Departmental Representative to the Defense Nuclear Facilities Safety Board

Hanford

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• December 30, 2010, Department letter confirming delivery of a TIPR for the Engineered Container/Settler Tube Disposition Phase 1 of the K-Basin sludge project.
• December 30, 2010, Board letter forwarding the Quarterly Report to Congress on the Status of Significant Unresolved Issues with the Department of Energy Design and Construction Projects.
• December 29, 2010, Department letter providing a quarterly update on the status of the Structural Steel Peer Review Team at the WTP.
• December 22, 2010, Board letter summarizing the Board's understanding of the status and safety posture of the Engineered Container Retrieval and Transfer System (ECRTS) project at the Hanford Site.
• December 20, 2010, Department letter providing corrective actions for the work planning and control deficiencies at Hanford in response to the September 23, 2010 Board letter.
• December 17, 2010, Board letter forwarding Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant.
• November 5, 2010, Department letter responding to the Board’s May 21, 2010 letter requesting an analysis for setting forth a technically defensible basis for (a) the final deposition velocity to be used in accident calculations for WTP and (b) complex-wide use of a default value (or values) to be specified in DOE's MACCS2.
• October 18, 2010, Department letter discussing changes to the Hanford Tank Farm Documented Safety Analysis and associated technical basis in response to the Board's letter of August 5, 2010.
• October 1, 2010, Department letter transmitting the Tank Waste Subcommittee's report on its review of the WTP design and possible improvements to project cost and schedule.
• September 23, 2010, Board letter establishing a 90-day reporting requirement for a report on actions to correct work planning and control deficiencies by the Richland Operations Office and CH2M Hill Plateau Remediation Company.
• September 20, 2010, Department letter providing a quarterly update on the status of the Structural Steel Peer Review Team at the WTP.
• September 17, 2010, Department letter requesting a 45-day extension to respond to the Board's May 21, 2010, letter regarding the deposition velocity to be used for both WTP and complex wide.
• September 10, 2010, Board letter forwarding a copy of the Report to Congress on Infrastructure Needs in the Department's Aging Defense Nuclear Facilities.
• September 8, 2010, Department letter transmitting the response to questions regarding plans and processes for the Waste Treatment and Immobilization Plant (WTP) to support the upcoming hearings.
• September 3, 2010, Board letter forwarding a copy of the Report to Congress on the Status of Significant Unresolved Issues with the Department's Design and Construction Projects.
• September 2, 2010, Department letter responding to the Board's May 5th, 2010 letter regarding QA of the HPAV test program for the WTP.
• August 31, 2010, Department letter transmitting the approved response plan to the Hydrogen in Piping and Ancillary Vessels at WTP Independent Review Team's Findings and Recommendations.
• August 26, 2010, Board letter identifying an acceptable deposition velocity for use in the WTP Safety Strategy calculations.
• August 6, 2010, Board letter establishing a 30-day reporting requirement to provide written responses to the enclosed questions to be used to prepare for the October 7-8, 2010 WTP public meeting.
• August 5, 2010, Board letter establishing a 60-day reporting requirement to provide a briefing and report on analytical and implementation deficiencies in the Hanford Tank Farms Documented Safety Analysis.
• July 27, 2010, Board letter identifying the need to preserve information associated with an ongoing Board investigation.
• July 16, 2010, Board letter acknowledging the Department's agreement with the Board's comments on the Hydrogen in Pipes and Ancillary Vessels Independent Review Team (HIRT) activities.
• July 2, 2010, Departmental letter requesting a 45-day extension to respond to the May 5, 2010 DNFSB letter on the review of QA aspects of HPAV test programs for the WTP.
• July 2, 2010, Department letter describing current actions underway to address concerns stated in a May 12, 2010 DNFSB letter regarding HPAV design and implementation of safety criteria.
• June 30, 2010, Departmental letter transmitting the results of analysis of the Structural Steel design of several facilities at the WTP.
• June 30, 2010, Department letter containing the Project Execution Plan for K-Basin sludge per the January 27,2010 letter from EM to the Board.
• June 28, 2010, FY2009 Annual Report to Congress on DOE's activities relating to the Defense Nuclear Facilities Safety Board.
• June 25, 2010, Department letter regarding DOE's activities with high speed tank inspection techniques in response to the Board’s letter of January 6, 2010.
• June 25, 2010, Department letter regarding actions taken to address deficiencies found in work planning and control at ORP as described in the Board’s letter of March 12, 2010.
• May 21, 2010, Board letter establishing a 120-day reporting requirement for a report on the deposition velocity to be used for both WTP and complex wide.
• May 17, 2010, Department letter responding to the Board's January 6, 2010, letter addressing the WTP pulse jet mixing safety issues.
• May 12, 2010, Board letter identifying concerns regarding the Independent Review Team review of the WTP Pretreatment Facility design.
• May 5, 2010, Board letter establishing a 60-day reporting requirement for a written response addressing EM flow down of QA requirements.
• March 29, 2010, Department letter providing the initial responses to the WTP structural design concerns identified in the Board's December 2, 2009, letter.
• March 12, 2010, Board letter establishing a 90-day reporting requirement for providing a report on the actions taken or planned regarding Washington River Protection Solutions work planning and controls deficiencies.
• February 22, 2010, Department letter requesting an additional 60 days to respond to the Board's Janaury 6, 2010, letter regarding WTP pulse jet mixing safety issues.
• January 27, 2010, Department letter providing information regarding the plans for removal and treatment of K-West Basin sludge
• January 19, 2010, Department letter transmitting the DOE Annual Report on Nuclear Criticality Safety for Calendar Year 2009.
• January 6, 2010, Board letter establishing a 60-day reporting requirement on WTP pulse jet mixing safety issues.

