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Encyclopedia > Hazard symbol
The skull and crossbones, a common symbol for poison.
The skull and crossbones, a common symbol for poison.

Hazard symbols are easily recognizable symbols designed to warn about hazardous materials or locations. 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 signify the type of hazard. Image File history File links Skull_and_crossbones. ... Image File history File links Skull_and_crossbones. ... A standards organization, also sometimes referred to as a standards body, a standards development organization or SDO (depending on what is being referenced), is any entity whose primary activities are developing, coordinating, promulgating, revising, amending, reissuing, interpreting, or otherwise maintaining standards that address the interests of a wide base of...

Contents

Common hazard symbols

Name Symbol Unicode Image
Toxic sign U+2620 Skull and crossbones
Caution sign U+2621
Radiation sign U+2622 Radioactivity
Ionizing radiation sign Radioactivity
Non-ionizing radiation sign radiowave
Biohazard sign U+2623 Biohazard
Warning sign U+26A0 Warning
High voltage sign U+26A1 High voltage

EU standard toxic symbol, as defined by Directive 67/548/EEC. A skull and crossbones (☠) is a symbol consisting of a human skull and two bones crossed together under the skull. ... Image File history File links Skull_and_crossbones. ... Radiation as used in physics, is energy in the form of waves or particles. ... Image File history File links Radiation_warning_symbol. ... Radiation hazard symbol. ... Image File history File links No higher resolution available. ... Non-ionising radiation (or in American English non-ionizing radiation) refers to any type of electromagnetic radiation that does not carry enough energy to ionize living material - that is, to completely remove an electron from an atom or molecule. ... Image File history File links Radio_waves_hazard_symbol. ... The international biological hazard symbol Immediate disposal of used needles into a sharps container is standard procedure. ... Image File history File links Biohazard_symbol. ... A traffic warning sign is a type of traffic sign that indicates a hazard ahead on the road. ... Image File history File links Achtung. ... In electrical engineering High voltage refers to a voltage which is high. ... Image File history File links High_voltage_warning. ...

Radioactive sign

The international radiation symbol (also known as trefoil) first appeared in 1946, at the University of California, Berkeley Radiation Laboratory. At the time, it was rendered as magenta, and was set on a blue background.[1] It is drawn with a central circle of radius R, an internal radius of 1.5R and an external radius of 5R for the blades, which are separated from each other by 60°.[2] Image File history File links Radiation_warning_symbol. ... Architecture Architectural Trefoil (also a Christian symbol) Trefoil (from Latin trifolium, three-leaved plant, French trèfle, German Dreiblatt and Dreiblattbogen) is a term in Gothic architecture given to the ornamental foliation or cusping introduced in the heads of window-lights, tracery, panellings, etc. ... 1946 (MCMXLVI) was a common year starting on Tuesday. ... Sather tower (the Campanile) looking out over the San Francisco Bay and Mount Tamalpais. ... Magenta is a color made up of equal parts of red and blue light. ... YOU SUCK!!!!! ...

On February 15, 2007, the IAEA and the ISO announced this new ionising radiation symbol to supplement the traditional trefoil symbol. The new symbol is aimed at alerting anyone, anywhere to the potential dangers of being close to a large source of ionizing radiation [3]. Image File history File links No higher resolution available. ... February 15 is the 46th day of the year in the Gregorian calendar. ... 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the CE era. ... IAEA The International Atomic Energy Agency (IAEA), established as an autonomous organization on July 29, 1957, seeks to promote the peaceful use of nuclear energy and to inhibit its use for military purposes. ... ISO has many meanings: Iso is the stem of the Latin transliteration of the Greek word ίσος (ísos, meaning equal). The iso- prefix in English derives from this and means equality or similarity. ...


Biohazard sign

Developed by Dow Chemical company in the 1960s for their containment products.[4] Image File history File links Biohazard_symbol. ...


According to Charles Dullin, an environmental-health engineer who contributed to its development:

We wanted something that was memorable but meaningless, so we could educate people as to what it means.

(how to draw it[5])


The symbol used today as the biohazard sign is in fact a Japanese family crest or "mon." It can be found on page 195 of the book "Japanese Design Motifs: 4,260 Illustrations of Japanese Crests" translated by Fumie Adachi and published by Dover. Biological hazard. ...


Toxic sign

Main article: Skull and crossbones

The skull and crossbones symbol, consisting of a human skull and two bones crossed together under the skull, is today generally used as a warning of danger, particularly in regard to poisonous substances. EU standard toxic symbol, as defined by Directive 67/548/EEC. A skull and crossbones (☠) is a symbol consisting of a human skull and two bones crossed together under the skull. ... Image File history File links Skull_and_crossbones. ... It has been suggested that temporal fenestra be merged into this article or section. ... The skull and crossbones symbol (Jolly Roger) traditionally used to label a poisonous substance. ...


