20200506 13050700 1.0 TRUE 14 - Hazardous Materials (NFPA 704) This point feature class is used to identify Hazardous materials as defined by NFPA 704. The NFPA 704 standard is maintained by the U.S.-based National Fire Protection Association and defines the "fire diamond" used by emergency personnel to quickly and easily identify the risks posed by nearby hazardous materials.