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.
The methods in this document are international standards recommended by regulation.
Updated the entry for 'Perfluoroalkyl and polyfluoroalkyl substances (PFAS)' in line with BS ISO 21675.
A standard for polyfluoroalkyl substances (PFAS) has been added in place of the standard for Perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA)
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- Environment Agency — imported from official source
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- https://www.gov.uk/government/organisations/environment-agency.atom ATOM
- Imported
- September 18, 2026 11:34
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https://www.gov.uk/government/publications/monitoring-discharges-to-water-cen-and-iso-m...