The symbol, or some variation thereof, was also featured on the Jolly Roger, the traditional flag of European and American pirates. It is also used by the Skull and Bones, a secret society at Yale University, and is part of the WHMIS home symbols placed on containers to confirm that the substance inside is dangerous in a way. A generic version of the Jolly Roger. ... The Dannebrog, national flag of Denmark. ... World map showing the location of Europe. ... Look up pirate and piracy in Wiktionary, the free dictionary. ... Emblem of the Skull and Bones society The Order of Skull and Bones, once known as The Brotherhood of Death[1], is a secret society based at Yale University, in New Haven, Connecticut, and one of the earliest-established of student secret societies to rival Phi Beta Kappa, also originally... A secret society is an organization that conceals its activities from outsiders. ... “Yale” redirects here. ...


In the USA, due to concerns that the skull and bones symbol's association with pirates encourages children to play with toxic materials, the Mr. Yuk symbol is also used to denote poison. Mr. ...


Warning sign

Main article: Exclamation mark

On warning signs, an exclamation mark is often used to draw attention to a warning of danger, hazards and the unexpected.There are several theories about the origins of the exclamation mark. an exclamation mark An exclamation mark, exclamation point or bang, !, is usually used after an interjection or exclamation to indicate strong feeling. ... Image File history File links Achtung. ... A traffic warning sign is a type of traffic sign that indicates a hazard ahead on the road. ... an exclamation mark An exclamation mark, exclamation point or bang, !, is usually used after an interjection or exclamation to indicate strong feeling. ...


Chemical hazard

NFPA 704 standard hazard sticker or placard. See NFPA 704 for details.
NFPA 704 standard hazard sticker or placard. See NFPA 704 for details.
European type hazard sign, saying highly inflammable (33) - gasoline (1203)
European type hazard sign, saying highly inflammable (33) - gasoline (1203)

A chemical hazard label is a pictogram applied to containers of dangerous chemical compounds to indicate the specific risk, and thus the required precautions. There are several systems of labels. Image File history File links Nfpa704. ... Image File history File links Nfpa704. ... 1942 US government war poster. ... NFPA 704 is a standard maintained by the U.S. National Fire Protection Association. ... Image File history File links No higher resolution available. ... Image File history File links No higher resolution available. ... Gasoline or petrol is a petroleum-derived liquid mixture consisting mostly of hydrocarbons and enhanced with benzene or iso-octane to increase octane ratings, used as fuel in internal combustion engines. ... This article or section does not adequately cite its references or sources. ... A chemical compound is a chemical substance consisting of two or more different chemically bonded chemical elements, with a fixed ratio determining the composition. ...


The U.S.-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). The red section denotes flammability. Blue is health risks. Yellow is reactivity (tendency to explode). The white section denotes special hazard information. This label is used primarily in the USA. The National Fire Protection Association (established 1896) is an independent, voluntary-membership, nonprofit (tax-exempt) organization. ... NFPA 704 is a standard maintained by the U.S. National Fire Protection Association. ...


In Europe, another standard is used, as fixed in the ADR-Agreement. Vehicles carrying dangerous goods have to be fitted with orange signs, where the lower number identifies the substance, while the upper number is a key for the threat it may pose. The European Agreement concerning the International Carriage of Dangerous Goods by Road, or ADR, governs transnational transport of hazardous materials. ...


European hazard symbols

These hazard symbols for chemicals are defined in Annex II of Directive 67/548/EEC. A consolidated list with translations into other EU languages can be found in Directive 2001/59/EC (See the links section). Council Directive 67/548/EEC of 27 June 1967 on the approximation of laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances (as amended) is the main European Union law concerning chemical safety. ...

The 'n' in Harmful (Xn) stands for the French word nocif (noxious).


See also

Standards are produced by many organizations, some for internal usage only, others for use by a groups of people, groups of companies, or a subsection of an industry. ... The International Organization for Standardization (ISO) is an international standard-setting body composed of representatives from various national standards bodies. ... ISO 3864 specifies international standards for safety labels. ... British Standards is the new name of the British Standards Institute and is part of BSI Group which also includes a testing organisation. ... This article or section does not adequately cite its references or sources. ... NFPA 704 is a standard maintained by the U.S. National Fire Protection Association. ... WHMIS (or Workplace Hazardous Materials Information System) is Canadas national hazard communication program for hazardous workplace chemicals. ... A traffic warning sign is a type of traffic sign that indicates a hazard ahead on the road. ...

References

  1. ^ Origin of the Radiation Warning Symbol (Trefoil).
  2. ^ Biohazard and radioactive Symbol ,design and proportions.
  3. ^ New Symbol Launched to Warn Public About Radiation Dangers. Retrieved on 2007-02-15.
  4. ^ Biohazard Symbol History.
  5. ^ Biohazard and radioactive Symbol ,design and proportions.

2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the CE era. ... February 15 is the 46th day of the year in the Gregorian calendar. ...

External links

Wikimedia Commons has media related to:
Hazard symbols
  • Safety symbols collection for hazard alerts A symbol library which offers various signs in the GIF and EPS formats. Licensed for free use only for writing technical documents.
  • European Chemicals Bureau
  • Directive 2001/59/EC
  • Hazchem information
  • free signage Library of signs in PDF format. Licensed to print and use in domestic and comercial premises.

 
 

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