THRESHOLD FOR RELEASES
	to air kg/year	to water kg/year	to land kg/year
Ammonia (NH3)	10 000	-	-
Carbon monoxide (CO)	500 000	-	-
Chlorine and inorganic compounds (as HCl)	10 000	-	-
Chlorofluorocarbons (CFCs)	1	-	-
Flourine and inorganic compounds (as HF)	5 000	-	-
Halons	1	-	-
Hydrochlorofluorocarbons (HCFCs)	1	-	-
Hydrogen Cyanide (HCN)	200	-	-
Nitrogen oxides (NOx/NO2)	100 000	-	-
Non-methane volatile organic compounds (NMVOC)	100 000	-	-
Sulphur oxides (SOx/SO2)	150 000	-	-