| output | 
      Em022-PT | 
      Extraction of natural gas and services related to natural gas extraction, excluding surveying in PT | 
      1.00 | 
      t | 
      0.350 | 
      0.350 | 
    
    
      | emission | 
      Air - Carbon dioxide, fossil | 
       | 
      0.162 | 
      t | 
      0.162 | 
      0.162 | 
    
    
      | emission | 
      Air - Dinitrogen monoxide | 
       | 
      2.861e-06 | 
      t | 
      7.583e-04 | 
      7.583e-04 | 
    
    
      | emission | 
      Air - Methane, biogenic | 
       | 
      2.209e-05 | 
      t | 
      6.129e-04 | 
      6.129e-04 | 
    
    
      | emission | 
      Air - Methane, fossil | 
       | 
      0.00608 | 
      t | 
      0.186 | 
      0.186 | 
    
    
      | emission | 
      Air - PFC as CO2-eq | 
       | 
      2.049e-04 | 
      t | 
      2.049e-04 | 
      2.049e-04 | 
    
    
      | emission | 
      Air - Sulfur hexafluoride | 
       | 
      1.003e-08 | 
      t | 
      2.287e-04 | 
      2.287e-04 | 
    
    
      | emission | 
      Air - Carbon dioxide, accelerated | 
       | 
      0.115 | 
      t | 
      8.881e-04 | 
      8.881e-04 |