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STOCKPILE MANAGEMENT PROGRAM EXECUTIVE SUMMARY TOTAL COST TABLE

WBS LEVEL 1.7.0 SUMMARY

WBS PROJECT TITLE BUDGET FY 98

1.7.1 Program Support 5996 Total 5996

FY TO DATE ($k) ACTUAL + BUDGET ALLOCATION ACTUAL ACT - BUD ACT+ COM COM BUD

2998 5996 2747 -251 2747 -251 2998 5996 2747 -251 2747 -251

2nd Quarter 1998

STOCKPILE MANAGEMENT PROGRAM VARIANCE REPORT

PROJECTS WITH VARIANCE > 15% AND > $200k

WBS LEVEL 1 .O.O SUMMARY I I I I I

lwBs I GRAND TOTAL

COST VARIANCE COST VARIANCE I $ k 1 %

COMMENTS

I 3.71 11 .O.O IStockpile Management Program 3474

WBS LEVEL 1.1 .O SUMMARY

WBS PROJECT TITLE COMMENTS COST VARIANCE COST VARIANCE $k %

1.1.6 Non-Nuclear Component Production -1067 -18.66 NTTL schedule not received from Sandia and JTAs waiting for design agency product specification.


WBS PROJECT TTTLE COMMENTS COST VARIANCE COST VARIANCE $k %

1.3.2 Chemistry & Metallury Research (CMR) Facility 3602

1.3.3 TA-18 Facility (LACEF) 302 20.79 Additional costs lor readiness assessments and USQDs.

50.03 CMR resumption costs are higher to meet DOE present expectations for nuclear facility operations.

WBS LEVEL 1 S.0 SUMMARY

PROJECTTITLE 1 COST\TANCE COSTVARIANCE 1 % COMMENTS

1.5.1 IManufacturing Technology -300 -37.39 IPlan to revise allocation and shift funds to 1.5.2 where work scope has increased.

1.5.2 I Dismantlement & Containers 321 31.99 lWork scope has changed and allocation will be increased in Allocation 4. I I


WBS PROJECT TITLE COMMENTS COST VARIANCE COST VARIANCE $k %

Contractor. Fluor Danial Inc.. just now beginning to participate in a malor way. March commitments reflect this increased effort. -391 -19.69 Capability Maintenance & Improvement Project

(OPC) 1.6.1

;1.8.3 CMR Upgrades (OPC) 339 25.45 Contractor costs required to complete REA in firs1 half Of Year.

2nd Quarter I998

STOCKPILE MANAGEMENT PROGRAM EXECUTIVE SUMMARY

Accomplishmentsfissues (2nd Quarter)

1.1.0 Directed Production

1.1.6 Nonnuclear Components -- Neutron Tube Target Loading (1.1.6.1) - NTTL hardware, manufacturing processes, and personnel were certified to produce war reserve (WR) neutron tube targets. Completed the last of the process prove-in targets received from Sandia before beginning war reserve target loading.

Shipped the first war reserve (WR) MC4277 loaded targets to Sandia.

Detonators and Simulators (1.1.6.2) - Refurbished the two rooms assigned to AlliedSignal for bridgewire work. Released Chamber 5 handbook and mechanical safe and arm detonator (MSAD) test procedures to the on-line production systems. Completed initial PRT meetings on the lE33, MC3730, MC3366, and lE34. Delivered the process prove-in lot of pellet/can assemblies for the MC3739/40 MSAD detonator to AlliedSignal. Fabricated a second WR lot of pulse switches.

Terrazzo/Beryllium (1.1.6.3) - Completed machining of the remaining advanced build Terrazzo inserts to be shipped to Kansas City.

Joint Test Assembly (JTA) Pits (1.1.6.4) - Developed a preliminary process flow sheet/Gantt chart for the latest Type 125 structural mock pit. Completed mock pit Product Realization Team (PRT) sessions for two pit types.

