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Water Microbiology (QWAS)

Who is this scheme designed for?

The AXIO Quality in Water Analysis Scheme (QWAS) has been specifically developed for the microbiological analysis of waters and effluent sludge.

The industry challenges

Microorganisms occur in water naturally and the majority are relatively harmless; however, contamination of water from faecal sources can lead to large outbreaks of disease.

In many countries, water microbiology is the subject of legislation. Regulations specify how often water sources are sampled, how sampling is done, how analysis will be performed, for which microorganisms to test, and the acceptable limits for the target microorganisms.

AXIOs solution for our partners

For laboratories responsible for the analysis of waters, participation in a relevant LGC AXIO Proficiency Testing scheme can provide confidence that results of these analyses and the equipment used to produce those results are meaningful and accurate which, in turn, helps to ensure water safety.

LGC AXIO – Driving Quality Together.

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{{ "Please see individual products for specific accreditation status" | truncate(70) }} See our accreditations

ISO/IEC 17043
ISO 9001

Scheme Information


Despatch Date

Reporting Deadline


08 February 2021

08 March 2021


15 March 2021

12 April 2021


12 April 2021

10 May 2021


17 May 2021

14 June 2021


07 June 2021

05 July 2021


12 July 2021

09 August 2021


13 September 2021

11 October 2021


11 October 2021

08 November 2021


08 November 2021

06 December 2021


13 December 2021

17 January 2022

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