INTRODUCTION : You have studied of LT-1 course that storage is usually a necessity in most scientific establishments. You know that sufficient and appropriate storage space should be provided for storing particular items such as solvents, chemicals, and glassware and museum specimens.

You have studied of LT-1 course that no chemical can be considered totally safe. Storage and handling of chemical substances are two important duties of a laboratory worker. Chemicals can be poisonous, radioactive, explosives, corrosive substances or flammable substances.