| Acronym | Meaning |
 | RSA | Rehabilitation Services Administration |
| OST | Office Of Science And Technology; Office Of The Secretary Of Transportation |
| BRD | Biological Resource Division |
| OMAR | Office Of Medical Applications Of Research |
| OAC | Office Of Antiboycott Compliance |
| NMB | National Mediation Board |
| USBR | Bureau Of Reclamation |
| EOUSA | Executive Office For United States Attorneys |
| NIEHS | National Institute Of Environmental Health Sciences |
| CERCLIS | Comprehensive Environmental Response |
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