5.5 Toxic gases
Corrosive substances or substances which may impede respiration should be obtained in cylinders small enough to be used within a fume hood. Such gas cylinders should be clearly marked with skull and crossbones.
Poison gas may not be stored together with flammable gas.
![Dödskalle. Piktogram.](/fileadmin/kc/KCwebb2021/general_safety_regulations/RTEmagicC_Toxic.png.png)
![](/fileadmin/kc/KCwebb2021/general_safety_regulations/gasflaskany2.jpg)
Cabinets and fume hoods containing toxic gases should be marked with these two signs/pictograms.
![Dödskalle. Piktogram.](/fileadmin/kc/KCwebb2021/general_safety_regulations/RTEmagicC_Toxic.png.png)
![](/fileadmin/kc/KCwebb2021/general_safety_regulations/gasflaskany2.jpg)
Storage rooms containing toxic gases should be marked with these signs/pictograms.