| Acronym | Meaning |
| ECD | Environmental Cleanup Division |
| FLIPR | Fluorescent Imaging Plate Reader |
| PWIA | Plane-wave Impulse Approximation |
| LAKE | Clean Lakes Database (accessible Through OLS) |
| NDSL | Non-Domestic Substances List |
| ORAM | Optical Random Access Memory |
| BTV | Breakthrough Volume (sorption Capacity Measurement) |
| NODA | Notice Of Data Availability |
| WLA | Waste Load Allocation |
| HMM | Half Molecule Model (for Electron Scattering By Molecules) |