When.com Web Search

  1. Ads

    related to: radiation hazard symbol and meaning

Search results

  1. Results From The WOW.Com Content Network
  2. Hazard symbol - Wikipedia

    en.wikipedia.org/wiki/Hazard_symbol

    Hazard symbols are recognizable symbols designed to warn about hazardous or dangerous materials, locations, or objects, including electromagnetic fields, electric currents; harsh, toxic or unstable chemicals (acids, poisons, explosives); and radioactivity. The use of hazard symbols is often regulated by law and directed by standards organizations.

  3. ISO 21482 - Wikipedia

    en.wikipedia.org/wiki/ISO_21482

    Radiation safety symbol. Website. www.iso.org /standard /40264.html. ISO 21482 is a technical standard that specifies the design and usage of a "supplemental radiation warning symbol", a warning symbol. It is intended to warn people of the dangers of radiation hazards posed by sealed sources, and encourage the viewer to get away from the source.

  4. GHS hazard pictograms - Wikipedia

    en.wikipedia.org/wiki/GHS_hazard_pictograms

    Hazard pictograms are one of the key elements for the labelling of containers under the GHS, along with: [2] an identification of the product; a signal word – either Danger or Warning – where necessary. hazard statements, indicating the nature and degree of the risks posed by the product. precautionary statements, indicating how the product ...

  5. Radioactive contamination - Wikipedia

    en.wikipedia.org/wiki/Radioactive_contamination

    The radiation warning symbol (trefoil) Alpha radiation consists of helium-4 nucleus and is readily stopped by a sheet of paper. Beta radiation, consisting of electrons, is halted by an aluminium plate. Gamma radiation is eventually absorbed as it penetrates a dense material. Lead is good at absorbing gamma radiation, due to its density.

  6. Long-term nuclear waste warning messages - Wikipedia

    en.wikipedia.org/wiki/Long-term_nuclear_waste...

    Long-term nuclear waste warning messages. Long-term nuclear waste warning messages are communication attempts intended to deter human intrusion at nuclear waste repositories in the far future, within or above the order of magnitude of 10,000 years. Nuclear semiotics is an interdisciplinary field of research, first established by the American ...

  7. Ionizing radiation - Wikipedia

    en.wikipedia.org/wiki/Ionizing_radiation

    Ionizing radiation (US, ionising radiation in the UK), including nuclear radiation, consists of subatomic particles or electromagnetic waves that have sufficient energy to ionize atoms or molecules by detaching electrons from them. [1] Some particles can travel up to 99% of the speed of light, and the electromagnetic waves are on the high ...

  8. European hazard symbols - Wikipedia

    en.wikipedia.org/wiki/European_hazard_symbols

    The previous hazard symbols for chemicals, were introduced in the Directive Directive 67/548/EEC, in 1967, and required to be adopted no later than 1 January 1970. [6] The symbols were also included as a part of Directive 1999/45/EC. [7] The symbols were replaced from 1 December 2010 to 1 June 2017, via a gradual phaseout. [1]

  9. GHS hazard statements - Wikipedia

    en.wikipedia.org/wiki/GHS_hazard_statements

    Hazard statements form part of the Globally Harmonized System of Classification and Labelling of Chemicals (GHS). They are intended to form a set of standardized phrases about the hazards of chemical substances and mixtures that can be translated into different languages. [1][2] As such, they serve the same purpose as the well-known R-phrases ...