| Acronym | Meaning |
| IMF | Intermediate Mass Fragment |
| DED | Death Effector Domain |
| 3DWQM | Chesapeake Bay Three Dimensional Time Variable Water Quality Model |
| DWA | Distorted Wave Approximation |
| EMPACT | Environmental Monitoring For Public Access And Community Tracking |
| FIM | Field-Ion Microscopy |
| REOM | Reduced Equations Of Motion (method In Mol.-scattering Calcns.) |
| NEWWA | New England Water Works Association |
| NTNCWS | Nontransient, Noncommunity Water Supplies |
| ADL | Analytical Detection Limit |