| Acronym | Meaning |
| BCUT | Burden CAS And University Of Texas |
| GDI | Gasoline Direct Injection |
| EIQ | Emission Inventory Questionnaire |
| AWRG | Acid Waters Review Group (UK) |
| SOI | Silicon On Insulator |
| QPLDA | Quasiparticle Local-density Approxn. |
| OGDR | Optogalvanic Double Resonance |
| MIDDAS | Microdiameter Depth Adsorption Systems |
| CWS | Community Water System |
| ISO | International Organization For Standardization |