| Acronym | Meaning |
| ACM | Asbestos Containing Material(s) |
| CASS | Cyclic Activated Sludge System |
| MPI | Multivariable Proportional-integral [control(ler)] |
| TBP | TATA-box Binding Protein |
| LKKR | Layer Korringa-Kohn-Rostoker (in Interface Electronic Structures) |
| MOSQITO | Modeling Of Stormwater Quality Including Tanks And Overflows |
| CAT | Computer-aided Tomography |
| WRAQS | Western Regional Air Quality Study |
| CIOSA | Classical Infinite-order Sudden Approxn. |
| INMM | Institute Of Nuclear Materials Management |