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.
|Cabinets and fume hoods containing toxic gases should be marked with these two signs/pictograms.|
|Storage rooms containing toxic gases should be marked with these signs/pictograms.|