Attend to injured or contaminated persons and remove them from the area of exposure.
	Alert people in the laboratory to evacuate.
	If spilled material is flammable, turn off ignition and heat sources if this can be done safely. Place some device (e.g. plastic bag) over spilled material to keep substance from volatilizing.
	Call the Chemical Spill Emergency Response number.
	Close all doors leading to affected area.
	Have a person who is familiar with the incident and laboratory available to answer questions from emergency response personnel.

Some hazardous materials (alkali metals, mercury, phosphorus, etc.) require specialized procedures or equipment to safely clean up a spill. Contact the Office of Environmental Health and Safety to clean up all spills of reactive and highly toxic materials.