| Acronym | Meaning |
| CPCPI | Chemical Protective Clothing Performance Index |
| LEMAO | Least Energy Minimal Atomic Orbital |
| BZR | Benzodiazepine Receptor |
| XRS | X-Ray Spectroscopy |
| SARM | Synthetic Analytical Reference Matrix (US EPA) |
| LBE | Lance Bubbling Equil. |
| ISM | Interaction Site Model (in Statistical Mechanics Of Fluids) |
| RAL | Recommended Allowable Limit |
| GLAD | Great Lakes Atmospheric Deposition |
| PT-MVD | Perturbation Theory (with) Mass-velocity And Darwin (operators) |