Departmental Representative to the Defense Nuclear Facilities Safety Board

Recommendation 93-5, Hanford Waste Tank Characterization Studies

93-5 BY YEAR: 1999 1998 1997 1996 1995 1994 1993
This page last updated Wednesday, December 8, 2004

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• Board Recommendation:  from Chairman Conway to Secretary O'Leary, dated July 19, 1993.
• Department Response:  from Secretary O'Leary to Chairman Conway, dated August 31, 1993.
• Department Implementation Plan:  dated February 23, 1994. Revision 1, dated June 17, 1996.
• Department Closure Proposal:  dated October 29, 1999.
• Board Closure:  dated November 15, 1999.

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• November 15, 1999, Board letter closing Recommendation 93-5, Waste Tanks Characterization Studies.
• October 29, 1999, Department letter forwarding proposal to close Recommendation 93-5 and enclosure of justifications for this proposal.
• October 27, 1999, Department letter forwarding quarterly report for July through September 1999 on Recommendation 93-5 Implementation Plan.
• September 24, 1999, Department letter forwarding milestone 5.4.3.6.d per the 93-5 implementation plan.
• July 29, 1999, Department letter forwarding the Quarterly Report for April-June, 1999, per the 93-5 implementation plan.
• July 8, 1999, Department letter forwarding milestone 5.6.3.1j per the 93-5 implementation plan.
• April 29, 1999, Department letter forwarding the quarterly report per the 93-5 implementation plan.
• April 15, 1999, Department letter forwarding milestones 5.4.3.4d, 5.4.3.4e, and 5.4.3.4f per the 93-5 implementation plan.
• April 6, 1999, Department letter forwarding milestone 5.4.3.1.d per the 93-5 implementation plan.
• January 29, 1999, Department letter forwarding milestone 5.4.3.1.D per the 93-5 implementation plan.
• January 29, 1999, Department letter forwarding the quarterly report per the 93-5 implementation plan.

• December 28, 1998, Department letter forwarding revision 1, milestone 5.6.3.1i per the 93-5 implementation plan.
• November 25, 1998, Department letter forwarding the completion of milestone 5.4.3.6.c per the 93-5 implementation plan.
• October 29, 1998, Department letter forwarding the quarterly status report for July through September 1998 per the 93-5 implementation plan.
• July 28, 1998, Department letter forwarding the 93-5 Quarterly Report for April through June 1998.
• July 22, 1998, Department letter forwarding milestone 5.6.3.1.h per the 93-5 implementation plan.
• April 29, 1998, Department letter forwarding completion of milestone 5.4.3.1.d per the 93-5 implementation plan.
• April 27, 1998, Department letter forwarding the quarterly report for January through March 1998 per the 93-5 implementation plan.
• March 27, 1998, Department letter forwarding completion of milestones 5.5.6.1.a and 5.6.3.1.g (enclosed) for the 93-5 implementation plan.
• March 26, 1998, Department letter informing Board of delay in completing milestone 5.4.3.1.d for the 93-5 implementation plan.
• January 27, 1998, Department letter forwarding the 93-5 implementation plan quarterly report for October - December, 1997.
• January 7, 1998, Department letter providing completion of milestone 5.4.3.5d for 93-5 implementation plan.

• November 14, 1997, Department letter forwarding completion of milestones for revision of  95-5 implementation plan.
• November 11, 1997, Department letter forwards completion dates to complete the milestones on High-Heat Safety for the 93-5 implementation plan.
• October 31, 1997, Department letter providing notification of completion of 93-5 implementation plan, milestone 5.6.3.1.f.
• October 22, 1997, Department letter providing notification of completion of 93-5 implementation plan, milestone 5.6.3.1.e.
• October 3, 1997, Department letter providing notification of completion of 93-5 implementation plan, revision 1 milestone 5.4.3.6.b.
• July 31, 1997, Department letter transmitting the Quarterly Report for April - June, 1997.
• June 27, 1997, Department letter forwarding completion of milestone 5.4.3.3.a per the 93-5 implementation plan.
• June 13, 1997, June 13, 1997, Department letter reporting completion of milestone 5.4.3.1.d. per the 93-5 implementation plan.
• June 6, 1997, Department letter forwarding completion of milestone 5.6.3.1.d. for implementation plan 93-5.
• May 27, 1997, Department letter providing notification of completion of 93-5 implementation plan, milestone 5.4.3.5.1.
• May 9, 1997, Department letter forwarding the updates for the Historical Tank content estimates.
• April 30, 1997, Department letter forwarding the Quarterly Report for January - March, 1997.
• April 4, 1997, Department letter reporting delays in the completion of 93-5 implementation plan, milestone 5.4.3.5.d.
• March 28, 1997, Department letter providing notification of completion of 93-5 implementation plan, milestone 5.4.3.5.k.
• February 10, 1997, Department letter forwarding Quarterly Report for 93-5 implementation plan, for the period of October 1 - December 31, 1996.
• January 31, 1997, Department letter reporting delay in submission of the Quarterly Report (October - December 1996).
• January 30, 1997, Department letter providing notification of completion of 93-5 implementation plan, milestone 5.4.3.5.h.
• January 30, 1997, Department letter providing notification of completion of 93-5 implementation plan, milestone 5.4.3.5.f.
• January 30, 1997, Department letter providing notification of completion of 93-5 implementation plan, milestone 5.6.3.1.c.

