| Acronym | Meaning |
| QAMB | Quality Assurance Materials Bank (USEPA) |
| CETO | Cartesian Exponential Type Orbital |
| ENCS | Existing And New Chemical Substances |
| PTD | Photothermal Deflection |
| ORD | Optical Rotatory Dispersion |
| ASV | Anodic Stripping Voltammetry |
| IMB | Information Management Branch |
| PTNO | Perturbation Theory Natural Orbital |
| EMEG | Environmental Media Evaluation Guides |
| POLARIS | Photochem. Of Ozone Loss In The Arctic Region In Summer |