Gas Calibration Results
The JSON format will allow you to download a file of results for further analysis. Go here for more details.
The CSV format will allow you to download a spreadsheet compatible file of results for further analysis.
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