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The nature of the spill is determined by the risk from the hazardous substance and the level of containment
of the spill. An example of a minor spill is 5ml of concentrated Sulphuric Acid in a fume cupboard.
Although the risk of concentrated acid is high it is only a small volume that can easily be neutralised and removed. An example of a major spill is the uncontrolled release of ammonia from a gas cylinder in an unventilated enclosed area. The volume is large and may represent a high risk to persons in the area.
Emergency Procedures should consider the immediate danger to persons and ensure effective containment and clean up, appropriate disposal of waste material and notification to all relevant authorities.
Do not touch any harmful substance. Take precautions to protect yourself if necessary.