| Acronym | Meaning |
| MLVA | Multiple-locus Variable-number Tandem Repeat Analysispar |
| TPN | Total Parenteral Nutrition |
| IRRAS | Integrated Reliability And Risk Analysis System |
| NTGS | Air/Superfund National Technical Guidance Study |
| PAM | Periodic Anderson Model |
| QTPT | Quantum Thermodynamic Perturbation Theory |
| WANO | World Association Of Nuclear Operators |
| ACD | Allergic Contact Dermatitis |
| TAT | Technical Assistance Team |
| PIRI | Photoinduced Rydberg Ionization |