Guidance

M18 monitoring discharges to water and sewer

Guide to operator self-monitoring (OSM) for discharges to the water environment and how to select analytical methods used for regulatory purposes.

This publication was withdrawn on

This document has been withdrawn and replaced with 4 new, updated guidance documents which you can find in the document collection Monitoring discharges to water: environmental permits.

Applies to England and Wales

Documents

TGN M18 - Monitoring of discharges to water and sewer

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Details

This technical guidance note provides guidance for Environment Agency staff, monitoring contractors, industry and other parties interested in the monitoring of discharges to water.

Published 7 April 2014
Last updated 25 September 2017 + show all updates
  1. Update and reorganisation of method index and rewrite of section 5.5 to clarify sample storage temperature requirements.

  2. First published.