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MAINTENANCE HAZARDO US WASTE MANUAL <br />Chapter 2 <br />Page 14 <br />SIGNAGE <br />NFPA 704 Warning System <br />Background The Standard System for the identification of the fire hazards <br />of materials was first adopted by the NFPA in 1961. The <br />purpose of the standard is to safeguard the lives of those <br />individuals who may be concerned with fires or emergencies <br />occurring in an industrial plant or storage location where the <br />hazards of materials on-site may not be readily apparent. <br />Applicability Applies to facilities that manufacture, store or use hazardous <br />materials. <br />Purpose Provides a simple system of readily recognizable and easily <br />understood markings which will give, at a glance, the general <br />idea of the inherent hazards of any hazardous material. <br />Components Identifies the hazards of a material in terms of three principle <br />categories: Health, Flammability and Reactivity. <br />Indicates order of severity numerically by five divisions <br />ranging from four (4), indicating a severe hazard, to zero (0), <br />indicating no special hazard. <br />The diamond shapes present information by a standard pattern <br />of shapes and colors; Health (blue), left; Flammability (red), <br />top; Reactivity (yellow), right. <br />The bottom space indicates unusual hazards such as reactivity <br />with water, oxidizing properties or radioactivity. <br />July 2018 <br />