| Acronym | Meaning |
| VDZ | Valence Double Zeta |
| ACAID | Anterior Chamber Associated Immune Deviation |
| MNDO/M | Modified MNDO |
| SRT | Sludge Or Solids Retention Time |
| SBIR | Small Business Innovative Research Program |
| RAIRS | Reflection/absorption Infrared Spectroscopy |
| BSRT | Biological Solids Retention Time |
| SSSP | Simulation Of Single Sludge Processes |
| ITFM | Intergovernmental Task Force On Monitoring |
| IAD | Ion Assisted Deposition |