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| air monitoring; air pollution control APC (Umweltschutz); air pollution control | |||
| air quality management; air quality management Regulate and plan and work toward the accomplishment of completion of stated goals, objectives and mission pertaining to air quality | |||
| air protection | |||
| Luftreinhaltung: 3 phrases in 2 subjects |
| Environment | 2 |
| General | 1 |