Change of https://www.gov.uk/government/publications/monitoring-stack-emissions-techniques-and-standards-for-periodic-monitoring

Change description : 2025-05-12 15:35:00: Updates to the monitoring standards for carbon disulfide, carbonyl sulfide, formaldehyde, mercury and metals. Added monitoring methods for per and polyfluorinated alkyl substances and volatile fluorinated compounds. [Guidance and regulation]

Showing diff : 2022-11-17 14:09:21.646545663 +00:00..2025-05-12 14:35:57.550305103 +00:00

Guidance

Monitoring stack emissions: techniques and standards for periodic monitoring

This index will help you choose an appropriate periodic monitoring technique and standard for monitoring stack emissions to air (formerly part of M2).

From:
Environment Agency
Published
18 December 2019
Last updated
1712 NovemberMay 20222025 — See all updates

Documents

Monitoring stack emissions: techniques and standards for periodic monitoring

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Details

We have structured this index to help you choose an appropriate periodic monitoring technique and standard. It was formerly part of the M2 guidance document.

Standards may contain various options and approaches.

We have produced method implementation documents (MIDs) for several standards to make sure they are applied consistently.

If a MID has been produced we have included it in the index, next to the relevant standard.

Substances are listed in alphabetical order.

Updates to this page

Published 18 December 2019
Last updated 1712 NovemberMay 2022 + show2025 href="#full-history">+ show all updates

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Update history

2026-07-02 14:18
Added method for brominated flame retardants.Clarified use of alternative analyser techniques within standard reference methods.Removed guidance on determining hexavalent chromium in fine particulate matter.Deleted use of mass spectrometry for halogens and halides.Added lithium to scope of metals that can be measured using EN 14385.

2025-05-12 15:35
Updates to the monitoring standards for carbon disulfide, carbonyl sulfide, formaldehyde, mercury and metals. Added monitoring methods for per and polyfluorinated alkyl substances and volatile fluorinated compounds.

2022-11-17 14:09
Updated the monitoring standards for bioaerosols, carbon dioxide, hydrogen fluoride and nitric acid vapour to remove out of date standards.