| Acronym | Meaning |
| NASN | National Air Sampling Network |
| EMUS | Electromagnetic Ultrasonic Testing |
| CEMAS | Complete Element Matrix Analysis From Scattering |
| PSEM | Point Source Exposure Model |
| LASER | Light Amplification By Stimulated Emission Of Radiation |
| MC | Metal Carbide |
| SSC | Superconducting Super Collider |
| DBTS | Ductile-to-brittle Transition Strain |
| SETS | Superfund Enforcement Tracking System |
| GCEMC | Grand Canonical Ensemble Monte Carlo |