| Acronym | Meaning |
| BIXE | Bombardment-induced X-ray Emission |
| MBPV | Mixed-basis Potential Variation (for Electronic-structure Calcn.) |
| CEEL | Community Emergency Exposure Level |
| PSOM | Pseudostate Optical Model |
| ACQM | Arrangement-channel Quantum Mechanics |
| CEPA | Correlated Electron Pair Approxn. |
| MPA | Multipurpose Additive |
| STLC | Soluble Threshold Limit Concentration |
| SAROAD | Storage And Retrieval Of Aerometric Data |
| PTEAM | Particle Total Exposure Assessment Methodology |