Educational guide — for the service itself, see the linked service page below.
A comprehensive guide to the tools, training requirements and technologies used in professional odour assessments — from olfactometry and sniff testing to e-noses and dispersion modelling.
Full content for this guide is coming soon. Contact us for more information about this topic.
The Environment Agency's H4 odour guidance was replaced in December 2025 by a new online odour management hub. Here's what's changed for IAQM odour assessments in 2026 — including FIDOL, dispersion modelling, complaints risk and odour management plans.
Unpleasant odours can cause complaints, disrupt communities, and lead to regulatory action. For industries that produce emissions or waste, an Odour Impact Assessment is essential.
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