| Acronym | Meaning |
| PA/SI | Preliminary Assessment/Site Inspection |
| PCFB | Pressurized Circulating Fluidized Bed (gasification Apparatus) |
| BEIS | Biogenic Emissions Inventory System (US EPA) |
| GPS | Generalized Phase Shift Formalism |
| NSSN | National Standards Systems Network |
| CESR | Conduction Electron Spin Resonance |
| MAS | Molecular Absorption Spectroscopy |
| CE/ESIMS | Capillary Electrophoresis/electrospray Ionization Mass Spectrometry |
| MRM | Multiple Reaction Monitoring |
| GSHV | Ground Squirrel Hepatitis Virus |