Guidance

MCERTS: performance standard for organisations undertaking sampling and chemical testing of water

Sampling and chemical testing of untreated sewage, treated sewage effluents and trade effluents.

From:
Environment Agency
Published
7 April 2014
Last updated
31 July 2025 鈥� See all updates

Applies to England

Documents

Ref: LIT 3997

PDF, 683 KB, 51 pages

ODT, 229 KB

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Details

The Environment Agency set up its Monitoring Certification Scheme (MCERTS) to provide a framework of standards you can use to monitor things that affect the environment.

Updates to this page

Published 7 April 2014
Last updated 31 July 2025 show all updates

  1. Added statement about infrequent calibration events (6.4.10). Added information about assigning acceptable limits for surrogate recovery (7.2.2.1). Stated that certified reference materials are the best option and added statement about chlorine analysis (7.2.2.3). Added statement about preparation of synthetic matrices (7.7.1.1). Updated information on control charts (7.7.1.2). Added urons/carbamates (Annex A). Added statement about consent values and critical levels of interest (C1.5).

  2. We have revised the format of this document using a new template. It is available in PDF and OpenDocument format.

  3. Document reformatted and reordered to comply with changes to ISO 17025.

  4. First published.

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