Fume cupboard plumbing. We are about to install a fumehood and the question has come up about its plumbing. Can it be plumbed into the normal waste water / sewer lines or is something else needed?

Fume cupboard plumbing. We are about to install a fumehood and the question has come up about its plumbing. Can it be plumbed into the normal waste water / sewer lines or is something else needed?