Part of Oral Answers to Questions — Environment, Food and Rural Affairs – in the House of Commons at 10:30 am on 10 December 2009.
Mushroom compost-making plants such as that in my hon. Friend's constituency require a permit under the Environmental Permitting Regulations 2007 and local authorities are responsible for enforcing compliance. DEFRA also issues statutory guidance on best available techniques in order to minimise air emissions, including odour.