Ammonia emission factors for permitted pig and poultry operations in the UK

"Agriculture produces 88% of the UK's ammonia emissions, which are predominantly released during: the storage and spreading of manures and slurries, and; from the application of inorganic fertilisers. Ammonia is also emitted from the housing of animals. Ammonia damages sensitive natural habitats and contributes to particulate pollution in urban areas. The four UK environment agencies use standard pig and poultry ammonia emission factors for permitting assessments and to inform annual emissions reporting by operator...