| Acronym | Meaning |
| SETM | Statistical Electron Transfer Model (for Electron-exchange Collisions) |
| NEOPS | North East Oxidant And Particle Study |
| BAM | Brewster Angle Microscopy |
| CPD | Cyclobutane Pyrimidine Dimer |
| ROBO | Rotating Bond Order (model In Potential Surface Calcns.) |
| CIDR | Controlled-internal Drug Release |
| TSCATS | Toxic Substances Control Act Test Submissions Online Database |
| SCSRC | Solids Contact Slurry Recirculating Clarifier(s) |
| NAL | No Action Level |
| PWHT | Post-weld Heat Treatment |