| Acronym | Meaning |
| ASM | Activated-sludge Model |
| HMAC | Hazardous Materials Advisory Council |
| MINTEQA2 | Metal Speciation Equilibrium For Surface And Ground Water |
| MSA | Metropolitan Statistical Area |
| AMPD | 2-amino-2-methyl 1 |
| JIMO | Jupiter Icy Moons Orbiter |
| FACM | Friable Asbestos-Containing Material |
| TDCP-HFR | Time-dependent Coupled Perturbed Hartree-Fock-roothan Approach |
| NSP | North Sea Project |
| ACT | Activated Complex Theory |