| Acronym | Meaning |
| ASRG | Analytical Spectroscopy Research Group |
| CSCT | US EPA Consortium For Site Characterization Technology |
| MPRI | Multiphoton Resonance Ionization |
| GIOS | Generalized Infinite Order Sudden |
| TEF | Toxicity Equivalency Factor |
| PNDDO | Partial Neglect Of Diatomic Differential Overlap |
| SLPM | Standard Liters Per Minute |
| WHMO | Wolfsberg-Helmholz Molecular Orbital |
| SRIM | Selected Research In Microfiche |
| UVPES | Ultraviolet Photoelectron Spectroscopy |