| output | 
      Em022-CN | 
      Extraction of natural gas and services related to natural gas extraction, excluding surveying in CN | 
      1.00 | 
      t | 
      0.282 | 
      0.282 | 
    
    
      | emission | 
      Air - Carbon dioxide, fossil | 
       | 
      0.120 | 
      t | 
      0.120 | 
      0.120 | 
    
    
      | emission | 
      Air - Dinitrogen monoxide | 
       | 
      4.846e-06 | 
      t | 
      0.00128 | 
      0.00128 | 
    
    
      | emission | 
      Air - Methane, biogenic | 
       | 
      3.242e-05 | 
      t | 
      8.996e-04 | 
      8.996e-04 | 
    
    
      | emission | 
      Air - Methane, fossil | 
       | 
      0.00512 | 
      t | 
      0.156 | 
      0.156 | 
    
    
      | emission | 
      Air - PFC as CO2-eq | 
       | 
      2.348e-04 | 
      t | 
      2.348e-04 | 
      2.348e-04 | 
    
    
      | emission | 
      Air - Sulfur hexafluoride | 
       | 
      7.066e-08 | 
      t | 
      0.00161 | 
      0.00161 | 
    
    
      | emission | 
      Air - Carbon dioxide, accelerated | 
       | 
      0.153 | 
      t | 
      0.00118 | 
      0.00118 |