| Acronym | Meaning |
 | OSM | Office Of Surface Mining; Office Of Spectrum Management |
| DOT | Department Of Transportation |
| CWC | Chemical Weapons Convention |
| OSAC | Overseas Security Advisory Council |
| USMS | United States Marshals Service |
| SDWIS | Safe Drinking Water Information System |
| PPQ | Plant Protection And Quarantine |
| HAC | Health Administration Center |
| OPA | Office Of Population Affairs |
| CNO | Chief Of Naval Operations |
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