| Acronym | Meaning |
| INDA | Investigational New Drug Application |
| BPR | Biological Phosphorus Removal |
| HIBA | 2-hydroxyisobutyric Acid |
| MSHA | Mine Safety And Health Administration (US) |
| MRF | Municipal Recycle Facility |
| C4S | Chemical Shift-specific Slice Section |
| AXS | Anomalous X-ray Scattering |
| MIF | Migration Inhibitory Factor |
| WERC | Waste-management Education & Research Consortium |
| ACATS | Airborne Chromatograph For Atmospheric Trace Species |