What is a hazardous substance?

Any substance which is listed in Part 1 of the Approved Supply List as dangerous for supply because it is very toxic, toxic, harmful, corrosive or irritant. 

See ECB website Annex I of Directive 67/548/EEC database for classifications.

• 
  Corrosive
• 
  Harmful
• 
  Irritant
• 
  Toxic
• 
  Very toxic

• Any preparation (mixture) that is dangerous for supply, as above.
• Any substance which has a Workplace Exposure Limit (WEL).
• Any biological agents used at work.
• Any dust other than one with a WEL at a concentration in air above 10 mg/m³ averaged over 8 hours, or any such respirable dust above 4 mg/m³ over 8 hours.
• Any other substance that creates a risk to health because of its properties and the way it is used or is present in the workplace.

New International symbols

International symbols will replace the European symbols in 2009. Some of them are similar to the current symbols but there is no single word describing the hazard. Information on these is available on the Globally Harmonised System webpages.