| Acronym | Meaning |
 | ROC | Regional Observational Cooperative |
| IUPAB | International Union Of Pure And Applied Biophysics |
| OPPE | Office Of Policy |
| ACBM | Asbestos-containing Building Material |
| AMBIENS | Atmospheric Mass Balance Of Industrially Emitted & Natural Sulfur |
| EPI | Electronic Position Indicator |
| EH | Assistant Secretary For Environment |
| MODIS | Moderate Resolution Imaging Spectroradiometer |
| MAGSAT | Magnetic Field Satellite |
| DCA | Data Collection Assignment |
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