| Acronym | Meaning |
| MIR | Maximum Individual Risk |
| ELIF | Excimer Laser Induced Fragmentationpar |
| PNNL | Pacific Northwest National Laboratory |
| FOND | Fiber-optic Neutron Detector |
| GMISS | Gridded Model Information Support System |
| AMSA | Association Of Metropolitan Sewerage Agencies |
| BPB | Blood Lead |
| ORI | Octane Requirement Increase |
| RDS | Respiratory Distress Syndrome |
| PI | Polydispersity Index |