| Acronym | Meaning |
 | GPS | Global Positioning System |
| EHP | Environmental Health Perspectives |
| NRPC | National Railroad Passenger Corporation (AMTRAK) |
| NFA | National Fire Academy |
| OVAE | Office Of Vocational And Adult Education |
| CEA | Council Of Economic Advisers |
| TSI | Transportation Safety Institute |
| NOS | National Ocean Service |
| ENC | Eisenhower National Clearinghouse |
| PTO | Patent And Trademark Office |
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