21. Tracked Changes. Water quality. Sampling. Guidance on the design of sampling programmes and sampling techniques Part 1, (17th April 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (106 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
22. Tracked Changes. Water quality. Sampling. Guidance on the design of sampling programmes and sampling techniques Part 1, (29th September 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (114 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
23. Water quality. Biological methods. Fresh water algal growth inhibition test with Scenedesmus subspicatus and Selenastrum capricornutum. (31st August 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
24. Water quality. Detection of Salmonella spp. (31st July 2013) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
25. Water quality. Determination of biochemical oxygen demand after n days (BODn). Dilution and seeding method with allylthiourea addition Part 1, (7th October 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
26. Water quality. Determination of cadmium by atomic absorption spectrometry. (15th September 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
27. Water quality. Determination of permanganate index. (15th May 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
28. Water quality. Glossary. An additional 19 terms Part 1-1.4, (31st January 1986) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (4 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
29. Water quality. Glossary. An additional 41 terms Part 1.6, (15th July 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
30. Water quality. Glossary. An additional 42 terms Part 1-1.6, (23rd December 1987) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (6 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