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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.
The symbol was adopted as a standard in the US by ANSI in 1969. [6] [8] It was first documented as an international symbol in 1963 in International Organization for Standardization (ISO) recommendation R.361. [9] In 1974, after approval by national standards bodies, the symbol became an international standard as ISO 361 Basic ionizing radiation ...
The skull and crossbones has long been a standard symbol for poison. In 1829, New York State required the labeling of all containers of poisonous substances. [8] The skull and crossbones symbol appears to have been used for that purpose since the 1850s. Previously a variety of motifs had been used, including the Danish "+ + +" and drawings of ...
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.
Pages in category "Symbols" ... International Symbol of Access; Ionizing radiation symbol; ... Tangible symbol systems; Teardrop tattoo; Theta nigrum;
The symbol made up of one large cross with four small crosses around it dates back to the Crusades, but has more recently been linked to problematic Christian nationalists. ... This tattoo is the ...
This tattoo incorporates a sun and a yin-yang symbol into the semicolon. A yin-yang signifies the complementary forces that make up life on Earth ( 7 ). Image credits: @tatynpobkatattoostudio
Internationally known symbol - warning sign of ionizing radiation Items portrayed in this file depicts. inception. 19 January 2006 ...