Research and analysis

Methodology for the scientific derivation of environmental assessment levels

Updates the Environment Agency’s method for the scientific derivation of environmental assessment levels for air.

• From: Environment Agency
• Published: 21 March 2025

Applies to England

Documents

Methodology for the scientific derivation of environmental assessment levels: summary

HTML

Methodology for the scientific derivation of environmental assessment levels: report

PDF, 625 KB, 38 pages

Details

This project updates the Environment Agency’s method for the scientific derivation of environmental assessment levels for air (EALs).

It provides clarifications from the experience gained following the publication of new and revised EALs in recent years and illustrates its application with worked examples

Published 21 March 2025