| Acronym | Meaning |
| RASA | Regional Aquifer Systems Analysis (program Of USGS) |
| ULPA | Ultra Low Penetration Air |
| BSE | Bovine Spongiform Encephalopathy |
| DDSC | Dynamic Differential Scanning Calorimetry |
| PT | Perturbation Theory |
| AAM | Automated Auger Microprobe |
| HMPT | Hexamethylphosphoric Triamide |
| USRA | Universities Space Research Association |
| NACEPT | National Advisory Council For Environmental Policy And Technology |
| ICCA | International Council Of Chemical Associations |