| Acronym | Meaning |
| ETP | Emerging Technology Program (USEPA SITE) |
| FCS | Fluorescence Correlation Spectroscopy |
| MPCA | Multiway Principal Component Analysis |
| TEC | Teo Electron Counting Method (for Complexes |
| HREM | High-resolution Electron Microscopy |
| PES | Photoelectron Spectroscopy |
| SME | Static Model Exchange (approxn. In Electron-mol. Scattering) |
| ILZRO | International Lead Zinc Research Organization |
| AQUIRE | Aquatic Information Retrieval |
| RUS | Resonant Ultrasound Spectroscopy |