2nd Quarter 1998

1.1.7

1.1.9

STOCKPILE MANAGEMENT PROGRAM EXECUTIVE SUMMARY

BerylliudAluminum Development (1.1.6.C) - Received extruded Be-A1 alloy tubes from Starmet, a potential CRADA partner, and prepared polished cross sections for metallographic analysis.

Issues: Neutron Tube Target Loading (1.1.6.1) Sandia WR target shipping schedule will require additional personnel.

Joint Test Assembly (JTA) Pits (1.1.6.4) - Type 125 retubulation is a new task and fbnding has not been identified. Project is presently underrunning because design agency has not completed product specification.

Manufacturing Management - Manufacturing Management Office (MMO) (1.1.7.1) - Negotiated and verified directive schedule requirements with DOE, other production plants, and Los Alamos system personnel. Participated in a number of program reviews and provisioning meetings. Trained 25 personnel on IFS Enterprise-Wide Resource Planning System (EM).

Enterprise-Wide Resource Planning (ADAPT) (1.1.7.2) - ERP procurement update is 50% complete.

Weapons Quality Office (WQO) - Completed three quality assurance surveys. Appointed a project leader for Quality Implementation of Pit Production. Successfully collaborated with AlliedSignalRederal Manufacturing and Technology quality

2nd Quarter I998

STOCKPILE MANAGEMENT PROGRAM

PROGRAM MANAGER/ PRINCIPAL TITLE WBSICODE PROJECT LEADER INVESTIGATOR Nuclear Materials Recycle 1.4.2KR2 R. EricksodK. Fife K. Fife/J. NielsedW. Dworzald and Recovery D. Wedman

Prepared safetyhpecial work permits (SWPs) and upgraded training in order to unpack Mound 8 UC-609 containers staged in the basement of PF-4. Unpacked two UC-609s and shipped empty containers to Savannah River Site (SRS) for preparation for further clean up of the Mound site. Accelerated work on the SRL and delayed certain maintenance operations to accommodate the rapid turnaround of these containers per DOE/AL instructions.

Electrolytic Decontamination (1.4.2.6) - Completed oralloy decontamination system repairs. The alpha survey equipment utilized in the counting of surface smears to verify decontamination has been repaired and is now fully functional. Processed a half dozen parts, with 2 or 3 meeting Y-12 criteria. Continue to vary the decontamination technique to improve this ratio, but current prototype system design is obsolete and leads to the recontamination of parts. Designed and assembled the TA-46 replacement decontamination system for cold testing. Continued with the upgrade that includes automated valves and increased process controls. Preparing a list of parts to be shipped or anticipated to be shipped to Y-12 by June 1 and scheduled a meeting with Y-12 in mid April to discuss logistics of the proposed shipments.

Freeze Dry (1.4.2.7) - Complete the delivery, installation, and initial testing of the prototype freeze dryer. Completed the ribbon cutting ceremony with the CRADA partner, BOC Edwards Calumatic.

2nd Quarter 1998


I K. Fife/J. Nielsen/W. DworzaW D. Wedman R. EricksodK. Fife

PROGRAM MANAGER/ PFUNCIPAL TITLE I PROJECT LEADER I INVESTIGATOR I Nuclear Materials Recycle and Recovery

Issues:

Plutonium Stabilization and Recovery ( 1.4.2.1) - Aqueous processing during second quarter FY 1998 was adversely affected by rolling stand-down of Room 401 (completed in early February), lack of craft support to complete maintenance on the RFX ion exchange system in Room 401, off-gas scrubber associated with the thermal decomposition unit in Room 420 (both completed in March), chemistry problems with the aqueous chloride solvent extraction and ion exchange systems for plutonium recovery in Room 420 (investigations continue), and maintenance activities on the LR ion exchange system in Room 409 (ongoing). As a result, progress towards completing the previously missed milestone 3.2-03 5 continues at a reduced rate. With many of these problems solved during the quarter, progress towards meeting the milestone should improve beginning in April.

