| Acronym | Meaning |
| CVFF | Consistent Valence Force Field |
| GHF | Generalized Hartree-Fock Method |
| DAS | Direct Absorption Spectroscopy |
| NHFPT | Nonorthogonal Hartree-Fock Perturbation Theory |
| STEREO | Solar TErrestrial RElations Observatory |
| CARPT | Computer Automated Radioactive Particle Tracking |
| NAL | No Action Level |
| TWA | Time-weighted Average Limit |
| BCC | Basal Cell Carcinoma |
| PMR | Proportional Mortality Ratio |