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Hazard symbols are universally recognized symbols designed to alert individuals to the presence of hazardous or dangerous materials, locations, or conditions. These include risks associated with electromagnetic fields , electric currents , toxic chemicals, explosive substances , and radioactive materials .
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
English: The hazard symbol for toxic/highly toxic substances according to directive 67/548/EWG by the European Chemicals Bureau. Español: Símbolo de peligro para sustancia altamente tóxicas de acuerdo a la directiva 67/548/EWG de el Departamento Químico Europeo.
In the United States, due to concerns that the skull-and-crossbones symbol's association with pirates might encourage children to play with toxic materials, the Mr. Yuk symbol was created to denote poison. However, in 2001, the American Association of Poison Control Center voted to continue to require the skull and crossbones symbol. [11]
Miscellaneous Symbols is a Unicode block (U+2600–U+26FF) containing glyphs representing concepts from a variety of categories: astrological, astronomical, chess, dice, musical notation, political symbols, recycling, religious symbols, trigrams, warning signs, and weather, among others.
English: Globally Harmonized System of Classification and Labelling of Chemicals (GHS) pictogram for toxic substances Français : Système général harmonisé de classification et d'étiquetage des produits chimiques (SGH) : pictogramme pour les substances toxiques
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Globally Harmonized System of Classification and Labelling of Chemicals (GHS) pictogram for environmentally hazardous substances Spanish Pictograma del Sistema Globalmente Armonizado de Clasificación y Etiquetado de Productos Químicos (SGA) para sustancias peligrosas para el medio ambiente