| Acronym | Meaning |
| CCL | Drinking Water Contaminant Candidate List |
| CV | Core-valence Correlation |
| CVO | Canonical Virtual Orbital |
| EFTC | European Fluorocarbon Technical Committee |
| HMR | Hazardous Materials Regulations |
| DEA | Drug Enforcement Administration |
| GC | Gas Chromatography |
| HRV | Heart Rate Variability |
| LDPO | Linearly Driven Parametric Oscillator (model In Energy Transfer Calcns. In Mol. Collisions) |
| PAS | Periodic Acid Schiff |