| Acronym | Meaning |
 | CFSAN | National Center For Food Safety And Applied Nutrition |
| EIS | Epidemic Intelligence Service |
| APHIS | Animal And Plant Health Inspection Service |
| NGDC | National Geophysical Data Center |
| CIT | Center For Information Technology |
| PHN | Center For Population |
| ACF | Administration For Children And Families |
| LC | Library Of Congress |
| WTO | World Trade Organization |
| ARC | Appalachian Regional Commission |
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