Idaho Cleanup Project Update Leadership in Nuclear Energy Commission

The update includes information on successful simulant runs, upcoming activities for the Integrated Waste Treatment Unit, CH-TRU shipping status, and settlement agreement on TRU waste production. Key points covered are demonstrated process reliability, maintenance outage status, upcoming plant activities, and TRU waste shipment progress.

• Idaho
• Cleanup
• Nuclear Energy
• Commission
• TRU Waste

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1. Idaho Cleanup Project Update Leadership in Nuclear Energy Commission Jim Malmo Assistant Manager Idaho Cleanup Project Oct. 10, 2018 www.energy.gov/EM 1

2. Agenda Successful simulant run for Integrated Waste Treatment Unit Stored transuranic waste shipments continue to WIPP Targeted buried waste exhumation resumes Investigation conducted into ARP V drum incident www.energy.gov/EM 2

3. Integrated Waste Treatment Unit Status Simulant Run 2 was successful and proved the process will work Demonstrated reliable Denitration Mineralization Reformer (DMR) fluidization Observed very consistent bed temperatures. Demonstrated average bed particle size can be controlled with periodic seed particle addition mean particle size ranged from 190 250 . Auger-grinder functioned well product transfer rates improved. Feed online efficiency >95%. Particle size of the simulated waste product was successfully managed during the simulant run. www.energy.gov/EM 3

4. Integrated Waste Treatment Unit Status Currently in a maintenance outage Experienced buildup of material on the Process Gas Filter (PGF) elements. Photo illustrates buildup in the Process Gas Filters. www.energy.gov/EM 4

5. IWTU Upcoming Activities Resolve Process Gas Filter (PGF) performance Conduct offsite analysis and testing. Clean and replace filters. Implement operational changes as needed. Conduct Simulant Run 3 Anticipate 50 day period of simulated feed on. Verify satisfactory plant operations during long term operations at baseline conditions at/or near boundary conditions. Finalize Plan for Phases 3 and 4 Outage J Additional plant modifications and equipment maintenance. Confirmatory Run Shakedown of Outage J Mods and establish carbonate bed using simulant. System Performance Test EPA/DEQ oversight, establish permit conditions using tank waste. 5 www.energy.gov/EM 5

6. CH-TRU Shipping Status Idaho is making 6-8 shipments of CH-TRU per week to WIPP. Idaho continues to ship 4 shipments per week of M/LLW to other disposal sites. www.energy.gov/EM 6

7. Settlement Agreement TRU Production Status 14,000 Waste Requiring Treatment (m3) Shipment of TRU Waste to WIPP Resumed April 2017 Treated and Awaiting Certification (m3) 13,000 Treated, Certified, and Awaiting Shipment (m3) Work Off Curve Fluor-Idaho Baseline 12,000 *A *A *B *B 2,005m3Certified TRU backlog 2,969m3Needs additional Certification WIPP WAC Revision 8 Juiy 2016 11,000 10,000 Cubic Meters Remaining to be Shipped or Certified 9,000 7,880m3remaining to ship out of Idaho 8,000 7,000 *A Operations Under Fluor Idaho Begin 5,874m3remaining to certify and ship out of Idaho 6,000 Completion Milestone - Idaho Settlement Agreement 5,000 *B Completion Milestone - ICP Core 4,000 2,905m3untreated waste 3,000 2,000 1,000 0 5/31/16 7/31/16 9/30/16 11/30/16 1/31/17 3/31/17 5/31/17 7/31/17 9/30/17 11/30/17 1/31/18 3/31/18 5/31/18 7/31/18 9/30/18 11/30/18 1/31/19 3/31/19 5/31/19 www.energy.gov/EM 7

8. CH-TRU Waste Repackaging in ARP VII Key Activities: Large Item repackaging continues in ARP VII. Upcoming Activities: Complete waste repackaging and explore use of facility to complete sludge waste treatment. Crews decontaminate the back-up roller for disposal as M/LLW. Excavator removing large item from fiberglass reinforced waste box. Crews decontaminate the machinery items for disposal as M/LLW. www.energy.gov/EM 8

9. Waste Treatment in ARP IX (Completed) Drum of roaster oxide waste on the treatment table. Excavator bucket raking roaster oxides to ensure treatment. Key Activities: Roaster oxide waste was treated and repackaged for disposal. Upcoming Activities: Turn over facility to make preparations for return to targeted waste exhumation. www.energy.gov/EM 9

10. Key Scope: FY 18 Buried Waste Exhumation Performance Waste Exhumation (Acres) (FYTD) as of September 30, 2018 Overall, exhumation remains about two years ahead of the regulatory schedule. Buried Waste Exhumation was intentionally delayed so exhumation crews could support AMWTP ISA waste processing in the ARPs. In addition, the exhumation was placed in a safety step-back from April 11 through August 23 as a result of the ARP V drum incident. www.energy.gov/EM 10

11. ARP VIII Footprint Exhumation Status 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 A 94 A 12 40 69 B 65 94 122 151 180 208 225 225 225 210 B 9 37 C 28 148 176 205 224 225 225 225 225 225 225 225 225 225 225 197 C 36 225 225 225 225 225 225 225 225 225 225 225 225 225 225 184 D 97 121 225 225 225 225 225 225 225 225 225 225 225 225 225 225 171 E D E 3 15 27 38 50 62 74 85 85 157 169 181 193 204 216 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 158 F G 122 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 145 G H 113 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 132 H I 104 225 225 225 225 225 225 221 211 201 191 180 170 160 150 140 130 120 110 100 90 J 28 56 46 36 26 16 6 K 2 15 24 40 112 128 144 160 175 190 205 220 225 225 225 225 225 225 225 225 L 124 225 222 60 33 49 64 79 95 110 126 141 184 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 M 138 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 N 153 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 O 167 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 P 5 20 37 53 69 85 102 118 134 151 167 183 199 216 225 225 225 225 225 225 225 225 225 225 225 225 225 225 225 Q F I 80 69 59 71 225 225 225 225 225 225 119 J 10 59 225 225 225 225 225 225 106 93 K L 80 67 M 55 N 42 O 29 P 16 Q 32 7 17 27 18 19 40 55 20 21 70 22 84 99 114 129 143 158 175 192 211 23 24 25 26 27 28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 29 30 31 Remaining -SQ FT Exhumed -SQ FT www.energy.gov/EM 11

12. ARP V Drum Incident In April of this year, four drums experienced over pressurizing event, ejecting the lids. No injuries or external release of contamination. ARP V facility is undergoing cleanup. All loose material was safely cleaned up and placed in 55-gallon drums. Cleanup of the floor and horizontal surfaces in the airlock is complete. Cleanup in the airlock in the high, hard-to-reach areas is ongoing. An investigation into the cause of the incident has been conducted. Photo shows one of the drums involved in the ARP V over-pressurization event (foreground). www.energy.gov/EM 12

13. ARP V Drum Incident (continued) InvestigationPrelimary Results: Causal Analysis investigation conducted Root cause of the incident was oxidation of a reactive metal (depleted uranium) which heated up the waste and started a secondary reaction. Changes have been made in waste handling procedures for the start up of the ARP-VIII facility. Workers vacuum up loose material ejected from the drums. Changes in sludge processing are still being evaluated. www.energy.gov/EM 13

14. ARP V Evolution Earlier photo of the ARP V location where the April 11 drum event occurred. The affected area of ARP V following bulk cleanup. ARP V just days after the April 11 drum event. www.energy.gov/EM 14