NFPA develops, publishes, and disseminates more than 300 consensus codes and standards intended to minimize the possibility and effects of fire and other risks.Image and Copy Source: NFPAThere are two different NFPA Codes that apply to hazardous materials:NFPA 400: Hazardous Materials Code & NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response.