Separation distances are crucial in fire safety. Even more when dangerous or inflammable products and materials such as chemicals are stored in buildings. NFPA 400 is the main standard that regulates the distances required for proper storage of those materials.
NFPA is the main institution that makes standards and regulations in fire safety in the USA. NFPA 400 stablishes the separation and distances that must be accomplished in buildings where chemicals are stored or any other equipments exist. These kind of regulations are crucial for human safety in buildings.