Until recently, odor nuisance was assessed using a complicated system. An odor sample was taken to a laboratory, where a group of people with a ‘certified nose’ (a so-called odor panel) assessed how annoying the odor was.

But that is a slow and unreliable method, the Standards Committee for Odor Measurements found. He determined that this was no longer allowed. That is why the province is switching to a new approach. Whether you have a beer brewery or a dredging company, there are now clear rules that you must comply with.

New noses

Instead of laboratory tests, the province uses a list of standard values. For example, account is taken of the fact that a bakery is often experienced as pleasant, while a compost heap is less popular. This new method makes it easier for Environmental Services to include odor nuisance in permits and inspections.

With the new rules, the province can better ensure a healthy living environment. Companies that cause nuisance can be dealt with more quickly. Jeroen Olthof, deputy for the Environment and Healthy Living Environment, says: “With this adjustment we ensure that odor nuisance continues to be taken into account when granting permits and enforcement. That is good for everyone in North Holland.”

The current adjustment is probably temporary. A new national odor policy is expected in 2025.

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