| 1999 15/6 - 2/7  | 
 2000 18/1 - 16/2  | 
 Species | 
|---|---|---|
| pritch-leeds_hc-1_990615.na | pritch-leeds_hc-1_000118.na | Ethane Propane 2-methylpropane (Isobutane) Butane Ethene Propene 1-butene Trans-2-butene Ethyne (Acetylene)  | 
    
| pritch-leeds_hc-2_990615.na | pritch-leeds_hc-2_000118.na | 2-methylbutane (Isopentane) Pentane 2-methylpropene (Isobutene) Cis-2-butene Trans-2-pentene Cis-2-pentene 1,3-butadiene  | 
    
| pritch-leeds_hc-3_990615.na | pritch-leeds_hc-3_000118.na | 2-methylpentane 3-methylpentane Hexane Heptane 2-methyl-1,3-butadiene (Isoprene) Benzene Methylbenzene (Toluene)  | 
    
 
 | Go to URGENT Air Data General Inventory. |