| Lab - Location |
| Environmental Protection Agency |
 Office of Air and Radiation - Washington, DC |
| Office of Prevention, Pesticides and Toxic Substances - Washington, DC |
| Office of Research and Development - Washington, DC |
| Office of Solid Waste and Emergency Response - Washington, DC |
| Office of Water - Washington, DC |
| Region 1 - Boston, MA |
| Region 2 - New York, NY |
| Region 3 - Philadelphia, PA |
| Region 4 - Atlanta, GA |
| Region 5 - Chicago, IL |
| Region 6 - Dallas, TX |
| Region 7 - Kansas City, KS |
| Region 8 - Denver, CO |
| Region 9 - San Francisco, CA |
| Region 10 - Seattle, WA |