| Acronym | Meaning |
| NCCDPHP | National Center For Chronic Disease Prevention And Health Promotion |
| BARC | Beltsville Agricultural Research Center |
| AFS | Air Facility Sub-System |
| FR | Federal Register |
| EPA | Environmental Protection Agency |
| SIC | Standard Industrial Classification |
| ANL | Argonne National Laboratory |
| FIPS | Federal Information Processing Standard |
| USA | United States Army |
| NCID | National Center For Infectious Diseases |