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.

• From: Environment Agency
• Published: 7 April 2014
• Last updated: 25 September 2017 — See all updates

This publication was withdrawn on 11 June 2020

This document has been withdrawn and replaced with 4 new, updated guidance documents which you can find in the document collection Monitoring discharges to water: environmental permits.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

Ref: LIT 6898

PDF, 759 KB, 56 pages

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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. 25 September 2017

   Update and reorganisation of method index and rewrite of section 5.5 to clarify sample storage temperature requirements.

2. 7 April 2014

   First published.