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DOE DNFSB INFORMATION ARCHIVE   Most Recent Correspondence   More October 11, 2019, Board letter responding to NNSA letter dated August 9, 2019, concerning Board access to all phases of the nuclear explosive safety study process. [PDF] October 10, 2019, Board letter responding to DOE’s rejection of Recommendation 2019-2, Safety of Savannah River Site Tritium Facilities, and establishing a reporting requirement for DOE to confirm a briefing on the basis for rejecting the Recommendation. [PDF] October 7, 2019, Board letter responding to DOE-ORP letter dated December 10, 2018, regarding the electrical distribution system at Hanford's Waste Treatment and Immobilization Plant. [PDF] October 7, 2019, Board letter providing the results of its review of the Oak Ridge National Laboratory’s Building 2026 preliminary documented safety analysis for the Initial Processing Campaign for DOE’s information and use. [PDF] September 23, 2019, Department letter responding to the Board letter of August 22, 2019, regarding the Department’s Implementation Plan for Recommendation 2019-1, Uncontrolled Hazard Scenarios and 10 CFR 830 Implementation at the Pantex Plant. [PDF] September 10, 2019, Department letter responding to DNFSB Recommendation 2019-2, Safety of the Savannah River Site Tritium Facilities. [PDF] August 30, 2019, Department letter documenting resolution of concerns related to erosion wear allowances for piping, vessels, and pulse-jet mixers at the Waste Treatment and Immobilization Plant at the Hanford Site. [PDF] August 27, 2019, Board letter establishing a 90-day reporting requirement for plans to address safety issues with the safety significant confinement ventilation system at the Waste Isolation Pilot Plant. [PDF] August 23, 2019, Board letter requesting that DOE/NNSA provide a briefing regarding federal oversight of nuclear criticality safety at Y-12. [PDF] August 22, 2019, Board letter regarding the Department’s Implementation Plan for Board Recommendation 2019-1, Uncontrolled Hazard Scenarios and 10 CFR 830 Implementation at the Pantex Plant, and reaffirming the Board’s Recommendation. [PDF]  Correspondence List A Chronological Listing of all correspondence, reports, and memorandum between the Defense Nuclear Facilities Safety Board (DNFSB) and the Department of Energy (DOE) by Year - Month - Day.     Chronological Listing:     2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 - 2000 | 1999 - 1990  Board Recommendations  A listing of all correspondence, reports, memorandum, and DOE implementation plans related to a specific DNFSB Recommendations (see About Board Recommendations) between DOE and the DNFSB by Year - Month - Day.     All Board Recommendations     Open Board Recommendations:     2019-2 | 2019-1 | 2012-2 | 2012-1  Correspondence by Site  Board correspondence and other documents sorted by applicable DOE site.      Hanford | INL | LANL | LLNL | NNSS | Pantex | SNL | SRS | WIPP | Y-12/ORNL | Other  Annual Reports to Congress        Annual Reports to Congress  Public Meetings and Hearings        Board Public Meetings and Hearings  DOE Briefings to DNFSB        DOE Briefings to DNFSB  Board Technical Reports        Board Technical Reports  CMRR Certification       Correspondence - CMRR Certification