• December 2, 2009, Board letter establishing a 90-day reporting requirement for providing a report assessing issues regarding the Waste Treatment Plant structural steel design.
• May 20, 2009, Department letter forwarding the 2008 Annual Report to Congress on DOE's activities relating to the Defense Nuclear Facilities Safety Board.
• April 7, 2009, Department letter transmitting the Summary Structural Reports for the WTP HLW Vitrification Building and Pretreatment facility to the Board staff.
• February 23, 2009, Departmental letter transmitting the DOE Annual Report on Nuclear Criticality Safety for calendar year 2008.
• January 23, 2009, Department letter reporting closure of electrical safety issues at the Plutonium Finishing Plant and Hanford tank farms.
• January 8, 2009, Board letter regarding a three-step strategy for resolving safety issues related to fire protection coating on structural steel used in the construction of the Hanford Waste Treatment and Immobilization Plant (WTP).

• October 22, 2008, Departmental letter regarding the completion of SIMS commitment L07-508, dated July 26, 2007, "Complete Final Pass Vacuuming & Fuel Processing, Removal of Found Fuel and Fuel Scrap From K West Basin."
• September 17, 2008, Board letter establishing a 90-day reporting requirement regarding electrical safety and design deficiencies that could compromise safety if not corrected at the Hanford Site.
• September 17, 2008, Board letter regarding The Defense Nuclear Facilities Safety Board (Board) conducting a series of reviews of the integrity of high-level waste tanks and the long-term viability of supporting safety systems.
• August 25, 2008, Departmental letter responding to the DNFSB first review of corrective actions for the spill of waste from single-shell tank S-102 at the Hanford Site.
• July 31, 2008, Departmental letter regarding The U.S. Department Of Energy (DOE), Office Of River Protection (ORP) report on structural steel fire protection evaluation at the Waste Treatment and Immobilization Plant (WTP).
• July 23, 2008, Departmental letter transmitting the Department of Energy Annual Report on Nuclear Criticality Safety that was requested in the letter dated January 29, 2008.
• July 15, 2008, Board letter regarding their completion of the first of a series of detailed reviews of corrective actions for the spill of waste from single-shell Tank S-102 at the Hanford Site.
• June 24, 2008, Board letter regarding the Authorization Basis Amendment Request (ABAR) 24590-WTP-SE-ENS-06-0199, Revision 1, Tailoring of DOE-STD-1066-97, Fire Protection Design Criteria, Section 14, Nuclear Filter Plenum Protection Based on Hazard Analysis.
• June 11, 2008, Board letter congratulating Glyn Trenchard of the Office of River Protection for being honored as the 2007 DOE Facility Representative of the year.
• June 6, 2008, Departmental letter regarding the Office of River Protection's (ORP) updated status on structural steel fire protection at the Waste Treatment and Immobilization Plant (WTP).
• June 2, 2008, Department letter outlining recent and near-term activities regarding CH2M Hill's work planning and control process at the Office of River Protection.

• July 26, 2007, Department letter reporting completion of Commitment 119W in the 2000-1 implementation plan, Prioritization in Stabilizing Nuclear Materials, which calls for the completion of bulk sludge containerization at K West Basin.
• July 19, 2007, Department letter providing status of structural steel fire protection at the Waste Treatment and Immobilization Plant (WTP).
• June 4, 2007, Department letter reporting completion of Commitments 120E and 122E in the 2000-1 implementation plan, Prioritization for Stabilizing Nuclear Materials, which requires the complete bulk sludge and final pass sludge removal from the K East Basin.
• March 12, 2007, Department letter forwarding the Nuclear Criticality Safety Program report for calendar year 2006.
• February 7, 2007, Department letter regarding implementation of DOE Order 425.1C, Startup and Restart of Nuclear Facilities.

