| Acronym | Meaning |
| LC | Lethal Concentration |
| OECD/SIDS | Organisation For Economic Co-operation And Developments Screening Information Data Sets |
| OIRM | Office Of Information Resources Management |
| PTO | U.S. Patent And Trademark Office |
| EPA | Environment Potential Approach (in Electronic-structure Calcn.) |
| LAPS | Light-Addressable Potentiometric Sensor |
| BEES | Ballistic Electron Emission Spectroscopy |
| ILWAS | Integrated Lake Water Acidification Study |
| HMAC | Hazardous Materials Advisory Council |
| NAPL | Nonaqueous Phase Liquid |