| Acronym | Meaning |
| ACTS | Asbestos Contractor Tracking System |
| SI | Surface Ionization |
| LIGO | Laser-interferometer Gravitational-wave Observatory |
| CFM | Contamination-free Manufacturing |
| BGK | Bhatnagar-Gross-Krook (kinetic-theory Model For Reactive Collisions) |
| BSE | Bulk Silicate Earth |
| ILDA | Intensified Linear Diode Array |
| O/E | Observed Number/expected Number Ratio = Relative Risk |
| CIPEA | Comite International Pour L'Etude Des Argiles |
| GWDR | Ground Water Disinfection Rule |