For safety around flammable and combustible liquids, using the latest NFPA 30 is the first priority. Enforceable under OSHA and many state and local regulations, NFPA 30: Flammable and Combustible Liquids Code is the best practice widely used in industry and by insurers. The 2015 edition of the Code includes the latest and most complete criteria you need to protect your facility by ensuring safe storage, handling, and use of flammable and combustible liquids.