| Acronym | Meaning |
 | OBL | Office Of Business Liaison |
| NGDC | National Geophysical Data Center |
| NREVSS | National Respiratory And Enteric Virus Surveillance System |
| NCCAM | National Center For Complementary And Alternative Medicine |
| WAPA | Western Area Power Administration |
| TANF | Temporary Assistance For Needy Families |
| RRB | Railroad Retirement Board |
| PIH | Office Of Public And Indian Housing |
| CDER | Center For Drug Evaluation And Research |
| BNA | Bureau Of National Affairs |
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