| Date | Subject |
| 12/03/2004 | Letter from Chairman Nils J. Diaz to Representative Edward J. Markey concerning the temporary suspension of public access to the NRC's Agencywide Documents Access and Management System (ADAMS) database that occurred on October 25, 2004. |
| 10/14/2004 | Letter from Chairman Nils J. Diaz to Representative Christopher Shays expressing appreciation for holding the September 14, 2004 oversight hearing to examine the NRC's security enhancements for nuclear power facilities and addresses some of the Members' concerns on this subject. |
| 10/01/2004 | Letter from Chairman Nils J. Diaz to Representative Edward J. Markey responding to questions regarding NRC Force-on-Force exercises at NRC-licensed facilities. |
| 09/08/2004 | Letter from Chairman Nils J. Diaz to the Honorable Tom Ridge, Secretary of Homeland Security, providing an update on recent actions that the NRC has taken to continue enhancing the security of NRC-regulated nuclear facilities and radioactive materials. |
| 06/30/2004 | Letter from Chairman Nils J. Diaz to Senator George V. Voinovich responding to questions regarding NRC inspector training and qualifications. |
| 06/30/2004 | Letter from Chairman Nils J. Diaz to Senator John McCain regarding S. 2279, which addresses maritime transportation security. |
| 06/24/2004 | Letter from Chairman Nils J. Diaz to Representative Edward J. Markey responding to questions concerning the accountability for two irradiated spent fuel rod segments missing from the Vermont Yankee Nuclear Power Station (Vermont Yankee). |
| 06/08/2004 | Letter from Chairman Nils J. Diaz to Senator James M. Jeffords responding to questions concerning the accountability for two irradiated spent fuel rod segments presumed missing from the Vermont Yankee Nuclear Power Station (Vermont Yankee). |
| 06/02/2004 | Letter from Chairman Nils J. Diaz to Senator George V. Voinovich, responding to a question from the NRC oversight hearing on May 20, 2004, concerning the impacts of having to operate under an FY-2005 continuing resolution. |
| 05/04/2004 | Letter from Chairman Nils J. Diaz to Mr. Michael H. Dworkin, Chairman, Vermont Public Service Board, regarding the request by Entergy Nuclear Vermont Yankee, LLC, and Entergy Nuclear Operations, Inc. (Entergy) to amend the Vermont Yankee Nuclear Power Station license to increase the power level of the facility. |
| 03/22/2004 | Letter from Chairman Nils J. Diaz to Senator Hillary Rodham Clinton, responding to concerns on findings in NRC's December 22, 2003 Special Inspection Report regarding Indian Point and NRC's support for the Dirty Bomb Prevention Act. |
| 03/22/2004 | Letter from Chairman Nils J. Diaz to Representative Sue W. Kelly, regarding the findings in NRC's December 22, 2003 Special Inspection Report regarding Indian Point. |
| 03/17/2004 | Letter from Chairman Nils J. Diaz to Senator Jeff Bingaman regarding concerns about NRC's package certification requirements that would be applicable to a new transuranic waste transportation package, TRUPACT-III. |