| Acronym | Meaning |
| NIEHS | National Institute Of Environmental Health Science |
| GMO | Group Molecular Orbital |
| CPVC | Chlorinated Polyvinyl Chloride |
| EIA | Energy Information Administration (DOE) |
| IUBS | International Union Of Biological Sciences |
| QAFM | Quantum Antiferromagnetic Heisenberg Model |
| AES | Auger Emission Spectroscopy |
| ESC | Embryonic Stem Cell |
| ROSH | Registry Of Occupational Safety And Health |
| ERA | Expedited Removal Action |