| Acronym | Meaning |
| WLM | Working Level Month (for Radiation Exposure) |
| EAP | Emission Assessment Program |
| ESSP | Eddy Statistics Scientific Panel |
| PF | Protective Factor |
| CCC | Calibration Check Compounds |
| ZID | Zone Of Initial Dilution |
| CHF | Congestive Heart Failure |
| FTP | US Federal Test Procedure (for Exhaust Catalysts) |
| DCBA | Drift Chamber Beta-ray Analyzer |
| NRO | Natural Reaction Orbital |