Quantitative Risk Assessment QRA and decision making in the transportation of dangerous goods.

Lessons learned from the International Consensus Conference on the Risks of Transporting Dangerous Goods, held in Toronto in April 1992, are used to suggest ways through which quantitative risk assessment can be made more practicable for users and decision makers. The discussion focuses on three aspects of the problem: risk uncertainty (in both estimation and process), communication (as related to perspective, criteria for representing risk, and relevance to decision making) and decision support (acting as a guide to cost-effective mitigation). (A)