| Acronym | Meaning |
| CERPIES | Collision Energy Resolved Penning Ionization Electron Spectra |
| RITZ | Regulatory And Investigative Treatment Zone |
| NPO | National Program Office |
| PRZM | Pesticide Root Zone Model |
| LLIT | Liq.-liq. Intermol. Transfer |
| MEG | Mixed Exponentially Generated (wave Function) |
| CHEC | Commonwealth Human Ecology Council |
| CDMA | Code Division Multiple Access |
| WDS | Wavelength-dispersive Spectrometry |
| EIIP | Emission Inventory Improvement Program |