• Avoid purchasing unnecessary or excessive amounts of chemicals
• Ensure that chemicals are accompanied by a Safety Data Sheet (SDS) upon receipt.
• Accept only chemicals that are stored in proper containers and labeled.
• Register the date of receipt and expiry (for some chemicals) in the inventory information.
• The following information should be included in an inventory list:

         - Chemical name
         - Date manufactured and date received
         - Chemical properties such as flammability, corrosiveness, etc.
         - Additional safety information such as the need for handling in a fume hood or              the need for personal protective equipment.

• A chemical storage room should have a good ventilation system.
• A special room for certain types of chemicals.
• The chemical storage room needs to be regularly inspected to ensure that there are no leaks or spills.
• Chemical storage rooms must be located in an easily accessible location for vehicles, for both delivery and emergency purposes.
• Chemical storage rooms must be equipped with appropriate fire extinguishing equipment, personal protective equipment, and specific communication systems that can be used during emergencies.
• The chemical storage room must be located near the laboratory to reduce the risk of accidents during the distribution of chemicals.
• The safety level of the chemical storage room, such as electrical wiring, ventilation system, and others, must be inspected at least once a year.
• The chemical storage room cannot be used as a preparation or repackaging room for chemicals.
• The handling of the chemical storage room must be done only by designated personnel.
• The storage of flammable liquid chemicals in cabinets cannot exceed 227 liters (60 gallons) for liquids with a flash point of less than 60OC (140OF) and cannot exceed 454 liters (120 gallons) for liquids with a flash point above 60OC (140OF).
• Workers who handle chemical storage are responsible for:

• Containers for filling spilled chemicals should be provided in the storage room in case of chemical spills.

• All chemicals temporarily stored in laboratories must be properly labeled.
• Chemicals must be stored according to their appropriate classifications, such as acids, bases, oxidizers, toxic substances.
• Flammable materials should be stored in suitable cabinets.
• Do not store chemicals in places such as on lab benches, in fume hoods, under sinks, in high places, hard-to-reach places, on the floor, in sinks or refrigerators for flammable substances.
• Avoid direct exposure of temporary chemical storage areas to sunlight.
• All gas cylinders in the laboratory must be stored upright and chained.
• Chemicals that are no longer needed must be stored in the chemical storage room or disposed of properly.
• Storage cabinets must have good ventilation.
• Chemicals that are flammable or explosive must be stored in a special spark-free refrigerator.
• Refrigerators used to store chemicals should not be used at all to store food and beverages, even for laboratory use purposes.