Chapter 7 - NFR 6 - Other Sources & NFR 11 - Natural Sources

Category Code	Name of category	Method	AD	EF	Key Category
6	Other Sources	see sub-categories
consisting of / including source categories
6.A.1	Ammonia emissions from human sweating and breathing	T1	NS	D
6.A.2	Ammonia emissions from pets	T1	NS	D

11	Natural Sources	see sub-categories
consisting of / including source categories
11.A	Volcanoes	not occurring in Germany
11.B	Forest Fires	CS, T2	CS	D	not included in key category analysis
11.C	Other Natural Sources	see sub-categories