• October 26, 2006, Department letter reporting completion of Commitment 119E in the 2000-1 implementation plan, Prioritization for Stabilizing Nuclear Materials, which calls for completion of bulk sludge containerization at K East Basin by October 31, 2006.
• October 2, 2006, Department letter notifying the Board of a potential to miss the commitment date in Commitment 119E in the 2000-1 implementation plan, Prioritization for Stabilizing Nuclear Materials, which calls for the completion of bulk sludge containerization at K East Basin by October 31, 2006.
• September 7, 2006, Board letter regarding ground motion criteria and structural engineering issues of the Waste Treatment and Immobilization Plant.
• June 28, 2006, Department letter providing status and path forward of the seismic ground motion issue at the Waste Treatment and Immobilization Plant (WTP).
• June 14, 2006, Department letter regarding activity-level work planning and control implementation issues by Fluor Hanford, Inc. at Richland.
• April 24, 2006, Board letter regarding review of implementation of activity-level work and control by Fluor Hanford, Inc.
• February 8, 2006, Department letter forwarding the Nuclear Criticality Safety Program for Calendar Year 2005.
• February 7, 2006, Department letter commending David Grover, Board Site Representative, for his contributions to the Office of River Protection.
• January 5, 2006, Board letter establishing a 90-day reporting requirement regarding sludge stabilization and packaging system at the K-Basins at Hanford.

• December 22, 2005, Department letter regarding the Comprehensive Flowsheet Review of the Waste Treatment Plant (WTP).
• December 1, 2005, Department letter providing new information on Hanford Tank AN-107 chemistry concerns and the Department's path forward.
• November 28, 2005, Department letter forwarding the revision to Section 5.1 Hanford in the 2000-1 implementation plan, Prioritization for Stabilizing Nuclear Materials.
• October 17, 2005, Board letter regarding the Board's review of the design and construction of the Waste Treatment Plant at the Hanford Site.
• October 6, 2005, Department letter regarding the Sludge Retrieval and Disposition Project at the K-Basins.
• September 7, 2005, Board letter establishing a reporting requirement no later than January 2006 regarding the Demonstration Bulk Vitrification Project at Hanford; and a 60-day reporting requirement regarding the Office of River Protection's technical and programmatic oversight of this project.
• July 29, 2005, Department letter providing interim status on Commitments 120E and 119E in Revision 2 of implementation plan 2000-1, Prioritization for Stabilizing Nuclear Materials, which requires the transfer of sludge from the K East Basin to the K West Basin and completion of sludge containerization in the K East Basin, respectively.
• July 13, 2005, Department letter regarding laboratory studies on Double-Shell Tank (DST) corrosion at Hanford Tank Farms.
• June 1, 2005, Department letter regarding retrieval, storage, and disposal of Hanford waste drums containing Pu-238.
• June 1, 2005, Board letter establishing a 90-day reporting requirement regarding high-level waste tank integrity program for double-shell tanks (DSTs) at the Hanford Site.
• April 27, 2005, Department letter providing results of the independent Tank Farm Integrated Safety Management System (ISM) improvement validations.
• April 19, 2005, Board letter regarding seismic design criteria for the Waste Treatment Plant.
• April 19, 2005, Department letter thanking and commending Mark Sautman for his dedicated service as Board Site Representative at Hanford.
• April 8, 2005, Department letter regarding sludge retrieval and disposition issues at the K-Basin Project at Hanford.
• April 1, 2005, Department letter regarding fire protection for the Hanford Waste Treatment and Immobilization Plant.
• March 16, 2005, Department letter forwarding the report, Site-Specific Seismic Site Response Model for the Waste Treatment Plant (WTP), Hanford, Washington, addressing seismic design issues for the WTP.
• March 4, 2005, Department letter forwarding a report on The Long-Term Management of Tank Waste at Hanford.
• February 25, 2005, Department letter regarding status of activities relative to process engineering for the Waste Treatment and Immobilization Plant.
• February 14, 2005, Board letter establishing a 60-day reporting requirement regarding fire response procedures at the Plutonium Finishing Plant (PFP) at the Hanford Site.
• February 11, 2005, Board letter establishing a 60-day reporting requirement regarding Nuclear Criticality Safety issues at the Plutonium Finishing Plant.
• February 4, 2005, Board letter regarding fire protection for the Waste Treatment Plant at Hanford.
• February 4, 2005, Board letter establishing a 60-day reporting requirement regarding Sludge Retrieval and Disposition Project (SRDP).
• February 1, 2005, Department letter forwarding report on Criticality Safety for Calendar Year 2004.
• January 18, 2005, Board letter establishing a 45-day reporting requirement regarding long-term management of waste retrieval and tank space and the implementation of the Expert Panel's recommendations on Hanford Site's double-shell tank waste chemistry control.

