1. Chemicals used for treatment of water intended for human consumption. Aluminium chloride, aluminium chloride hydroxide and aluminium chloride hydroxide sulfate (monomeric). (15th October 1997) 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) ↗
2. Chemicals used for treatment of water intended for human consumption. Polyaluminium chloride hydroxide and polyaluminium chloride hydroxide sulfate. (15th October 1997) 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) ↗
3. Chemicals used for treatment of water intended for human consumption. Sodium aluminate. (15th October 1997) 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) ↗
4. Chemicals used for treatment of water intended for human consumption. Sulfuric acid. (15th June 1997) 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) ↗
5. Specification for safety of household and similar electrical appliances. Particular requirements. Humidifiers intended for use with heating, ventilation, or air-conditioning systems Part 2-88, (15th December 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