ULISSES (ADAPT) (1.4.2.3) - Title I and Title I1 drawings for ULISSES utilities systems are being severely impacted by the CMR resumption efforts. All resources are being used to write the BIO and TSRs for the CMR Facility.

Uranium Process Chemistry (ADAPT) (1.4.2.4) - Activity not yet in normal operations.

Electrolytic Decontamination (1.4.2.6) - Issues remain unresolved on the ability of Los Alamos to support Rocky Flats inventory reduction of highly enriched uranium (HEU) parts. Issues include acceptance criteria with Y-12 and acceptable forms for material (related to end use) for interim storage and shipping.

2nd Quarter I998

STOCKPILE MANAGEMENT PROGRAM I PROGRAM MANAGER/

PROJECT LEADER R. Erickson/K. Fife

PRINCIPAL TITLE WBS/CODE INVESTIGATOR Nuclear Materials Recycle 1.4.2/KR2

K. Fife/J. NielsedW. Dworzald and Recovery D. Wedman

TA-55 vault capacity is constrained and requires a shipment of HEU to Y-12. Vault space at TA-55 continues to be an issue and electrolytic decontamination of oralloy is viewed as the best means to free some space. A June shipment date, followed by other shipments is now the primary focus of this project.

The current prototype system is obsolete for processing. The design of the system allows for recontamination of the parts because no ultrafiltration is incorporated. The new system cannot be brought on-line without a considerable period of down time, and the emphasis decontaminate and ship material to Y- 12 has necessitated using the prototype system for processing. Installation of the new system will be on hold for some time as this material is processed.

2nd Quarter 1998

STOCKPILE MANAGEMENT PROGRAM PROGRAM MANAGER/ PRINCIPAL TITLE

R. EricksodK. Fife . K. Fife/J. Nielsed Recovery PROJECT LEADER INVESTIGATOR Nuclear Materials Recycle &

W. DworzaWD. Wedman

WBS/CODE I 1.4.2lKR2

9000

8000 -

7000

’ 6000

5000 Y v)

4000 -

3000

2000

1000 -

t

Allocation Cum

0

OCT NOV E JAN Fm MAR PPA MAY JVN JUL AUG se,

2nd Quarter 1998

Special Recovery Line Process 2 Pits 3/15 Process 2 Pits Process 2 Pits

611 5 911 5


I PROGRAMMANAGEW I PRINCIPAL I TITLE I WBSKODE I PROJECT LEADER R. EricksodK. Fife

Nuclear Materials Recycle and Recovery

INVESTIGATOR K. Fife/J. NielsenW. DworzaW

D. Wedman 1.4.2KR.2

Fcst. I Act. 1 % 1 1st FQ 2nd FQ 3rd FQ Sched I Date 4th FQ FY 1998 Milestone Description

Jun J ul Plutonium Scrap Recovery

Legacy High-Risk Material Stabilized * I 1213 1 \: . \ -

Annual Statistical Vault Sampling Complete I 8/30

v Electrolytic Decontamination I

Complete Alpha Spectrometer Study I 1/30 Complete Testing of New Fixture I 6/29

* Delay due to equipment failure and lack of personnel.

m 2nd Quarter 1998

Legend: Schedule Actual

STOCKPILE MANAGElMENT PROGRAM

PROGRAM MANAGER/ PRINCIPAL TITLE 1 PROJECT LEADER I INVESTIGATOR I Manufacturing Technology

Manufacturing Technology Description

Integrate changing manufacturing missions into the Los Alamos environment, including planning efforts to effect these changes, providing leadcrship and working effectively with the remaining manufacturing plants, and assuring that appropriate advanced manufacturing technologies will be available to the Nuclear Weapons Complex (NWC). Provide plutonium modeling with Rocky Flats data. Support the tritium facility model at Savannah River Site and support the architecture for enterprise modeling. Develop and deliver Production Realization workshops and engineering consultation to support implementation of NWC Engineering Procedure EP40 1099 and subordinate Technical Business Practices (TBPs). Develop tools to evaluate pit quality for potential reuse in the stockpile. Integrate and manage the Process Development Program (PDP), provide reports, and develop partnerships with the other plants.