• December 8, 2004, Department letter regarding Waste Treatment and Immobilization Plant (WTP) ventilation systems design.
• November 29, 2004, Department letter regarding a delay in the Program Plan commitments related to ground motion issues vis-a-vis to the design of the Waste Treatment Plant at the Hanford Site.
• November 24, 2004, Department letter reporting completion of Commitment 121 in Revision 2 of the 2000-1 implementation plan, Prioritization for Stabilizing Nuclear Materials, which requires the selection of a treatment process for the containerized K-West Basin sludge.
• October 27, 2004, Department letter reporting completion of Commitment 118E in Revision 2 of the 2000-1 implementation plan, Prioritization for Stabilizing Nuclear Materials, which requires the removal of spent nuclear fuel from the K-Basins, providing status of Commitment 119E, and the North Load-Out Pit sludge.
• October 22, 2004, Department letter regarding Integrated Safety Management System (ISMS) for the Hanford Tank Farms.
• September 29, 2004, Board letter regarding process chemistry and facility design for the Hanford Waste Treatment Plant.
• September 8, 2004, Board letter establishing a 60-day reporting requirement regarding Integrated Safety Management System for the Hanford tank farms.
• September 3, 2004, Department letter regarding seismic ground motion at Hanford.
• August 26, 2004, Board letter regarding electrical and instrumentation and control systems of the Waste Treatment Plant at the Hanford Site.
• August 24, 2004, Board letter regarding Waste Treatment Plant High-Level Waste Facility.
• August 3, 2004, Department letter regarding Waste Treatment and Immobilization Plant (WTP) Low Activity Waste (LAW) structural report.
• July 29, 2004, Board letter establishing a 30-day reporting requirement regarding ground motion issues at Hanford.
• July 23, 2004, Department letter informing the Board of the delay in completion of Commitment 118E in Revision 2 of the 2000-1 implementation plan which requires the complete fuel removal from the K West and K East Basins to the Cold Vacuum Drying Facility at Hanford.
• July 21, 2004, Board letter establishing a 30-day reporting requirement regarding fire protection of structural steel at the Waste Treatment Plant.
• July 21, 2004, Board letter regarding design of various ventilation systems for the Waste Treatment Plant at Hanford.
• June 18, 2004, Board letter regarding revisions to the 2000-1 implementation plan, Prioritization for Stabilizing Nuclear Materials, regarding sludge removal at Hanford's K-Basins.
• June 18, 2004, Department letter reporting completion of repackaging and welding of 358 DOE STD-3013 outer containers at Richland.
• May 25, 2004, Department letter reporting completion of Commitment 111 in Revision 2 of the 2000-1 implementation plan, Prioritization for Stabilizing Nuclear Materials, which requires the complete stabilization and packaging of oxides at Hanford.
• May 25, 2004, Department letter regarding retrieval, storage, and disposal of waste drums containing Plutonium-238 (Pu-238) at Hanford.
• May 21, 2004, Department letter responding to Board reporting requirement dated March 23, 2004 regarding fire protection and structural engineering issues at the Office of River Protection's Waste Treatment Plant at Hanford.
• May 21, 2004, Department letter responding to Board reporting requirement dated March 24, 2004 regarding hydrogen hazards related to non-Newtonian high-level waste and black cell design concept for the Office of River Protection's Waste Treatment Plant at Hanford.
• May 5, 2004, Department letter providing status on commitments from the Office of Environmental Management to the Board that are past due.
• May 3, 2004, Department letter forwarding the revised implementation plan 2000-1, Prioritization for Stabilizing Nuclear Materials.
• March 24, 2004, Board letter establishing a 60-day reporting requirement regarding hydrogen hazards related to non-Newtonian high-level waste and black cell design concept for the Office of River Protection's Waste Treatment Plant at Hanford.
• March 23, 2004, Board letter establishing a 60-day reporting requirement regarding fire protection and structural engineering issues at the Office of River Protection's Waste Treatment Plant at Hanford.
• March 3, 2004, Board letter establishing a 58-day reporting requirement requesting information and a revised implementation plan regarding sludge removal from the K-Basins relative to implementation plan 2000-1, Prioritization for Stabilizing Nuclear Materials.
• February 13, 2004, Department letter forwarding the annual report on Criticality Safety for Calendar Year 2003.
• February 3, 2004, Department letter providing an interim response to Board letter dated November 7, 2003 regarding retrieval, storage, and disposal of waste drums at Hanford.
• January 30, 2004, Board letter regarding deactivation and decommissioning activities at defense nuclear facilities.

