This standard PD 6503-1:1990 Toxicity of combustion products is classified in these ICS categories:
13.220.01 Protection against fire in general
The purpose of this part of ISO/TR 9122 is to provide an up-to-date review of the philosophies prevailing on the question of the development of tests for assessing toxic hazards in fire. It presents the state of the art in 1987.