| Acronym | Meaning |
| TEMIS | Total Emissions Model For Integrated Systems |
| GEMMA | Gas-phase Electrophoretic Mobility Molecular Analysis |
| QUAL2E | Enhanced Stream Water Quality Model |
| CATC | Cyanide Amenable To Chlorination |
| EMUS | Electromagnetic Ultrasonic Testing |
| MNSR | Miniature Neutron Source Reactor |
| NNI | National Nanotechnology Initiative |
| IISRP | International Institute Of Synthetic Rubber Producers |
| NWIS | Nuclear Weapons Identification System |
| DON | Dissolved Organic Nitrogen |