5.5 Toxic gases
Handling toxic gases
- Corrosive substances or substances that may impede respiration should be obtained in cylinders small enough to be used within a fume hood. These gas cylinders should be clearly marked with skull and crossbones.
- Poisonous gases must not be stored together with flammable gases.
Pictogram | What shall be marked | |
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| Cabinets and fume hoods containing toxic gases shall be marked with these sign and pictograms. |
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| Storage rooms containing toxic gases shall be marked with these sign and pictograms. |