1. BS ISO 21322. Microbiology. Microbiological testing of impregnated or coated products. Wipes and masks. (23rd November 2018) 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) ↗
2. Cosmetics. Microbiology. Testing of impregnated or coated wipes and masks. (22nd June 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. BS EN ISO 21149:2017 AMD1. Cosmetics. Microbiology. Enumeration and detection of aerobic mesophilic bacteria. (1st December 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (9 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Cosmetics. Microbiology. Testing of impregnated or coated wipes and masks. (7th January 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Pulp, paper and board. Microbiological examination. Enumeration of yeast and mould based on disintegration Part 3, (23rd May 2022) 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) ↗
6. Cosmetics. Microbiology. Enumeration and detection of aerobic mesophilic bacteria. (5th October 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