• November 14, 2003, Department letter providing status of Environmental Management commitments on sludge removal at Hanford, low curie salt-waste processing at Savannah River Site, and the Quality Assurance Improvement Plan.
• November 7, 2003, Board letter establishing a 90-day reporting requirement regarding transuranic waste retrieval at the Hanford Site.
• October 1, 2003, Department letter reporting completion of Commitment 116 in implementation plan 2000-1 Revision 2, Prioritization in Stabilizing Nuclear Materials, which requires the complete stabilization and packaging of residues at Hanford.
• August 7, 2003, Board letter enclosing a staff issue report on the status of implementation plan 2000-2, Configuration Management, Vital Safety Systems, at the Hanford site.
• August 1, 2003, Department letter regarding the Sludge Removal Project at Hanford K-Basins.
• June 10, 2003, Department letter regarding Sludge Removal at Hanford.
• June 6, 2003, Board letter regarding exchanging plutonium material under International Atomic Energy Agency (IAEA) safeguards at Hanford with non-IAEA plutonium at Savannah River Site.
• May 30, 2003, Department letter regarding interim storage of K-Basin sludge at the Hanford 221-T building.
• May 29, 2003, Board letter regarding Office of River Protection's proposed changes to the Waste Treatment Plant Safety Requirements Document.
• May 16, 2003, Department letter regarding waste treatment and immobilization plant concrete subsidence.
• May 2, 2003, Department letter regarding completion of the Hanford Tank Integrity commitments.
• April 21, 2003, Department letter responding to Board letter dated March 7, 2003 regarding readiness preparations and readiness review process at Hanford.
• April 10, 2003, Board letter establishing a 60-day reporting requirement regarding sludge removal from the Hanford K-Basins relative to the 2000-1 implementation plan.
• April 9, 2003, Department letter regarding vapor space corrosion in high-level waste tanks.
• April 4, 2003, Board letter regarding K-Basin sludge disposition.
• March 24, 2003, Department letter informing Board of completion of stabilization and packaging of polycubes at Hanford, relative to Revision 2 of the 2000-1 implementation plan.
• March 7, 2003, Board letter forwarding a staff report reviewing Operational Readiness Reviews for the startup of K-Basin Fuel Transfer System.
• March 7, 2003, Board letter forwarding a staff issue report on electrical distribution and instrumentation and control systems for the Waste Treatment Plant at the Hanford Site.
• March 6, 2003, Department letter regarding Waste Treatment and Immobilization Plant at the Hanford Site.
• February 28, 2003, Department letter responding to Board reporting requirement dated February 6, 2003 regarding Multi-Canister Overpacks at the Hanford Spent Nuclear Fuel Project.
• February 6, 2003, Board letter establishing a 15-day reporting requirement regarding the proper sealing of the Multi-Canister Overpacks at the Hanford Site.
• January 21, 2003, Board letter enclosing a staff issue report on Ground Motion Criteria for the Hanford Waste Treatment Plant.
• January 17, 2003, Department letter responding to Board reporting requirement regarding deficiencies in safety and design basis of the Hanford Waste Treatment Plan.

• December 27, 2002, Department letter responding to Board letter dated June 5, 2002 regarding maintenance and reliable operations at the K Basis at the Hanford site.
• December 16, 2002, Board letter enclosing a staff issue report on the status of implementation plan 2000-2, Configuration Management, Vital Safety Systems at the Hanford Site.
• December 16, 2002, Board letter establishing a 45-day reporting requirement addressing the issues on the Waste Treatment Plant at Hanford.
• December 11, 2002, Department letter regarding Hanford Tank Integrity.
• December 11, 2002, Department letter regarding the review on CH2M Hill Hanford Group, Inc.'s Integrated Safety Management System.
• November 14, 2002, Board letter enclosing a summary of the Board's staff observations on High Level Waste Building "Load Path Report".
• November 4, 2002, Board letter establishing a 60-day reporting requirement addressing the deficiencies identified in the enclosed staff reports regarding safety and design basis of the Hanford Waste Treatment Plant (WTP).
• November 1, 2002, Department letter reporting completion of 2000-1 implementation plan milestone on stabilization and packaging of solutions at the Hanford Plutonium Finishing Plant (PFP).
• October 1, 2002, Department letter responding to Board letter dated September 9, 2002 regarding Waste Feed Delivery (WFD) transfer system at the Hanford Site.
• September 18, 2002, Department letter regarding seismic issues relative to the construction of the High-Level Waste Facility of the Hanford Waste Treatment Plant (WTP).
• September 9, 2002, Board letter enclosing a staff issue report on Waste Feed Delivery Transfer System at the Hanford Site.
• August 14, 2002, Department letter enclosing the Corrective Action Plan prepared by the Richland Operations Office relative to the electrical and instrument and control systems at the Hanford Plutonium Finishing Plant.
• July 30, 2002, Board letter regarding the seismic design of the Pretreatment, Low-Acitivity Waste, and High-Level Waste (HLW) Facilities of the Hanford Waste Treatment Plant (WTP).
• June 11, 2002, Board letter enclosing a staff issue report on stabilization activities at the Hanford Plutonium Finishing Plant relative to the 2000-1 Implementation Plan.
• June 5, 2002, Board letter enclosing a staff issue report on the results of a review of maintenance activities at the Hanford Spent Nuclear Fuel Project.
• May 23, 2002, Department letter forwarding the initial Phase II assessment reports from the Office of River Protection, Richland Operations Office, and Savannah River Operations Office.
• May 13, 2002, Department letter forwarding the Corrective Action Plan (CAP) and updating the Board on the annual Integrated Safety Management review of CH2M Hill Hanford Group.
• April 18, 2002, Department letter responding to Board letter dated February 15, 2002 regarding the planned Multi-Canister Overpacks (MCO) welding at the Hanford Spent Nuclear Fuel Project.
• February 15, 2002, Board letter establishing a 60-day reporting requirement regarding Multi-Canister Overpack (MCO) in relation to Recommendation 94-1, Improved Schedule for Remediation in the Defense Nuclear Facilities Complex.
• February 5, 2002, Board letter enclosing a staff issue report regarding electrical and instrumentation and control systems at the Hanford Plutonium Finishing Plant (PFP).
• January 2, 2002, Department letter responding to Board letter dated October 2, 2001 regarding Integrated Safety Management System of the CH2M Hill Hanford Group (CHG).

