| Acronym | Meaning |
| SELDI | Surface-enhanced Laser Desorption Ionization Spectrometry |
| NKB | Nachklarbecken; Secondary Settling Tank |
| ITD | Ion Trap Detector (mass Spectrometry) |
| SCRAM | EPA Support Center For Regulatory Air Models |
| DNS | Direct Numerical Simulation |
| POSAP | Position-sensitive Atom Probe |
| OMO | Orthogonalized Magnetic Orbital |
| IRGL | Interagency Regulatory Liaison Group |
| APG | Alkyl Polyglycosidepar |
| TEL | Tetraethyl Lead |