M4 guidelines for ash sampling and analysis

Guidance on sampling strategies.

Applies to England


TGN M4 - Guidelines for ash sampling and analysis

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This technical guidance note provides guidance to Environment Agency staff, monitoring contractors, industry and other interested parties on design sampling strategies for taking representative samples of residues from industrial processes.

Published 7 April 2014
Last updated 6 July 2016 + show all updates
  1. Updated guidelines for ash sampling and analysis June 2016

  2. First published.