• October 2, 2001, Department letter responding to Board letter dated August 14, 2001 regarding the incorporation of the disposition requirements of DOE Order 430.1A in contracts at Hanford. 
• October 2, 2001, Board letter enclosing a staff issue report on the feedback and improvement programs at Hanford Tank Farms.  
• August 30, 2001, Department letter responding to Board letter dated August 29, 2000 regarding Hanford River Protection Program High-Level Waste Tank Integrity Project. 
• August 14, 2001, Board letter enclosing a Staff Issue Report on Facility Disposition Activities at the Hanford Site. [PDF] 
• May 3, 2001, Board letter forwarding a staff issue report on the resolution of technical issues in support of Waste Feed Delivery at the Hanford Site. 

• December 6, 2000, Department letter regarding the fuel removal operations from the K Basins at the Hanford Site. 
• December 6, 2000, Department letter responding to Board letter dated December 5, 2000 in relation to the fuel removal operations from the K Basins in Hanford. 
• December 5, 2000, Board letter regarding the Hanford Spent Nuclear Fuel Project relative to the vulnerabilities identified in Recommendation 94-1, Improved Schedule for Remediation. 
• November 30, 2000, Department letter responding to Board letter dated August 29, 2000 on Hanford high-level waste storage tank integrity. 
• November 3, 2000, Department letter responding to Board letter dated September 20, 2000 regarding the closure to support safe and reliable operation of the Hanford Spent Nuclear Fuel (SNF) Project facilities. 
• October 23, 2000, Department letter of appreciation for Steve Stokes, Board staff representative at the Hanford Site and the Hanford Site Cognizant Engineer, from Richland Operations Office and the Office of River Protection. 
• September 20, 2000, Board letter requesting the Department to respond to issues summarized in the enclosed staff issue report on technical issues associated with the Spent Nuclear Fuel Project, Hanford Site. 
• September 8, 2000, Board announcing the assignment of David J. Grover to succeed Steve Stokes as one of the Board Site Representatives at the Department's Hanford Site. 
• August 29, 2000, Board letter establishing a 90-day reporting requirement identifying the actions that will be taken to address the issues identified in the enclosed staff report on High-Level Waste Tank Integrity Program at Hanford Site. 
• July 10, 2000, Board letter enclosing a staff issue report on the procurement and field testing of HEPA filters at the Hanford Site in relation to the prepartion of implementation plan for 2000-2. 
• March 23, 2000, Board letter fowarding a staff issue report on the Integrated Safety Management Phase I/II Verification at Hanford's plutonium finishing plant. 
• February 29, 2000, Board letter encouraging the Department to take appropriate actions in providing the Board with timely and accurate information on the Integrated Water Treatment System at Hanford. 

• December 1, 1999, Board letter forwarding a staff issue report on hazard identification at Hanford 233-S plutonium concentration facility and establishes a 60-day reporting requirement on the decommissioning process at the 233-S Facility.
• July 22, 1999, Department letter extending an invitation to the Hanford Site Integrated Safety Management Workshop.
• May 26, 1999, Board letter regarding the Department's Integrated Project Management for the PFP Stabilization Stabilization and Deactivation Project (IPMP).
• March 29, 1999, Board letter forwarding a staff issue report on the review of technical issues related to the SNFP.
• March 25, 1999, Board letter forwarding a staff issue report regarding the schedule progress for the Hanford Spent Nuclear Fuel Project per the 94-1 implementation plan.
• February 2, 1999, Department letter forwarding its' response to the Board's letter of December 1, 1998, on the CVD Facility at Hanford.
• January 8, 1999, Board letter forwarding staff issue report on Phase I verification review of Hanford Tank Farms ISMS (95-2).

