DIN 25425-4 Bb.1:2012 Radioisotope laboratories - Part 4: Rules for the protection of persons; Guidance notes on preparing a radiation protection directive for handling radioaktive sources in radioisotope laboratories
2023DIN 25425-4 Beiblatt 2:2023-12 Radionuclide Laboratories - Part 4: Rules for the protection of persons; Supplement 2: Guidance notes on shielding of gamma- and beta-radiation
2023DIN 25425-4 Beiblatt 2:2023-01 Radionuclide Laboratories - Part 4: Rules for the protection of persons; Supplement 2: Guidance notes on shielding of gamma- and beta-radiation / Note: Date of issue 2022-11-25*Intended as replacement for DIN 25425-4 Beiblatt 2 (2013-02).
2019DIN 25425-4:2019-12 Radioisotope laboratories - Part 4: Rules for the protection of persons
2013DIN 25425-4 Beiblatt 2:2013-02 Radioisotope laboratories - Part 4: Rules for the protection of persons; Guidance notes on shielding of gamma- and beta-radiation / Note: To be replaced by DIN 25425-4 Beiblatt 2 (2023-01).
2013DIN 25425-4 Bb.1:2013 Radioisotope laboratories - Part 4: Rules for the protection of persons; Supplement 1: Guidance notes on preparing a radiation protection directive for handling radioaktive sources in radioisotope laboratories
2012DIN 25425-4 Bb.1:2012 Radioisotope laboratories - Part 4: Rules for the protection of persons; Guidance notes on preparing a radiation protection directive for handling radioaktive sources in radioisotope laboratories
1999DIN 25425-2 Bb.2:1999 Radioisotope laboratories - Part 2: Internal radiation protection rules; examples for application and comments