A combustible liquid is one with a flash point of more than 100 degrees Fahrenheit, with the flash point being the lowest temperature at which the vapors from a material will ignite. Liquids with a flash point of less than 100 degrees Fahrenheit are technically considered “flammable.” This post will cover both combustible and flammable liquids. The National Fire Protection Agency sets forth rules in NFPA 30: Flammable and Combustible Liquids Code (“NFPA 30”) to reduce the hazards associated with the storage, handling, and use of combustible and flammable liquids . For an in-depth understanding of how to store combustible liquids,...