Accomplishmentnssues (2nd Quarter)

Accomplishments:

Planning and Parterning (1.5.1.1) - Held the second Plant-Lab Interactions in a New Year (PLINY) meeting at Pantex. Los Alamos suggested categorizing interactions to make them more amenable to examination and projection. Some funds from these planning activities will be reallocated to support the Tri-Lab Office at Pan tex .

2nd Quarter I998


PROGRAM MANAGER/ PRINCIPAL TITLE WBS/CODE PROJECT LEADER INVESTIGATOR Manufacturing Technology lS. l /KPl

T. Neal/R. Franklin/D. Carstens T. NeaVT. Rising/K. Franklid B. Nolen

A team has started a 60-day study of the future of the CMR building after 20 10. Options being considered are the viability and feasibility of new nuclear space, and the continued operation of CMR as either a nonnuclear facility or a "materially restricted" Category I11 security nuclear facility.

Complex Modeling (ADAPT) (1.5.1.2) - Developed milestone schedule for this project.

Held two meeting between the ADAPT team and the Enterprise Modeling and SimulatiordDemand Activated Manufacturing Architecture (EM&S/DAMA) team. Presented a description of the EM&S architecture and methodologies for modeling supply chains and included descriptions of preliminary results for the commercial supply chain analysis. Initiated discussions on the potential interaction between ADAPT and EM&S. Continuing EM&S work without any direct interaction with the ADAPT project.

Completed a production model of the MC3730 detonator. Implemented the Los Alamos component of the MC3 730 production modeling system developed for commercial manufacturing operations in order to identify differences between defense programs (DP) and commercial manufacturing operation. This work was intended to apply the EM&S methodology to DP work and ultimately apply it to ADAPT.

To address the 'soft' attributes of the Complex which include impacts of policy, safety and conduct of operations on the productivity of the physical productions systems TSA-7 is applying ProMoS to plutonium recovery operations. Developed five new iterations to ProMoS, culminating in version 1.4.0.b6, which runs on a PentiudMicrosoft NT operating system platform. The simulation tracks human related items that

2nd Quarter 1998

STOCKPILE MANAGENLENT PROGRAM

PROGRAM MANAGER/ PRINCIPAL TITLE WB S/CO DE PROJECT LEADER INVESTIGATOR Manufacturing Technology 1.5.1 /KP 1

T. Neal/R. Fra&lin/D. Carstens T. Neal/T. - Rising/K. _ _ . Franklid

detract from the efficiency of a system that is defined by physical layout and full staffing. The simulation treats individual employees as objects with attributes, which include vacation, sick leave, radiation exposure, and training. Radiation exposure is calculated by the activities of the individual and the specific source term being processed at the time. The material balances for Pu, Am and Ga are also maintained. When the EM&S and ProMoS work becomes more mature, it may augment and/or replace some of the Mastedreduced-scale model architecture. A paper on this topic will be delivered at the upcoming Actinide Separation Conference.

Product Realization Training (ADAPT) (1.5.1.3) - DOE/AL requested that the Stockpile Management Program reduce expenditures to offset funds that had been allocated but would be not available. Because of the slow progress of this project in the absence of a project leader replacement, funds will be shifted from this project to project 1.5.1.5, KP15.

Requalification at Pantex (ADAPT) (1.5.1.4) - Established screening criteria for pits. Evaluation of pits using technologies that are being developed for requalification will help determine if the pit is within the expected population. If no anomalies are found, the pit will be a candidate for requalification. If anomalies are discovered, the pit will be processed through additional surveillance activities to determine the cause for the anomalies. Submitted a proposal that will incorporate these screening criteria as a part of the directed schedule surveillance and rebuild work.

