| Acronym | Meaning |
| SMO | Sample Management Office (US EPA) |
| IWG | International Working Group |
| CCMSD | Computational Center For Molecular Structure And Design |
| DNO | Delocalized Natural Orbital |
| NVH | Noise, Vibration, And Harshness |
| SMOW | Standard Mean Ocean Water |
| PMPO | Perturbed Morse Pekeris Oscillator (model Potential) |
| FTM | Fault Tree Model |
| GLOBE | Global Learning And Observations To Benefit The Environment |
| NELAP | National Environmental Laboratory Accreditation Program |