• March 20, 1998, Department letter forwarding response to Board's letter dated February 25, 1998, concerning electrical, control and fire protection at Hanford.
• March 18, 1998, Board forwards staff issue report on the review of  spent nuclear fuel project at the Hanford site. February 3-5, 1998) (Rec. 94-1).
• March 13, 1998, Department letter forwarding notification regarding DOE, Richland Operations Office Senior point-of-contact to the DNFSB.
• February 25, 1998, Board letter forwarding trip report on the review of electrical, control, and fire protection systems at the Hanford Spent Nuclear Fuel Project, dated January 7, 1998. December 9-11, 1997.

• June 18, 1997, Board letter forwarding trip report on the Work Planning and Conduct of Operations at N Basin, dated April 21, 1997 and Work Planning and Implementation at Bechtel Hanford Incorporated Activities, dated April 18, 1997.
• May 2, 1997, Board letter forwarding a trip report on the Review of the Tank Waste Remediation System, dated April 10, 1997.
• April 14, 1997, Board letter forwarding a trip report on the Recent History of Configuration Management Problems. . . and Contributing Causes, dated February 24, 1997.

• December 31, 1996, Board staff trip report on the Review of Hanford High-Level Waste Tank Safety Issues.
• December 5, 1996, Board staff trip report on the Status of Spent Nuclear Fuel Project.
• September 16, 1996, Board staff trip report on the Review of Tank Farms Draft Basis for Interim Operations.
• July 24, 1996, Board staff trip report on the Status of Plutonium Residue Stabilization.
• July 15, 1996, Department letter forwarding response to Board's June 11, 1996, trip report on reviewing the Hanford Canister Storage Building.
• July 12, 1996, Board staff trip report on the Review of Hanford Implementation of Board Recommendation 92-4.
• June 17, 1996, Board letter forwarding a staff trip report on Review of Hanford Tank Safety Issues, dated March 28, 1996.
• July 11, 1996, Board staff trip report on the Update on Flammable Gas and Lightning Mitigation Issues for High-Level Waste Tanks.
• June 11, 1996, Board letter forwarding a staff trip report on Structural Review of the Canister Storage Building.
• June 10, 1996, Board staff trip report on the Spent Nuclear Fuel Project - Operational Readiness Review Planning and Vulnerability Assessment.
• June 7, 1996, Board staff trip report on the Safety of Cesium and Strontium Capsules.
• April 29, 1996, Board staff trip report on the Review the Status of the Spent Nuclear Fuel Project.
• May 10, 1996, Board letter forwarding a staff trip report on Safety Issues Associated with the Proposed Retrieval of High-Level Waste from Tank 241-C-106, dated December 13, 1995.
• March 1, 1996, Board letter forwarding a staff trip report on Review of Hanford Tank Farms Authorization Basis and Tank Waste Processing, dated January 12, 1996.
• February 8, 1996, Board letter forwarding a staff trip report on Process Hazards Review of the Hanford Site Plutonium Finishing Plant (PFP) Vertical Calciner. (Report dated October 2, 1995)
• February 8, 1996, Board letter forwarding a staff trip report on Review of Hanford Tank Farms Operations and Implementation of Recommendation 92-4. (Report dated July 25, 1995)
• January 22, 1996, Board letter forwarding a staff trip report on Review of Hanford Site High-Level Waste Tank Accelerated Safety Analysis and Flammable Gas Safety Issue, dated November 29, 1995.

• December 5, 1995, Board letter forwarding DOE/RL Report 95-55, Control of Tank Farms Criticality Authorization Basis.
• November 20, 1995, Board staff trip report on structural review of the proposed canister storage building at Hanford.
• August 21, 1995, Board staff report on Hanford emergency response exercise "Oz".
• August 8, 1995, Board staff trip report on Hanford Site High-level tank safety and characterization.
• July 31, 1995, Board staff trip report on Hanford systems engineering and implementation of recommendation 92-4.
• June 27, 1995, Board staff report on the status of Hanford Site high-level waste tank characterization program technical basis.
• April 26, 1995, Board staff report on Hanford Site high-level waste tank safety and characterization.
• April 11, 1995, Board staff report on DOE-Richland Operations Office oversight of DOE Order 5480.21, Unreviewed Safety Questions.
• February 28, 1995, Board staff trip report on Review of PNL's Hanford 300 Area Facilities.
• February 9, 1995, Board staff trip report on review of Hanford Site plutonium vulnerability assessment findings.

