| 
 | 
 | Valid from
 | Valid to
 | 
        
          
            | 93450 | tonne of substance 90% dry | 01.02.2002 | 09.09.9999 | 
        
          
            | 93449 | kilogram of sulphur dioxide | 01.02.2002 | 09.09.9999 | 
        
          
            | 93448 | kilogram of sodium carbonate | 01.02.2002 | 09.09.9999 | 
        
          
            | 93447 | kilogram of hydrogen fluoride | 01.02.2002 | 09.09.9999 | 
        
          
            | 93446 | kilogram of hydrogen chloride | 01.02.2002 | 09.09.9999 | 
        
          
            | 93445 | kilogram of sulfuric acid | 01.02.2002 | 09.09.9999 | 
        
          
            | 93444 | kilogram of fluorine | 01.02.2002 | 09.09.9999 | 
        
          
            | 93440 | annual work unit (AWU) | 01.02.2002 | 09.09.9999 | 
        
          
            | 93438 | percentage point | 01.02.2002 | 09.09.9999 | 
        
          
            | 93437 | carrying capacity in tonnes | 01.02.2002 | 09.09.9999 |