Guidance

Monitoring discharges to water: CEN and ISO monitoring methods

Formerly part of M18, index of CEN and ISO monitoring methods for monitoring discharges to water.

From:
Environment Agency
Published
11 June 2020
Last updated
18 January 2023 鈥� See all updates

Applies to England

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Monitoring discharges to water: CEN and ISO monitoring methods

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皇冠体育app methods in this document are international standards recommended by regulation.

Updates to this page

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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