| Acronym | Meaning |
| WERL | Water Engineering Research Laboratory |
| MCPP | (+/-)-2-(4-chloro-2-methylphenoxy)propionic Acid (REG: 7085190) |
| ORD | Optical Rotatory Dispersion |
| CMB | Cosmic Microwave Background |
| HD | Sulfur Mustard |
| IDMS | Integrated DWPF Melter System |
| PWBE | Plane-wave Born Approxn. With Exchange |
| SOLO | Second-order Correlated Localized Orbital-local Origin (method) |
| WSATI-WQ | Weighted Species Association Tolerance Index-water Quality |
| GOME | Global Ozone Monitoring Experiment |