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  2. Hazard symbol - Wikipedia

    en.wikipedia.org/wiki/Hazard_symbol

    The sign is commonly referred to as a radioactivity warning sign, but it is actually a warning sign of ionizing radiation. Ionizing radiation is a much broader category than radioactivity alone, as many non-radioactive sources also emit potentially dangerous levels of ionizing radiation.

  3. Long-term nuclear waste warning messages - Wikipedia

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

    Proposed pictogram warning of the dangers of buried nuclear waste for the Waste Isolation Pilot Plant. 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.

  4. GHS hazard pictograms - Wikipedia

    en.wikipedia.org/wiki/GHS_hazard_pictograms

    Alternative sign. Division 2.2 Toxic gases – Gases which: are known to be so toxic or corrosive to humans as to pose a hazard to health; or; are presumed to be toxic or corrosive to humans because they have an LC 50 value equal to or less than 5000 ml/m 3 (ppm). e.g. hydrogen cyanide. Division 2.3

  5. GHS hazard statements - Wikipedia

    en.wikipedia.org/wiki/GHS_hazard_statements

    EUH211: Warning! Hazardous respirable droplets may be formed when sprayed. Do not breathe spray or mist. EUH212: Warning! Hazardous respirable dust may be formed when used. Do not breathe dust. EUH401: To avoid risks to human health and the environment, comply with the instructions for use.

  6. Globally Harmonized System of Classification and Labelling of ...

    en.wikipedia.org/wiki/Globally_Harmonized_System...

    The pictogram for harmful substances of the Globally Harmonized System of Classification and Labelling of Chemicals.. The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) is an internationally agreed-upon standard managed by the United Nations that was set up to replace the assortment of hazardous material classification and labelling schemes previously used around ...

  7. Biological hazard - Wikipedia

    en.wikipedia.org/wiki/Biological_hazard

    Biohazardous safety issues are identified with specified labels, [b] signs and paragraphs established by the American National Standards Institute (ANSI). Today, ANSI Z535 standards for biohazards are used worldwide and should always be used appropriately within ANSI Z535 Hazardous Communications (HazCom) signage, labeling and paragraphs.

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