| Acronym | Meaning |
| HWIR | Hazardous Waste Identification Rule |
| IISCI | Initial Ionic State Comfiguration Interaction |
| PFR | Plug Flow Reactor |
| ASK | Apoptosis Signal-regulating Kinase |
| PILC | Pillar Interlayered Clays |
| CPIMA | Center On Polymer Interfaces And Macromolecular Assemblies |
| ACI | Alloy Casting Institute |
| ACWM | Asbestos Containing Waste Material |
| CEOOWG | Commercial Earth And Ocean Observations Working Group |
| TEMO | Topological Effects On MO |