368Numeric codesExcerpts from 49 CFR §172.102. Verify against the current official rule text before relying on them.Provision textIn the case of non-fissile or fissile-excepted uranium hexafluoride, the material must be classified under UN3507 or UN2978.Materials referencing this codeUN 2908 - Radioactive material, excepted package-empty packagingUN 2910 - Radioactive material, excepted package-limited quantity of material