| Acronym | Meaning |
| HSA | Headspace Analysis |
| SEHF | Spin-extended Hartree-Fock |
| NLLS | Nonlinear Least Squares |
| MACSIMS | Measurement Of Atmospheric Constituents By Selective Ion Mass Spectrometry |
| ITO | Indium Tin Oxide (gas Sensor |
| NSH | Normalized Spherical Harmonic (hamiltonian) |
| L2MS | Laser-desorption Laser-ionization Mass Spectrometry |
| CCPA | Canadian Chemical Producers Association |
| HREELS | High-resolution Electron Energy-loss Spectroscopy |
| VCS | Voluntary Cleanup Section |