2nd Quarter 1998


PROGRAM MANAGEW PRINCIPAL TlTLE WBS/CODE lS.l /KP 1 PROJECT LEADER INVESTIGATOR Manufacturing Techno logy

T. Neal/R. FranklidD. Carstens T. NeaVT. Rising/K. Franklin/ B. Nolen

Signed a cooperative research and development agreement (CRADA) for the next 3D LASER imaging project. This CRADA includes commercial partners for hardware and software, The intent is to hrther develop technology such that quantified traceable measurements can be made down to one mil. Built system test parts. These test parts will be measured by Los Alamos and Y-12 with measurements traceable to National Institute Standards Technology (NIST). The test part will then be processed by the imaging system and data will be compared to the original computer aided design (CAD) requirements and to measured data to verify capability and accuracy of the imaging system.

Completing a design for the Integrated Pit Inspection Station at Pantex. Pantex and Los Alamos employees have agreed on technologies to be incorporated. Identified long lead items for early procurement. Developing the implementation plan for Pantex. This piece of equipment will perform requalification and surveillance activities in FY 1999.

Identified the W-76 forward mount as another component that can be requalified. This metal part is a complex machined part that will require additional surveillance and evaluation prior to requalification. Successfhl requalification will result in lower risk associated with manufacturing new parts and a significant cost savings by reducing manufacturing and transportation.

Program Management and Integration (ADAPT) (1.5.1.5) - DOE/AL requested that the Stockpile Management Program reduce expenditures to offset funds that had been allocated but would not be available. This meant that ADAPT management tasks could no longer leverage from allied Stockpile

2nd Quarter 1998


PROGRAM MANAGER/ PRINCIPAL TITLE W B S/CODE PROJECT LEADER INVESTIGATOR Manufacturing Technology 1.5.1/KP 1

T. Neal/R. Franklin/D. Carstens T. Neal/T. Rising/K. Franklin/ B. Nolen

Management tasks, but would have to be fully self supporting. Funding will therefore be added to this project from project 1.5.1.3, KP13.

Attended two Process Development Quarterly Reviews on canned subassemblies (CSAs) at Lawrence Livermore and high explosives (HE) at Pantex. Monitored and reported on the program's progress as required. Continued to work with other plants to help develop a coordinated, integrated program.

Issues:

Requalification at Pantex (ADAPT) (1.5.1.4) - Requalification of canned subassemblies (CSAs) are dependent upon Modal Harmonics and Air Bearing evaluations. These two technologies were previously being supported through the Enhanced Surveillance Program. FY 1998 and outyear budgets in Enhanced Surveillance and ADAPT do not support the implementation of these technologies on the schedule needed for surveillance or requalification of CSAs.

FY 1998 funding levels at Los Alamos and Pantex are only adequate to support priority projects at the respective facilities. Project hnding at Pantex is dependent upon plus-up funding that has not been received. Without this fimding some project work will be interrupted until funds are allocated.

2nd Quarter 1998


PROGRAM MANAGER/ PRINCIPAL TITLE W B S/CODE PROJECT LEADER INVESTIGATOR Manufacturing Technology 1.5.1 /KP 1

T. Neal/R. fira&lin/D. Carstens T. Neal/T. Rising/K. Franklin/ B. Nolen

Defining project priorities and level of effort for each site is vital. To achieve the maximum benefit, efforts at each site must complement each other. Currently project priorities and efforts do not provide the best transition from technical development to capability implementation.

2nd Quarter 1998

STOCKPILE MANAGEMENT PROGRAM WBS/CODE PROGRAM MANAGER/ PRINCIPAL TITLE

T. N e a K FranklidD. Carstens PROJECT LEADER INVESTIGATOR Manufacturing Technology 1.5.1 /KP 1

T. Neal/T. Rising/ K. FranklidT. Bearce

i a o o - 1600

1400 -

2oo .I 1000

Y 4a

aoo

400

6oo I

-. -_ - __I -Budget -Actual

+Budget Cum +&location Cum +~ctua~ cum

- - -Actual - __ - + - ___ Corn - - Cum

Actual + Com

200

0

OCT NOV ca= JAN FEE3 MAR rn MAY JUN JUL AUG SHJ

113 144 144 144 144 144 144 144 144 144 144 Budget 113

Actual 254 2 4 220 -55 27 -5 Actual + Corn 33 1 3 200 -55 31 -8

Allocation 1362 301

~~

1520 1663 Budget Cum 1 13 227 371 514 658 801 945 1089 1232 1376 Allocation Cum 1362 1362 1663 1663 1663 1663

