Specifies shape, proportions, application, restrictions on the use of the symbol (possibly accompanied by additional symbols or words). Shall be used to signify the actual or potential presence of ionizing radiation (including gamma and X-rays. alpha and beta particles, high-speed electrons, neutrons, protons and other nuclear particles, but not sound waves and other types of electromagnetic waves). Does not specify the radiation levels at which it is to be used.
Document identifier
ISO 361:1975
Title
Basic ionizing radiation symbol
ISO Category
TC 85: Nuclear energy
Publication date
1975-10-01
International Relationship
DIN EN ISO 361 * BS EN ISO 361:2015
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