| Acronym | Meaning |
| CTDO | Conductivity-Temperature-Depth-Oxygen Profiler |
| AOES | Actinometry Optical Emission Spectroscopy |
| SCC-IEH | Self-consistent Charge-iterative Extended Hueckel |
| RSPA | Research And Special Programs Administration (Dept. Of Transportation) |
| SAIC | Science Applications International Corporation |
| GLS | Generalized Least Squares |
| OSWER BBS | OSWER Electronic Bulletin Board System (see CLU-IN) |
| TGVBA | Target Generalized Valence Bond Approximation |
| FAOS | Fluorescent Activated Organelle Sorting |
| DELPHI | Detector With Lepton |