M4 guidelines for ash sampling and analysis
Guidance on sampling strategies.
Applies to England
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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.
Updates to this page
Published 7 April 2014Last updated 6 July 2016 + show all updates
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Updated guidelines for ash sampling and analysis June 2016
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First published.