| Subject | English | Arabic |
| environ. | emission source A chemical process, building, furnace, plant or other entity responsible for the discharge of pollutants or contaminants into the environment | مصدر انبعاثات |
| UN, clim. | emission source sampling | اخذ عينات من مصدر الانبعاثات |
| UN, clim. | point emission source | مصدر ثابت |