| Acronym | Meaning |
| RDA | Recommended Daily Allowance |
| CEDIA | Cloned-enzyme Donor Immunoassay |
| FACTS | Facilities And Company Tracking System |
| PHC | Primary Hepatocellular Carcinoma |
| EST | External Standardization Technique |
| SURE | Sulfate Regional Experiment |
| PCA | Preliminary Consequence Analysis |
| VAMO | Variational Alternant Molecular Orbital |
| PCD | Photoconductive Decay |
| UNAMAP | Users' Network For Applied Modeling Of Air Pollution |