| Acronym | Meaning |
| SEAM | Superfund Exposure Assessment Manual |
| NPV | Net Present Value {economics} |
| IHSS | International Humic Substances Society |
| BFU-E | Burst-forming Unit-erythroid |
| WMAP | Wilkinson Microwave Anisotropy Probe |
| TASO | Terminal Atom Symmetry Orbital |
| IPEM | Ion-photon Emission Microscopy |
| BEJ | Best Engineering Judgement |
| RACS | Response Action Contractors |
| MERD | Metal-enhanced Reductive Dehalogenation |