A US organization that has international membership. Its purpose is establishing and updating fire protection and prevention safeguards. NFPA publishes National Fire Codes, standards, manuals, and recommended practices in a 16-volume set. Its diamond-shaped label, issued under code NFPA704M, is known the world over and is placed on storage and shipping containers to state possible hazards levels. This label consists of four boxes, starting clockwise from top, represent fire/explosion, chemical reactivity, special hazards, and health hazard / toxicity. Each box displays the substance’s hazard level as a number ranging from 0, meaning not a hazard, to 4, meaning extremely hazardous.

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