| Acronym | Meaning |
| ETI | Environmental Testing Industry |
| ROS | Reactive Oxygen Species |
| CMAQ | Community Multiscale Air Quality |
| HEDTA | Hydroxyethylethylenediaminetriacetic Acid |
| ELCD | Electrolytic Conductivity Detection |
| VMR | Vol. Mixing Ratio |
| MINDO | Modified Intermediate Neglect Of Differential Overlap |
| ECAE | Equal Channel Angular Extrusion |
| NIR | Near Infrared |
| EI | Emissions Inventory |