Where can I find the NFPA 704 ratings for my chemicals?.The purpose of these signs is to assist first responders in recognizing and identifying possible hazards, thus they should be placed as to be readily visible with respect to location and size. Position NFPA Diamond signs on stationary containers and above-ground tanks and at entrances to locations where hazardous materials are stored, dispensed, used or handled in quantities that require an operational permit.If there are numerous areas where the emergency personnel could enter, then, there should be numerous signs covering those areas. ![]() Each principal means of access to an exterior storage area.Two exterior walls or enclosures containing a means of access to a building or facility.Signs must be in locations approved by the authority having jurisdiction and as a minimum must be posted at the following locations: NFPA 704 Hazardous Materials Identification System.These placards act as an immediate warning system for emergency service personnel, addressing health, flammability, instability, and special hazards that may be present, acute exposures that are most likely to occur as a result of fire, spill, or similar emergencies. ![]() This standard provides a readily recognized, easily understood system for identifying specific hazards and their severity using spatial, visual, and numerical methods to describe in simple terms the relative hazards of a material. ![]()
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