Actual Cum 254 278 490 443 470 464 Actual + Corn Cum 33 1 334 535 479 510 502

2nd Quarter 1998


PROGRAM MANAGER/ PROJECT LEADER

T. Neal/R. Franklin/D. Carstens

PRINCIPAL TITLE I WBSEODE Manufacturing Technology 1.5.1KPI INVESTIGATOR

T. NeaVT. Rising/K. Franklin/ B. Nolen

FY 1998 Milestone Description I Sched Fcst. Act. 1 Date 1 Date 1 Date

Transfer Laboratory Nuclear Facilities to 110/15) 10/1 I 1011 Stockpile Management Submit Proposals for Cooperative Activities 6/15 6/15

, 'i"";' Forecast Actual Legend: v Schedule '4

% I 1st FQ I 2nd FQ 3rd FQ - Jul

2nd Quarter I998


PROGRAM MANAGER/ PRINCIPAL TITLE WB S/CODE PROJECT LEADER INVESTIGATOR Dismantlement and Containers 1.5.2IKP2

T. NealL. MontoydJ. Martined L. MontoydJ. MartinedA. Guthriel

Dismantlement and Containers Description

Support Los Alamos staff members who reside at the Tri-Lab Project Office at the Pantex Plant. Perform Nuclear Explosive Safety Studies (NESS) on the Seamless Safety disassembly, inspection, and reassembly processes. Investigate replacements for the AL-R8 container used for interim pit storage at Pantex and obtain shipping certification under 10CFR7 1 . Develop technologies to monitor pits stored at Pantex.


Accomplishments :

Tri-Lab Office (1.5.2.1) - Hosted visitors from United Kingdom at Pantex for a meeting on plant operations. Presentations from Los Alamos included assembly/disassembly procedures from a generic weapon system, accelerated aging unit (AAU), and pit storage temperature.

Continuing Cycle 20 at Pantex. No problems have been encountered. Cycle 21 and Cycle 22 will be rescheduled for an earlier completion as the nuclear explosives safety study (NESS) will expire before SS- 2 1 activities are restarted and completed.

2nd Quarter 1998


PROGRAM MANAGER/ PRINCIPAL TITLE WBS/CODE PROJECT LEADER INVESTIGATOR Dismantlement and Containers 1.5.2/KP2

T. Neal/L. MontoyafJ. Martined L. MontoydJ. MartinedA. Guthrie/ K. Franklin T. Vadlak

Sandia, Los Alamos, and Mason and Hanger Corp. (MHC) representatives decided to combine two separate B53 Program proposals into a single proposal which will be presented to DOEYAWWPD in mid-April. The proposal will include a project schedule and a request for a tasking letter from DOE which is to include scoping requirements, fund allocations, and Tri-Lab Office wrote the single proposal and coordinated the efforts for this activity.

Continued W69 dismantlements ahead of the planned schedules. The goal for March 1998 was 85 units; Pantex has dismantled over 100. Pantex is considering utilizing another bay for dismantlement operations due to potential issues with reviews and approvals. Support from the Tri-Lab Office continues for all of the dismantlement issues that are raised. Supported the walkdown of the additional cell that was added during March for operations.

Supported the W76 program meeting that was held at Pantex on March 18, 1998. Information from this meeting was relayed to the W76 Project Leader. Began hazard analysis walkthroughs for the SS-21 activities. Expect walkthroughs to be complete by April.

W78 - Tri-Lab Office is working with Pantex to send tools back to Los Alamos for W78 assemblies and disassembles. Los Alamos will purchase some of these tools from Pantex.

