| Acronym | Meaning |
| HRE | Hormone-responsive Element |
| CERL | Corvallis Environmental Research Laboratory |
| AQF | American Quality Foundation |
| POPCORN | Photo-Oxidant Formation By Plant Emitted Compds. And OH Radicals In North-Eastern Germany |
| STOAT | Sewage Treatment Operation And Analysis Over Time [model] |
| ASCOT | Atmospheric Studies In Complex Terrain |
| TPQ | Threshold Planning Quantity |
| SAXPS | Selected Area X-ray Photoelectron Spectroscopy |
| EPR | Electrochem. Potentiodynamic Reactivation |
| BMP | Biochemical Methane Potential |