Symbol 2484 from ISO 7000 - Title/Meaning: Protection against particulate radioactive contamination 
Function/description: To indicate that the clothing or material provides protection against radioactive particulate contamination.
Own work using: iso.org/obp/graphics/grs/e966691c-279d-480c-9258-fa6d7357cf9d 200.png
Vectorization:  Mrmw