| Acronym | Meaning |
| PIVCDW | Phase Integral Variational Continuum Distorted Wave |
| WSIA | Water Supply Improvement Association |
| ANS | American Nuclear Society |
| LD | Limits Of Detection |
| PSA | Pressure Sensitive Adhesive |
| ETIC | Environmental Teratology Information Center |
| PIC | Products Of Incomplete Combustion |
| SO-LAPW | Spin-orbit (coupling) Linearized Augmented Plane Wave |
| EAAPS | Electron-excited Auger-electron Appearance Potential Spectroscopy |
| IA/PA | Intermediate Alky./partial Alky. |