* Aircraft: 
* Anthro: ALD2 ALK4 BCPI BCPO BENZ C2H6 C3H8 CH2O CO EOH HAC MEK NH3 NO OCPI OCPO pFe PRPE SO2 SO4 SOAP TOLU XYLE 
* BioBurn: 
* Biogenic: ACET ALD2 EOH ISOP LIMO PRPE SOAP SOAS 
* Lightning: 
* Natural: NH3 
* Ocean: ACET ALD2 CH2I2 CH2IBr CH2ICl CH3I DMS 
* PlantDecay: 
* Seabirds: NH3 
* Ship: CO HNO3 NO2 NO O3 SO2 SOAP 
* Soil: 
* Total: ACET ALD2 ALK4 BCPI BCPO BENZ C2H6 C3H8 CH2O CO EOH GLYX ISOP MEK MGLY MTPA NH3 NO OCPI OCPO pFe PRPE SO2 SO4 SOAP TOLU XYLE 
* VolcDegas: SO2 
* VolcErupt: