| Acronym | Meaning |
| SCD | Sulfur Chemiluminescence Detector |
| PSD | Prevention Of Significant Deterioration |
| BMDO | Ballistic Missile Defense Organization |
| MON | Motor (method) Octane No. |
| LAP | Latency-associated Peptide |
| SMM | Solar Maximum Mission |
| RMW | Regulated Medical Waste |
| HWDMS | Hazardous Waste Data Management System |
| NAS | National Academy Of Science |
| CGHE | Carrier Gas Hot Extraction |