1. Water quality. Radium 226 and Radium 228. Test method using liquid scintillation counting. (14th February 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Water quality. Radium-226. Test method using emanometry Part 2, (29th November 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