| Acronym | Meaning |
 | OACU | Office Of Animal Care And Use |
| ECA | Bureau Of Educational And Cultural Affairs |
| OES | Bureau Of Oceans And International Environmental And Scientific Affairs |
| ACDA | United States Arms Control And Disarmament Agency |
| VISTA | Volunteers In Service To America |
| NIC | National Institute Of Corrections |
| NTP | National Toxicology Program |
| CEPPO | Chemical Emergency Preparedness And Prevention Office |
| FHWA | Federal Highway Administration |
| IO | Bureau Of International Organization Affairs |
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