| Acronym | Meaning |
| LCAO | Linear Combination Of Atomic Orbitals |
| TRELIBS | Time Resolved Laser Induced Breakdown Spectroscopy |
| CHERS | Charge Exchange Recombination Spectroscopy |
| FATES | FIRFA And TSCA Enforcement System (now Known As SSTS) |
| SARM | Selective Androgen Receptor Modulator |
| ATMOS | Atmospheric Trace Molecule Spectroscopy |
| ATTIC | Alternative Treatment Technology Information Center (US EPA) |
| PSD | Passive Sampling Device(s) (for Air Pollution) |
| EPTOX | Extraction Procedure Toxicity Test |
| ICAME | International Commission On Application Of Moessbauer Effect |