| Acronym | Meaning |
| HCD | Hollow Cathode Discharge |
| CCC | Counter Current Chromatography |
| GDMS | Glow Discharge Mass Spectrometry |
| SPV | Surface Photovoltage |
| VU-CCSD/R | Valence Universal-coupled Cluster (with) Single (and) Double (excitations) (r = Radial Components Of The Cluster Amplitudes) |
| LOGS | Laser Optogalvanic Spectrometry |
| PICI | Positive-ion Chemical Ionization |
| XPEEM | X-ray Photoemission Electron Microscopy |
| G-CSF | Granulocyte Colony-stimulating Factor |
| NCEA | National Center For Environmental Assessment |