| Acronym | Meaning |
| EPS | Extracellular Polymeric Substances |
| EASC | Extended Anaerobic Sludge Contact |
| MLCT | Metal-to-ligand Charge-transfer |
| MMSV | Morse-Morse-Spline-van Der Waals (potential Function) |
| SCDM | Self-consistent Diagrammatic Method (in Calcn. On Electronic Excitation Transfer) |
| IVNAA | In Vivo Neutron Activation Analysis |
| STERAO | Stratosphere-Troposphere Experiments: Radiation |
| CWTC | Chemical Waste Transportation Council |
| FRS | Forward Recoil Spectrometry |
| AFCS | Alliance For Cellular Signaling |