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Guidance: Monitoring discharges to water: CEN and ISO monitoring methods

Environment Agency

January 18
14:04 2023

Details

The methods in this document are international standards recommended by regulation.

Published 11 June 2020
Last updated 18 January 2023 +show all updates
  1. New standards added for biochemical oxygen demand (BOD), cyanide, nitrogen (total), total organic carbon, organochlorine pesticides, polycyclic aromatic hydrocarbons, short-chain polychlorinated alkanes, and volatile organic carbons. Those for BOD and nitrogen (total) supersede previous versions.

  2. First published.

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