WHO	World Health Organization
UNECE	United Nations Economic Commission for Europe
EPA	Environmental Protection Agency
ROW	Rest of the World
HAP	Hazardous air pollutant
CRF	Concentration-response function
EMEP	European Monitoring and Evaluation Programme
EEA	European Environment Agency
VOC	volatile organic compounds
NMVOC	Non-methane volatile organic compounds
AGR	Agriculture
DOM	Domestic and commercial combustion
ENE	Energy and heat production
IND	Industry and construction
SLV	Use of solvents
TRA	Road transport
NOx	NO and NO2 measured together
RR	Relative risk (of premature death)
PAF	Population attributable fraction
Hi	Health hazard from i-th source
cik	Contribution of the k-th pollutant from source i in total immission of k-th pollutant
ξk	Health hazard from k-th pollutant
C	Average concentration of a pollutant
C0	Counterfactual concentration of a pollutant