Requirements defined for SO2 (5)
		This tables shows all related requirements. For more
		operations/filtering, please consult the full list of
		Requirements		
 Note: In reading the values, goal is marked blue,
			breakthrough green, threshold orange 
Application-dependent Technical Priority (ATP) Magenta and Relative priority of the attributes Red
		
	
| Id | Variable | Layer | App Area | ATP | Uncertainty | Layer/s Quality | Coverage Quality | Stability / decade | Hor Res | Ver Res | Obs Cyc | Timeliness | Coverage | Conf Level | Val Date | Source | General Comment | Application Area Comment | Horizontal Coverage Comment | Observation Comment | Performance Comment | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 189 | SO2 | UTLS FT PBL  | 
				Atmospheric Chemistry (deprecated) | 10 ppt 13 ppt 20 ppt  | 
				100 km 200 km 500 km  | 
				1 m 1.4 m 3 m  | 
				12 h 24 h 3 d  | 
				24 h 46 h 7 d  | 
				Global | firm | 2002-05-24 | GAW Report No. 159 | Volcanic eruptions | ||||||||
| 736 | SO2 | PBL | 2.8 Aeronautical Meteorology | Global | firm | 2013-12-05 | J van der Meulen | ||||||||||||||
| 928 | SO2 | UTLS FT PBL  | 
				Forecasting Atmospheric Composition | Global | firm | 2022-01-26 | GAW Expert Team on Atmospheric Composition Network Design and Evolution | ||||||||||||||
| 929 | SO2 | UTLS FT PBL  | 
				2.6 Atmospheric Composition Forecasting and Monitoring | Global | firm | 2022-01-26 | GAW Expert Team on Atmospheric Composition Network Design and Evolution | ||||||||||||||
| 930 | SO2 | UTLS FT PBL  | 
				2.7 Atmospheric Composition Information Services in Urban and Populated Areas | Local | firm | 2022-01-26 | GAW Expert Team on Atmospheric Composition Network Design and Evolution | 
