The Air Pollutant Emission Factor Library is a collection of information from various sources such as international organizations' guidebooks, databases, national reports, studies, research and data from the literature. You are free to use the information and also invited to enrich the contents with new data. To do that, kindly send an email to the database maintenance team at the Finnish Environment Institute.
For further information send e-mail to
Santtu.Mattila@ymparisto.fi