2nd Quarter 1998


TITLE W B S/CODE PROGRAM MANAGER/ PRINCIPAL PROJECT LEADER INVESTIGATOR Dismantlement and Containers 1.5.2/KP2

T. NeaVL. MontoydJ. Martined L. MontoydJ. MartinedA. Guthrie/ K. Franklin T. Vadlak

Relayed test questions for the W80 and W88 programs to Los Alamos for review and wrote responses to Pantex.

Supported the Pantex readiness exercise. Los Alamos was the point of contact for the exercise. Requested information was routed to appropriate parties at Los Alamos and Lawrence Livermore. Lawrence Livermore will be the point of contact for the next exercise.

Nuclear Explosive Safety Studies (1.5.2.2.) - Continued data gathering and walk down of the new mechanical process for bay operations in support of the W76 SS-21 Single Integrated Input Document (SIID). This document will be used as source data to support the W76 NESS. Los Alamos hazard analysts are developing spreadsheets which summarize the accident scenarios, their likelihood, the weapon responses to the hazards, and candidate controls to mitigate the hazards. These spreadsheets constitute the core of the hazard analysis report which is required to support the W76 NESS. Los Alamos hazard analysts met with members of the W76 Project Team to review spreadsheets for vacuum bay operations. The purpose of this meeting was to define the final product for W76 Project Team use. Accident scenarios, their likelihoods, weapon responses, and candidate controls were summarized and presented. The W76 Project Team will select the controls (quantity and quality) upon which the safety of these operations will be based.

Completed Los Alamos’ portion of the B61-11 SIID and submitted it to Mason & Hanger on February 28.

STOCKPILE MANAGEMENT PROGRAM.

PROGRAM MANAGEW PRINCIPAL TITLE W BS/CODE PROJECT LEADER INVESTIGATOR Dismantlement and Containers 1.5.2/KP2

T. Neal&. MontoyaIJ. Martined L. MontoydJ. MartinedA. Guthrie/ K. Franklin T. Vadlak

Distributed the B6 1 - 1 1 Single Integrated Input Document (SIID) to the Nuclear Explosive Safety Evaluation Group members on March 18. The B61-11 Nuclear Explosive Safety Evaluation has been scheduled for mid-April at Pantex. Los Alamos, Sandia, and Mason & Hanger representatives met to dry-run the presentations for the B61-11 Nuclear Explosive Safety Evaluation Group. The B61-11 Project Team is prepared to present information compiled in the SIID to the Nuclear Explosive Safety Evaluation Group in mid-April. The Defense Nuclear Facility Safety Board has requested DOE/AL present their rationale for use of the Nuclear Explosive Safety Evaluation process for the B6 1 - 1 1. The B6 1 - 1 1 Nuclear Explosive Safety Evaluation Group will develop this rationale during the B6 1 - 1 1 Nuclear Explosive Safety Evaluation. The outcome of this meeting may affect the B61-11 NESS scheduled for mid-April.

Container Development (1.5.2.3) - AL-2 100 - Completed preliminary design of the adapter for the AL-R8 “birdcage” for use in the PC-2. Placed the purchase order for the prototype AL-2100 container. Changed PC-2 design based upon manufacturers recommendations. Prototype was more expensive than the original estimate but the project can still be brought in on the original budget by reducing personnel loading on the project. This hardware will be reviewed by NMT and Pantex to incorporate operator evaluation and experience into the design. The design and design methodology has been discussed with DOE/AL.

SAFKEG - Continued work with DOE/AL to resolve the contents issue for Rocky Flats and Hanford materials. Provided packaging and shipping support to Los Alamos personnel at Rocky Flats. Received comments from DOE/HQ/EM-76 Headquarters Certifying Official on revision 3 of the safety analysis report

2nd Quarter 1998


PROGRAM MANAGEN PRINCIPAL TITLE WBSKODE PROJECT LEADER INVESTIGATOR Dismantlement and Containers 1.5.2/KP2

T. NeaVL. MontoydJ. Martined L. MontoydJ. MartinedA. Guthriel K. Franklin T. Vadlak

for packaging (SARP) submitted last July. Prepared responses, revised, and resubmitted the SARP. Further delays may be experienced during the certification process.

