| Acronym | Meaning |
| SERDS | Shifted Excitation Raman Difference Spectroscopy |
| FRED | Flexible Regional Emissions Data System |
| SIMPEDS | Safety In Mines Personal Dust Sampler |
| CAE | Computer-aided Engineering |
| B2B | Boundary(-corrected) Second Born (for Scattering) |
| SWICH | Solid Waste Information Clearinghouse And Hotline |
| MAMU | Mobile (ambient) Air Monitoring Unit (Canada) |
| RTDM | Rough Terrain Dispersion Model (air Quality) |
| SRS | Symmetrized Rayleigh-Schroedinger (perturbation Theory) |
| CCC | Counter Current Chromatography |