| Acronym | Meaning |
| WLA | Waste Load Allocation |
| ACTS | Asbestos Contractor Tracking System |
| CSI | Chemical Substances Inventory |
| RECA | Regional Energy Convergence Approxn. (in Total Energies Calcns.) |
| BEBO/R | Relaxed Bond Energy-bond Order Method |
| ICTP | Telopeptide Of Type-I Collagen |
| MFI | Melt Flow Index [of Polymer] |
| MTBE | Methyl Tert Butyl Ether (gasoline Additive) |
| NDTT | Nil Ductility Transition Temperature |
| CPIMA | Center On Polymer Interfaces And Macromolecular Assemblies |