This guidance explains what you must do when continuous emissions monitoring systems (CEMS) or peripheral measurements are not available.

Applies to England

Documents

Monitoring stack gas emissions: use of standby and surrogate monitoring at waste incinerators and co-incinerators

Details

This guidance is for operators of waste incinerators and co-incinerators. It explains what you must do if either of the following fail:

your continuous emissions monitoring systems (CEMS) that measure particulate matter, carbon monoxide or total organic carbon

a peripheral measurement needed to express results at the same reference conditions as the emission limit values (ELVs)

Updates to this page

13 November 2026 Guidance fully reviewed and updated. Removed the use of transportable CEMS and manual methods for alternative monitoring when CEMS fail.

Guidance fully reviewed and updated. Removed the use of transportable CEMS and manual methods for alternative monitoring when CEMS fail.

21 September 2021 First published.

Sign up for emails or print this page