* Aircraft: ALK4 C2H6 C3H8 PRPE 
* Anthro: ACET ALD2 ALK4 BCPI BCPO BENZ C2H6 C3H8 CH2O CO EOH HAC HCOOH HNO2 ISOP MACR MEK MOH MVK NH3 NO2 NO OCPI OCPO pFe PRPE RCHO SO2 SO4 SOAP TOLU XYLE 
* BioBurn: ACET ALD2 ALK4 BCPI BCPO BENZ C2H6 C3H8 CH2O CO EOH MEK MOH MTPA NH3 NO OCPI OCPO PRPE SO2 SOAP TOLU XYLE 
* Biogenic: ACET ALD2 EOH ISOP LIMO MOH MTPA MTPO PRPE SOAP SOAS 
* Lightning: NO 
* Natural: BrSALA BrSALC DST1 DST2 DST3 DST4 NH3 SALA SALAAL SALACL SALC SALCAL SALCCL 
* Ocean: ACET ALD2 CH2Br2 CHBr3 DMS ETNO3 MENO3 MOH 
* PlantDecay: ALD2 EOH 
* Seabirds: 
* Ship: ALK4 BCPI BCPO BENZ C2H6 C3H8 CO HNO3 NH3 NO2 NO O3 OCPI OCPO pFe PRPE SO2 SO4 SOAP TOLU XYLE 
* Soil: NO 
* Total: ACET ALD2 ALK4 BCPI BCPO BENZ C2H6 C3H8 CH2O CO DST1 EOH GLYC HAC HCOOH ISOP MEK MOH MTPA NH3 NO OCPI OCPO pFe PRPE SO2 SO4 SOAP TOLU XYLE 
* VolcDegas: 
* VolcErupt: SO2