| Acronym | Meaning |
| EMMC | Environmental Monitoring Management Council |
| AMSA | Association Of Metropolitan Sewerage Agencies |
| GCLDA | Gradient-corrected Local Density Approximation |
| GLAD | Great Lakes Atmospheric Deposition |
| ECU | Electronic Control Unit |
| ROHS | Restrictions On Hazardous Substances |
| ESCA | Electron Spectroscopy For Chemical Analysis |
| LIP | Laser-induced Plasma |
| SBR | Styrene Butadiene Rubber |
| RINDO | Rydberg Intermediate Neglect Of Differential Overlap |