| Subject | English | French |
| UN | Baseline Atmospheric Pollution Monitoring Network | Réseau de stations de surveillance de la pollution atmosphérique de fond |
| environ. | baseline monitoring Monitoring of long-term changes in atmospheric compositions of particular significance to the weather and the climate | station de référence de surveillance |
| environ. | baseline monitoring | surveillance de la ligne de base |
| nat.res. | baseline station for monitoring significant constituents of the atmosphere | station de base pour la surveillance d'importants composants de l'atmosphère (background pollution) |