| Acronym | Meaning |
 | PI | Pollution Index |
 | HGSI | The Human Genome Sequencing Index |
 | HPM | Hypervirial-perturbative Method |
 | CI-HY | Configuration Interaction-Hylleraas |
 | IOC | Inorganic Chemical |
 | NMMAPS II | The National Morbidity |
 | CA | Chromosomal Abberation |
 | WOCE | World Ocean Circulation Experiment |
 | BXE | Bombardment-induced X-ray Emission |
 | NIHHS | Notification Of Installations Handling Hazardous Substances Regulations (UK) |