CRM 77 - Determination of Diffusion Capacity by Measurement of CO2 Transfer Rate Through Materials Used as Cigarette Papers and Cigarette Papers having an Oriented Zone of Reduced Diffusion Capacity (June 2019)

CRM 40 - Determination of Air Permeability of Materials used as Cigarette Papers, Filter Plug Wrap and Filter Joining Paper including Materials having an Oriented Permeable Zone (October 1994)

Report - 5th Proficiency Test (2022) on Diffusion Capacity of Cigarette Papers (November 2022)

Report - 4th Proficiency Test (2020) on Diffusion Capacity of Cigarette Papers (November 2020)

Report - 3rd Proficiency Test (2017) on Diffusion Capacity of Cigarette Papers (May 2017)

Report - 2015 Proficiency Test Report - The Measurement of Diffusion Capacity of Cigarette Papers (September 2015)

Report - Collaborative Study to Evaluate a Paperboard Substitute for a Diffusion Capacity Standard (August 2015)

Report - 2014 Collaborative Study for the Determination of Repeatability and Reproducibility of CRM 77 (June 2015)

Guide 14 - A User Guide for the Determination of the Diffusion Capacity (D*) of Cigarette Papers (June 2019)