We'd like to use analytics cookies to understand which symbols people look up, so we know what to research next. They are not used for advertising and we set none of them unless you say yes. What we store.
A figure limiting fissile packages carried together.
Also known as: Criticality safety index label, Fissile package index
The marking on a package of fissile material limiting how many may be carried together.
Limits how many packages of fissile material may be carried together.
Contexts: Laboratory
Addresses a different hazard from the transport index on the same label, so two figures in adjacent boxes constrain the same shipment for unrelated reasons.
Contexts: Laboratory
A figure written in a box on the package label, distinguished from the transport index by its own heading.