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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
Skull. Pictogram.

 

Illustrated gas cylinder. Sign.
Cabinets and fume hoods containing toxic gases shall be marked with these sign and pictograms.
Skull. Pictogram.
Illustrated gas cylinder. Sign.
Storage rooms containing toxic gases shall be marked with these sign and
pictograms.