• December 31, 1996, Board forwards staff trip report on high-level waste tank safety at Hanford (trip conducted December 2-6, 1996).
• December 31, 1996, Department letter providing notification of delay in completion of milestone 5.4.3.5.d.
• December 31, 1996, Department letter providing notification of delay in completion of milestone 5.4.3.5.h.
• December 30, 1996, Department letter providing notification of completion of milestone 5.4.3.1.c.
• December 24, 1996, Department letter providing notification of completion of milestone 5.4.3.3.a.
• December 24, 1996, Department letter providing notification of completion of milestone 5.4.3.5.i.
• December 23, 1996, Department letter providing notification of completion of milestone 5.4.3.4.c.
• December 18, 1996, Department letter providing notification of completion of milestone 5.4.3.5.j.
• December 18, 1996, Department letter transmitting the Tank Waste Remediation System Approved Basis for Interim Operation report.
• December 17, 1996, Board letter approving DOE's report entitled "Assessment of the Potential for Ferrocyanide Propagating Reaction Accidents."
• December 2, 1996, Department letter notifying the Board of intent "to close the ferrocyanide safety issue at Hanford," signed by Assistant Secretary Alm.
• November 19, 1996, Department letter providing notification of completion of milestone 5.6.3.1.b.
• November 12, 1996, Department letter providing notification of completion of milestone 5.4.3.5.g.
• November 4, 1996, Department letter forwarding the Quarterly Report for the period July 1 - September 30, 1996.
• October 31, 1996, Department letter reporting approval of safety assessment for saltwell pumping in flammable gas tanks for 93-5 implementation plan, milestone 5.4.3.5.e.
• October 30, 1996, Department letter providing notification of completion of commitment 5.4.3.6.a.
• October 21, 1996, Department letter providing notification of completion of milestone 5.4.3.4.a.
• October 21, 1996, Department letter providing notification of completion of milestone 5.4.3.4.b.
• October 3, 1996, Department letter providing notification of completion of milestone 5.4.3.5.d.
• September 27, 1996, Department letter providing notification of completion of milestone 3.4.3.5.c.
• September 23, 1996, Department letter providing notification of completion of milestone 5.4.3.2.a.
• September 4, 1996, Board letter accepting the revised implementation plan, and the closing of Recommendation 90-7.
• August 30, 1996, Department letter providing notification of completion of milestone 5.4.3.1.b.
• August 19, 1996, Department letter transmitting information to complete milestone 5.4.3.5.b.
• July 31, 1996, Department letter responding to the Board's review of Hanford tanks safety issues, signed by Assistant Secretary Alm.
• July 19, 1996, Department letter transmitting the quarterly report for April - June 30, 1996.
• July 15, 1996, Board letter providing Board staff trip report on Los Alamos National Laboratory activities in support of the Hanford Tank Waste Remediation System. (Report dated: May 17, 1996)
• July 11, 1996, Board staff trip report which reviews the status of Flammable Gas and Lightning Mitigation Issues for the Hanford Site High-Level Waste Tanks.
• June 30, 1996, Department letter providing notification of completion of milestone 5.4.3.1.a.
• June 30, 1996, Department letter providing notification of completion of milestone 5.4.3.5.a.
• June 17, 1996, Department letter forwarding Revision 1 of the 93-5 Implementation Plan.
• March 5, 1996, Department letter replying to Congressman Joe Bartons concerns with 93-5 implementation plan concerning privatization issues at the Hanford site.
• March 1, 1996, Department letter regarding revision to 93-5 implementation plan.
• February 29, 1996, Department letter forwarding Westinghouse proposed 93-5 implementation plan revision 1.
• February 28, 1996, Department letter of transmittal of Commitment 1.10 Quarterly Report.
• January 11, 1996, Department letter notifying delay in completion of the sampling and analysis of all watch list tanks.
• January 8, 1996, Department letter regarding the status of commitments 1.5 and 1.2.3.

