| Acronym | Meaning |
| CAEAL | Canadian Association For Environmental Analytical Laboratories |
| DLM | Diffuse Layer Model (of Adsorption) |
| TROLL | Transmitter And Receiver Of Laser Light |
| ILSI | International Life Sciences Institute |
| PV-RR | Perturbational-variational-Rayleigh-Ritz (matrix Method In Mol. Calcns.) |
| CAPA | Critical Aquifer Protection Area |
| STOAT | Sewage Treatment Operation And Analysis Over Time [model] |
| AMO | Alternant Molecular Orbital |
| ACD | Allergic Contact Dermatitis |
| PNGV | Partnership For A New Generation Of Vehicles |