It is usually the amount of different chemicals that make labs so potentially dangerous. Find more information on chemical safety here. Call Sue Fisher at Ext. 2507, or Skip Hines at Ext. 5938, or visit us at MH-557. The signs on doors will help you determine your next plan of action. The pictures warn of poisonous substances, carcinogens, corrosives, or flammable material.
Cylinders can contain inert gases or very toxic substances.