| Acronym | Meaning |
| SCRAM | EPA Support Center For Regulatory Air Models |
| VCI | Variational Configuration Interaction (quantum Calcn. Method) |
| AESOP | Automated Electronic System For Ocean Pollution |
| POSS | Polyhedral Oligomeric Silsesquioxane |
| PEN | Polyethylene Naphthalate |
| DPF | Diesel Particulate Filter |
| CCFL | Countercurrent Flow Limitation |
| CWTI | Chemical Waste Transportation Institute |
| ACAID | Anterior Chamber Associated Immune Deviation |
| ARMI | Analytical Reference Materials International |