| Acronym | Meaning |
 | IAEA | International Atomic Energy Agency |
| CSB | Chemical Safety And Hazard Investigation Board |
| FDA | Food And Drug Administration |
| ARBA | Army Review Boards Agency |
| TSP | Thrift Savings Plan |
| ARC | Appalachian Regional Commission |
| CBO | Congressional Budget Office |
| CEN | Bureau Of The Census |
| RA | Reserve Affairs |
| BTS | Bureau Of Transportation Statistics |
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