| Acronym | Meaning |
 | CEN | Bureau Of The Census |
| NCEH | National Center For Environmental Health |
| OMAR | Office Of Medical Applications Of Research |
| DDC | Defense Distribution Center |
| FRS | Federal Reserve System; Federal Relay Service |
| RD | Rural Development |
| FFB | Federal Financing Bank |
| FHWA | Federal Highway Administration |
| FS | Forest Service |
| NREVSS | National Respiratory And Enteric Virus Surveillance System |
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