| Acronym | Meaning |
| GPSC | Gas Proportional Scintillation Counter |
| EBIC | Electron Beam Induced Current |
| OIT | Oxidative Induction Time |
| PTD | Photothermal Deflection |
| ULF | Ultra Low Frequency |
| ETS | Electron Transmission Spectroscopy |
| NAIMA | North American Insulation Manufacturers Association |
| NLPS | Nonreactive |
| EMAP | Environmental Monitoring And Assessment Program (US EPA) |
| HRAP | High Rate Algal Pond |