Hazard Symbols

This page lists all the various symbols in the Hazard Symbols category.

Hazard symbol are recognizable symbols designed to warn about hazardous materials, locations, or objects, including electric currents, poisons, and other things. The use of hazard symbols is often regulated by law and directed by standards organizations. Hazard symbols may appear with different colors, backgrounds, borders and supplemental information in order to specify the type of hazard.

Symbols in this category:

Biohazard Sign

Biological hazards, also known as biohazards, refer to biological substances that pose a threat to the health of living organisms, primarily that of humans.

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Biological hazard

Biological hazards, also known as biohazards, refer to biological substances that pose a threat to the health of living organisms, primarily that of humans.

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Chemical weapon symbol

Chemical weapon symbol

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General Caution

General Caution

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High voltage sign

High voltage sign

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Ionizing radiation sign

Ionizing radiation sign

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Ionizing radiation symbol

The new supplementary ionizing radiation warning symbol launched on 15 February 2007 by the International Atomic Energy Agency (IAEA) and the International Organization for Standardization (ISO). Contains radiating waves, a skull and crossbones and a running person. Note: Will only replace the standard yellow radiation trefoil symbol in certain specific limited circumstances.

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Laser hazard sign

Laser hazard sign

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Magnetic field symbol

Magnetic field symbol

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Mr. Yuk Symbol

Mr. Yuk is a trademarked graphic image, created by the Children's Hospital of Pittsburgh, and widely employed in the United States in labeling of substances that are poisonous if ingested.

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NFPA 704 warning sign

The US-based National Fire Protection Association (NFPA) has a standard NFPA 704 using a diamond with four colored sections each with a number indicating severity 0—4 (0 for no hazard, 4 indicates a severe hazard).

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Non-ionizing radiation sign

Non-ionizing radiation sign

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Radioactive trefoil symbol

The international radiation symbol (also known as trefoil) first appeared in 1946, at the University of California, Berkeley Radiation Laboratory.

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Radioactivity sign

Radioactivity sign

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Skull and crossbones (poison)

A skull and crossbones is a symbol consisting of a human skull and two long bones crossed together under the skull

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"Hazard Symbols." Symbols.com. STANDS4 LLC, 2014. Web. 22 Sep. 2014. <http://www.symbols.com/category/42>.

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