Recommended Methods No. 6 - Determination of Ventilation - Definitions and Measurement Principles (CRM developed into ISO 9512) September 2016 - third edition Ref. PTM-061-CRM-06
Recommended Methods No. 5 - Determination of Carbon Monoxide in the Mainstream Smoke of Cigarettes by Non-Dispersive Infrared Analysis (CRM developed into ISO 8454; ISO 22947) Sept. 1993 - second edition
Recommended Methods obsolete No. 4 - Determination of Maleic Hydrazide Residues in Tobacco (CRM developed into ISO 4876) Sept 1976
Recommended Methods obsolete No. 2 - Determination of Organochlorine Pesticide Residues on Tobacco (CRM developed into ISO 4389) May 1997 - third edition
Recommended Methods No. 1 - Determination of Dithiocarbamates in Tobacco (CRM developed into ISO 6466) Nov. 1978 - third edition