Water microbiology scheme (QWAS)
- UKAS accredited proficiency testing scheme
- Microbiology of waters
- Waters include - bathing, environmental, mineral, potable, process, recreational, surface, sea, wastewater and effluent sludge
- Identification of single unknown organism
- Paper exercise - colony count and calculation of number of microorganisms
- 10 distributions per annum
- Scheme operates January to December
Round dates
Round | Despatch date | Reporting deadline |
| WT250 | 13 Feb 2017 | 10 Mar 2017 |
| WT251 | 13 Mar 2017 | 07 Apr 2017 |
| WT252 | 10 Apr 2017 | 05 May 2017 |
| WT253 | 15 May 2017 | 09 Jun 2017 |
| WT254 | 19 Jun 2017 | 14 Jul 2017 |
| WT255 | 24 Jul 2017 | 18 Aug 2017 |
| WT257 | 18 Sep 2017 | 13 Oct 2017 |
| WT258 | 16 Oct 2017 | 10 Nov 2017 |
| WT259 | 13 Nov 2017 | 08 Dec 2017 |
| WT260 | 11 Dec 2017 | 12 Jan 2018 |
Portal
PT online reporting
Order PT now
PT certification & accreditation
Catalogues
