| Acronym | Meaning |
| POE | Point Of Entry |
| AHM | Acutely Hazardous Materials |
| IRIS | Integrated Risk Information System |
| CCL | Carotenoid-carrying Lipoprotein |
| CATC | Cyanide Amenable To Chlorination |
| COMA | Cyclic Olefin Maleic Anhydride |
| XPEEM | X-ray Photoemission Electron Microscopy |
| CUS | Coordinatively Unsaturated Site |
| WLA | Waste Load Allocation |
| MCR | Metabolic Clearance Rate |