| Acronym | Meaning |
| ILS | Instrumental Line Shape |
| WQBEL | Water Quality-based Effluent Limits |
| J(Z)CCS | J(z) Conserving Centrifugal Sudden Approximation (in Molecular Collisions |
| SPMN | Soil Potentially Mineralizable Nitrogen |
| MCOPM | Multiconfiguration Optimized Potential Model |
| HRSEM | High Resolution Scanning Electron Microscopy |
| BIF | Banded Iron-formation |
| CCEA | Conventional Combustion Environmental Assessment |
| ATOFMS | Aerosol Time-of-flight Mass Spectrometry |
| IRAS | Infrared Reflection Absorption Spectroscopy |