1. U.S. Environmental Protection Agency, Center for Environmental Solutions and Emergency Response, Groundwater Characterization and Remediation Division, 919 Kerr Research Drive, Ada, Oklahoma 74820, United States
2. Oak Ridge Associated Universities, U.S. Environmental Protection Agency, Center for Environmental Solutions and Emergency Response, Groundwater Characterization and Remediation Division, 919 Kerr Research Drive, Ada, Oklahoma 74820, United States
3. U.S. Environmental Protection Agency, Region 1, Boston, Massachusetts 02109, United States
4. U.S. Environmental Protection Agency, Region 6, Dallas, Texas 75270, United States
5. Hull & Associates, LLC, Mason, Ohio 45040, United States