| Acronym | Meaning |
| EMIRA | Epidemiological And Microbial Risk Assessment |
| RAA | Rigid-atom Approxn. (in Electronic Structure Calcns.) |
| SCAP | Self-consistent Average Phonon (theory) |
| CBM | Conduction Band Minimum |
| BDH | British Drug House |
| AWRA | American Water Resources Association |
| CALUX | Chemical-activated Luciferase Expression |
| PTAW | Plasma Transfer Arc Weld |
| HBL | Health Based Level |
| CFR | Code Of Federal Regulations |