| Acronym | Meaning |
| ATTF | Air Toxics Task Force |
| OSWER | Office Of Solid Waste And Emergency Response (USEPA) |
| MDI | Methylene Di-p-phenylene Isocyanate |
| LECIVA | Low Energy Charge-induced Voltage Alteration |
| ESRF | European Synchrotron Radiation Facility |
| CAS | Chemical Abstracts Service |
| (SC)2(CI+PT2) | Self-consistent Size-consistent (CI+second-order Perturbation) |
| QMOM | Quadrature Method Of Moments |
| SMA | Specific Methanogenic Activity |
| SLC | SLAC Linear Collider |