| # | Reference | Title | Withdrawal Date | Replaced by |
|---|---|---|---|---|
| 1 | NBN ISO 11665-4:2020 | Measurement of radioactivity in the environment ? Air: radon-222 ? Part 4: Integrated measurement method for determining average activity concentration using passive sampling and delayed analysis | 2021-09-22 | NBN ISO 11665-4:2021 |