T593-char group
Toxic effect of other gases, fumes and vapours
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Incl.: aerosol propellants Excl.: chlorofluorocarbons (T53.5)