• December 13, 1994, Board letter forwarding staff trip report on the program to characterize Hanford's high level radioactive waste storage tanks.
• November 28, 1994, Board staff trip report: Hanford systems engineering review.
• November 23, 1994, Board staff trip report review of preparations to install K-Basin chute barriers at Hanford.
• October 4, 1994, Board staff trip report review of systems engineering activities at Hanford.
• October 20, 1994, Board staff trip report on Hanford Plutonium Finishing Plant Interim Actions.
• September 14, 1994, Board staff trip report on Hanford supplementary emergency response exercise report.
• August 10, 1994, Board staff trip report to review the Laboratory support for recommendation 93-5 at the Hanford Site.
• July 29, 1994, Board staff trip report on review of implementation of DNFSB Rec. 93-5 at the Hanford Site, July 19-21, 1994.
• July 27, 1994, Board staff trip report on pilot transuranic waste retrieval/characterization at the Hanford Site.
• June 30, 1994, Board staff trip report on Hanford- PFP Ventilation System (May 24-26, 1994).
• June 23, 1994, Board staff trip report on Hanford Emergency Response Exercise Fraser.
• June 6, 1994, Board staff trip report - review of implementation of DNFSB Recommendation 93-5 at the Hanford Site.
• May 31, 1994, Board acknowledgement of Hanford site representative and trip report on safety issues.
• May 31, 1994, Board staff trip report on Hanford K-East Basin.  April 11-15, 1994 and May 3, 1994.
• May 12, 1994, Board staff trip report on waste management at the K-East Basins at the Hanford Site.
• May 11, 1994, Board letter forwarding review of the Hanford Site (Recommendation 93-5).
• May 11, 1994, Board staff trip report on radiation protection program at Hanford.
• May 5, 1993, Board trip report to Hanford.
• April 28, 1994, Department letter responding to Board's January 27, 1994 trip report.
• April 22, 1994, Board staff trip report review of implementation of 93-5 at Hanford.  March 28-31, 1994.
• March 29, 1994, Board staff trip report on review of Hanford facility representative program.
• March 25, 1994, Board staff trip report on storage of spent ion exchange columns from the Hanford Site.
• March 23, 1994, Board staff trip report on initial review of fuel encapsulation activities at the Hanford K-East Basin.
• March 11, 1994, Board staff trip report on Hanford Site spent fuel storage.
• March 8, 1994, Board staff trip report on Hanford K Basins Structural and Seismic Review.
• February 25, 1994, Board staff trip report on development and implementation of S/RIDs at Hanford high level waste storage tanks.
• February 22, 1994, Board staff trip report on review of plutonium uranium extraction (PUREX) facility material unaccounted for (MUF).
• January 27, 1994, Board letter on observations from staff trip report K-Basins at Hanford.  November 16-18, 1993.
• January 25, 1994, Board staff trip report on solid waste operations at the Hanford Site.
• January 18, 1994, Board staff trip report reviewing the corrective action process at the Hanford Site.

• December 22, 1993, Board staff trip report on training and qualification at the Hanford Site.
• November 23, 1993, Board staff trip report on Spent Fuel Storage Basins at HAN, INL, and SRS.
• October 15, 1993, Board staff trip report on Hanford Emergency Response Exercise Fremont.
• October 6, 1993, Board staff trip report on efforts to determine whether Hanford tank 241-SX-102 is leaking.
• August 20 1993, Board Staff's observations following a visit to the Hanford site. June 14-17, 1993.
• July 19, 1993, Board staff trip report reviewing the Hanford Plutonium Finishing Plant.
• May 5, 1993, Board staff trip report to Hanford by Board members Chairman Conway and Joe DiNunno.
• April 1, 1993, Board letter transmitting staff trip report to Hanford. January 26-28, 1993.
• March 30, 1993, Board staff trip report review of the Multi-function Waste Tank Facility at the Hanford Site.
• March 10, 1993, Board staff trip report review of High Level Waste Tank safety issues at the Hanford Site.

• November 4, 1992, Board forwards staff trip report on ALARA assessment for Hanford.
• September 18,1 992, Board forwarding staff trip report on UNH Neutralization Project at Fernald.
• October 30, 1992, Board letter forwarding staff trip report at Hanford.
• July 9, 1992, Board forwards staff trip on Hanford Site Evaporator. May 18-21, 1992.
• July 7, 1992, Board letter forwarding staff trip report on operator training and qualification at Hanford.  June 15-18, 1992.
• May 20, 1992, Board letter forwarding staff trip report on Tank Farm Operations at Hanford.  March 23-27, 1992.
• May 19, 1992, Board letter forwarding staff trip report on Hanford operations and training review.  March 16-18, 1992.
• April 24, 1992, Board staff trip report on radiological and environmental safety programs at Hanford.

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