ISO/TR 17219:2013 was prepared by an ad hoc Smoking Behaviour Review Team to address the following terms of reference:
a) to review worldwide human smoking behaviour documentation, uptake studies and smoking methods;
b) to report maximum and minimum values for puff volume, puff duration, puff frequency, ventilation blocking, butt lengths and other parameters;
c) to recommend one or more sets of parameters for potential new practical machine smoking regimes in addition to the existing ISO standard (ISO 3308);
d) to identify gaps in existing knowledge.