Versions of See prior versions of a law on LawServer 2024 10 CFR 30.12 – Persons using byproduct material under certain Department of Energy and Nuclear Regulatory Commission contracts 2023 10 CFR 30.12 – Persons using byproduct material under certain Department of Energy and Nuclear Regulatory Commission contracts 2022 10 CFR 30.12 – Persons using byproduct material under certain Department of Energy and Nuclear Regulatory Commission contracts 2021 10 CFR 30.12 – Persons using byproduct material under certain Department of Energy and Nuclear Regulatory Commission contracts 2020 10 CFR 30.12 – Persons using byproduct material under certain Department of Energy and Nuclear Regulatory Commission contracts 2019 10 CFR 30.12 – Persons using byproduct material under certain Department of Energy and Nuclear Regulatory Commission contracts 2016 10 CFR 30.12 – Persons using byproduct material under certain Department of Energy and Nuclear Regulatory Commission contracts 2015 10 CFR 30.12 – Persons using byproduct material under certain Department of Energy and Nuclear Regulatory Commission contracts 2014 10 CFR 30.12 – Persons using byproduct material under certain Department of Energy and Nuclear Regulatory Commission contracts