| Acronym | Meaning |
| BPR | Biological Phosphorus Removal |
| CCF | Correlation Crystal Field |
| SAR | Sodium Absorption Ratio |
| BACT | Best Available Control Technology |
| ZPP | Zn Protoporphyrin (lead Poisoning Indicator) |
| SDA | Structure-directing Agent |
| IBV | Infectious Bronchitis Virus |
| HDAC | Histone Deacetylase |
| AOIPS | Atmospheric And Oceanographic Information Processing System |
| PHRED | Public Health Risk Evaluation Data |