• December 8, 1995, Department letter of response regarding Tank Waste Remediation System Risk Acceptance Criteria document for 93-5 implementation plan.
• December 5, 1995, Department letter forwarding quarterly report for 93-5 implementation plan.
• December 5, 1995, Department letter transmitting the 93-5 implementation plan monthly report for the month of August.
• December 5, 1995, Department letter providing an update of the Tank Layer Model, Revision 1 for 93-5 implementation plan.
• December 5, 1995, Department letter transmitting the 93-5 implementation plan monthly report for the month of September.
• December 5, 1995, Department letter forwarding status of 93-5 implementation plan, commitment 1.16.
• October 24, 1995, Board letter rejecting RLOO's "Tank Waste Remediation System Risk Acceptance Criteria."
• October 20, 1995, Department letter providing notification of completion of 93-5 implementation plan, commitment 1.20.
• September 29, 1995, Department letter providing notification of completion of 93-5 implementation plan, commitment 1.21.07.
• September 29, 1995, Department letter providing notification of completion of 93-5 implementation plan, commitments 1.21.8 and 2.1.
• September 29, 1995, Department letter providing notification of completion of 93-5 implementation plan, commitment 1.20.
• August 2, 1995, Board letter acknowledging closure of commitments 5.1 and 5.4 from the 93-5 implementation plan.
• July 11, 1995, Department letter requesting deletion of commitments 5.1 and 5.4 from the 93-5 implementation plan.
• May 10, 1995, Department letter transmitting the Quarterly Report of January 1- March 31, 1995 concerning 93-5 implementation plan on the characterization program.
• April 10, 1995, Department letter of response concerning the characterization program in the 93-5 implementation plan.
• February 23, 1995, Board letter regarding changes in measures in connection with characterization of high level nuclear waste in buried tanks at the Hanford site.
• February 22, 1995, Department letter regarding slow rate of meeting commitment under the 93-5 implementation plan.

• December 29, 1994, Department letter transmitting the 93-5 implementation plan characterization program monthly report for the month of November.
• December 29, 1994, Department letter transmitting the 93-5 implementation plan characterization program monthly report for the month of October.
• December 1, 1994, Department letter transmitting the 93-5 implementation plan characterization program monthly report for the month of September.
• November 2, 1994, Department letter transmitting the 93-5 implementation plan characterization program Quarterly Report.
• August 22, 1994, Department letter transmitting the 93-5 Quarterly Report.
• June 30, 1994, Department letter transmitting deliverable for commitment 5.10 for 93-5 implementation plan.
• June 30, 1994, Department letter transmitting deliverable for commitment 5.11 for 93-5 implementation plan.
• June 30, 1994, Department letter transmitting the review of the characterization field procedures, as part of 93-5 implementation plan, commitment 3.2.
• June 30, 1994, Department letter forwarding the deliverable to satisfy 93-5 implementation plan, commitment 3.15.
• June 27, 1994, Department letter forwarding the Milestone Status Report and schedule for outstanding deliverables.
• June 24, 1994, Board letter regarding the Department's Characterization Program Quarterly Report for Recommendation 93-5.
• June 23, 1994, Department letter transmitting the customer needs analysis for 93-5 implementation plan, commitment 6.1.
• June 6, 1994, Department forwards its Characterization Program Quarterly Report for 93-5 implementation plan.
• June 1, 1994, Department letter forwarding deliverable for 93-5 implementation plan, commitment 1.9.
• May 26, 1994, Department letter providing notification of completion of 93-5 implementation plan, commitment 1.20.
• May 25, 1994, Department letter forwarding deliverable to complete 93-5 implementation plan, commitment 1.12.
• May 11, 1994, Board letter forwarding review of the Hanford Site (Recommendation 93-5).
• March 25, 1994, Board letter acknowledging receipt of  DOE's implementation plan for recommendation 93-5.
• February 23, 1994, Department letter forwarding the 93-5 implementation plan, which incorporates final comments and corrections.
• January 21, 1994, Department letter forwarding the implementation plan for Recommendation 93-5.

• December 9, 1993, Department letter requesting a 45-day extension on the implementation plan for recommendatin 93-5.
• August 31, 1993, Department letter accepting Recommendation 93-5.
• July 19, 1993, Board letter forwarding Recommendation 93-5, Hanford Waste Tanks Characterization Studies.