| Acronym | Meaning |
| 3DWQM | Chesapeake Bay Three Dimensional Time Variable Water Quality Model |
| DAF | Diallyl Fumarate |
| CEPA | Coupled Electron Pair Approximation |
| CHELEQ | Charge Electronegativity Equalization |
| PTEAM | Particle Total Exposure Assessment Methodology |
| GDWB | Generalized Distorted-wave Born (approxn. Or Theory) |
| TDL | Tunable Diode Laser |
| NWQMC | National Water Quality Monitoring Council |
| MEAN | Multipole-extracted Adiabatic-nuclei (for Electron-molecule Collisions) |
| RCF | Relative Centrifugal Force |