661. Woodworking machines. Specification for double edging precision circular sawing machines Part 19, (31st October 1989) 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) ↗
662. Workplace air. Gases and vapours. Requirements for evaluation of measuring procedures using pumped samplers. (2nd December 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (46 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
663. Workplace atmospheres. General requirements for the performance of procedures for the measurement of chemical agents. (15th December 1994) 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) ↗
664. Workplace exposure. Procedures for the determination of the concentration of chemical agents. Basic performance requirements. (24th March 2021) 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) ↗