NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response
Current Edition: 2012 Next Edition: 2017

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NFPA 704:
2012 Edition
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What is NFPA 704?
NFPA 704: Document Scope
1.1 Scope. This standard shall address the health, flammability, instability, and related hazards that are presented by short-term, acute exposure to a material under conditions of fire, spill, or similar emergencies.
This standard presents a simple, readily recognized, and easily understood system of markings (commonly referred to as the "NFPA hazard diamond") that provides an immediate general sense of the hazards of a material and the severity of these hazards as they relate to emergency response. Official document scope
What does NFPA 704 address?
NFPA 704 provides criteria for assessing the health, flammability instability, and related hazards that are presented by short-term, acute exposure to a material under conditions of fire, spill, or similar emergencies. A number rating system of 0-4 is provided to rate each of the four hazards and is placed on a placard and provide emergency responders with the information they need to determine the immediate actions to be taken in an emergency. Tables in the standard provide the criteria for the ratings and placard specifications such as letter size and arrangement of numbers and colors are provided in the standard. Table of Contents

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