| Date | Proceedings and Orders |
|
| 10/24/2006 | | Petition for a writ of certiorari filed. (Response due November 24, 2006) |
| 11/22/2006 | | Brief amicus curiae of Aviall Services, Inc. filed. |
| 12/6/2006 | | DISTRIBUTED for Conference of January 5, 2007. |
| 12/8/2006 | | Response Requested . (Due January 8, 2007) |
| 1/2/2007 | | Brief of respondent Atlantic Research Corporation in support filed. |
| 1/3/2007 | | DISTRIBUTED for Conference of January 19, 2007. |
| 1/9/2007 | | Reply of petitioner United States filed. (Distributed) |
| 1/19/2007 | | Petition GRANTED. |
| 2/5/2007 | | SET FOR ARGUMENT ON Monday, April 23, 20007. |
| 2/22/2007 | | Record received from U.S.C.A. for 8th Circuit. (1 envelope) |
| 3/1/2007 | | Joint appendix filed. |
| 3/1/2007 | | Brief of petitioner United States filed. |
| 3/2/2007 | | Brief amicus curiae of Huron Valley Steel Corporation filed. |
| 3/5/2007 | | Brief amici curiae of Cooper Industries, LLC, et al. filed. |
| 3/5/2007 | | Brief amicus curiae of Reading Company filed. |
| 3/20/2007 | | Record received from U.S.D.C. for Western District of Arkansas. (1 envelope) |
| 3/21/2007 | | CIRCULATED. |
| 3/30/2007 | | Motion of Washington, et al. for leave to participate in oral argument as amici curiae and for divided argument filed. |
| 4/4/2007 | | Brief amici curiae of Ford Motor Company and General Motors Corporation filed. (Distributed) |
| 4/4/2007 | | Brief amicus curiae of Metropolitan Water Reclamation District of Greater Chicago filed. (Distributed) |
| 4/5/2007 | | Brief amici curiae of Former Administrator Carol M. Browner, et al. filed. (Distributed) |
| 4/5/2007 | | Brief amicus curiae of Consolidated Edison Company of New York, Inc. filed. (Distributed) |
| 4/5/2007 | | Brief amicus curiae of City of New York filed. (Distributed) |
| 4/5/2007 | | Brief amicus curiae of Lockheed Martin Corporation filed. (Distributed) |
| 4/5/2007 | | Brief amici curiae of Natural Resources Defense Council, et al. filed. (Distributed) |
| 4/5/2007 | | Brief of respondent Atlantic Research Corporation filed. (Distributed) |
| 4/5/2007 | | Brief amicus curiae of United States Conference of Mayors filed. (Distributed) |
| 4/5/2007 | | Brief amicus curiae of James Kotrous filed. (Distributed) |
| 4/5/2007 | | Brief amici curiae of Association of California Water Agencies, et al. filed. (Distributed) |
| 4/5/2007 | | Brief amici curiae of E.I. Du Pont De Nemours and Company, et al. filed. (Distributed) |
| 4/5/2007 | | Brief amici curiae of Superfund Settlements Project, et al. filed. (Distributed) |
| 4/5/2007 | | Brief amici curiae of Washington, et al. filed. (Distributed) |
| 4/5/2007 | | Brief amicus curiae of Aviall Services, Inc. filed. (Distributed) |
| 4/13/2007 | | Motion of Washington, et al. for leave to participate in oral argument as amici curiae and for divided argument GRANTED. |
| 4/13/2007 | | Reply of petitioner United States filed. (Distributed) |
| 4/23/2007 | | Argued. For petitioner: Thomas G. Hungar, Deputy Solicitor General, Department of Justice, Washington, D.C. For respondent: Owen T. Armstrong, Jr., Milwaukee, Wis.; and Jay D. Geck, Deputy Solicitor General, Olympia, Wash. (for Washington, et al., as amici curiae.) |
| 6/11/2007 | | Adjudged to be AFFIRMED. Thomas, J., delivered the opinion for a unanimous Court. |
| 7/13/2007 | | JUDGMENT ISSUED. |
| 7/25/2007 | | Acknowledgement of receipt (07/17/07) of judgment from Clerk, United States Court of Appeals for the Eighth Circuit received. |
