Recommended Methods No. 42 - Atmosphere for Conditioning and Testing Fine-Cut Tobacco and Fine-Cut Smoking Articles (CRM developed into ISO 15592-2) June 1997
Recommended Methods No. 41 - Determination of the Draw Resistance of Cigarettes and Filter Rods (CRM developed into ISO 6565) June 2007 - second edition
Recommended Methods obsolete No. 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 (CRM developed into ISO 2965) October 1994
Recommended Methods No. 39 - Determination of the Purity of Nicotine and Nicotine Salts by Gravimetric Analysis - Tungstosilicic Acid Method (CRM developed into ISO 13276) Nov. 1994
Recommended Methods No. 38 - Determination of Reducing Carbohydrates in Tobacco by Continuous Flow Analysis (CRM developed into ISO 15154) Aug. 2010 - second edition
Recommended Methods No. 37 - Determination of Reducing Substances in Tobacco by Continuous Flow Analysis (CRM developed into ISO 15153) Aug. 2010 - second edition
Recommended Methods No. 36 - Determination of Nitrate in Tobacco and Smokeless Tobacco Products by Reduction to Nitrite and Continuous Flow Analysis (CRM developed into ISO 15517) Jan. 2015 - fourth edition
Recommended Methods obsolete No. 35 - Determination of Total Alkaloids (as Nicotine) in Tobacco by Continuous Flow Analysis (CRM developed into ISO 15152) Aug. 2010 - second edition