Pit and Container Storage at Pantex (ADAPT) (1.5.2.4) - Continued instrumentation maintenance and upgrade in Zone 4 at Pantex. Repaired dataloggers in magazines 134, 119, 123, and 107. Installed dataloggers in magazines 101 and 130 which are now collecting data. Attended a meeting in Livermore to discuss the data temperature curves for pits stored in ALR-8s. Although this data is used almost daily at Pantex, Lawrence Livermore, and Los Alamos have not formally given the curves to Pantex. The data is being reviewed to determine the best way to present it to Pantex. When complete, the data will be incorporated in the RM specification for pit temperatures.

BIO Upgrades at Pantex (1 52.5) - Lightning - Faraday cage/isolation is being implemented for the Pantex Bays and Cells. Began data gathering to support hazard characterization, identification of alternative methods of protection, and characterization of weapon responses.

Seismic - Established task team March 17th and began developing the project plan for this task.

2nd Quarter 1998

Fire - Began data gathering to characterize the response of high explosives to thermal environments which may result from accidents at Pantex. Modifying project plan to include development of controls for thermal accident scenarios.


PROGRAM MANAGER/ PRINCIPAL TITLE WB S/CODE PROJECT LEADER INVESTIGATOR Dismantlement and Containers 1.5.2KP2

T. NeaVL. Montoya/J. Martinez/ L. MontoydJ. MartinedA. Guthrie/ K. Franklin T. Vadlak

Transportation - Hazard Analysis walk-downs of on-site transportation at the Pantex Plant is underway and documentation begun.

Issues:

Nuclear Explosive Safety Studies (1.5.2.2.) - Questions have been raised regarding the completeness of the safety basis for performing nuclear explosive operations in the mass properties facility and the accelerated aging chambers. It is not clear what the impact of the safety basis evaluation and resultant recommendations will have on the W76 effort.

Implementation of the Integrated Safety Process and the Basis of Interim Operations upgrade program will impact the seven year integrated schedule. The approach Mason & Hanger will take to upgrade the facility safety basis directly impacts the W76 SS-21 project. How the projects (W76 SS-21 and the BIO Upgrade Program) will divide safety basis responsibilities has not been determined. It is unknown how the W76 and B61-11 programs will be affected.

W78 NESS data gathering was delayed until next fiscal year.

Container Development (1 52 .3 ) - SAFKEG - This project is at a maintenance level. Expect to be able to complete the project with the current list of contents; provided that there are few changes from EM-76. No changes have been made to the hardware as a result of the review. Changes have been received which

2nd Quarter 1998


PROGRAM MANAGER/ PRINCIPAL TITLE WB S/CODE PROJECT LEADER INVESTIGATOR Dismantlement and Containers 1.5.2/KP2

T. Neal/L. MontoydJ. Martined L. MontoydJ. MartinedA. Guthriel K. Franklin T. Vadlak

describe the package design. If users require any changes to the specified contents list additional funding and resource allocation will be required to change the certificate.

BIO Upgrades at Pantex (1.5.2.5) - Mason & Hanger may have under estimated the scope of the Pantex Plant Facility safety basis upgrade effort. Task teams are reviewing scope and schedules contained in current project plans. There is a difference in technical opinion between Los Alamos and LLNL as to the need for accelerated aging tests using a weapon reserve unit.

2nd Quarter 1998

STOCKPILE MANAGEMENT PROGRAM PROGRAM MANAGEN

PROJECT LEADER T. Neal/L. MontoydJ. MartinezK. Franklin

PRINCIPAL INVESTIGATOR L. Montoya/J. Martined

A. Guthrie/T. Vidlak

2500

2000

1500

Y tl)

1000

500

0

TITLE Dismantlement & Containers

WBS/CODE 1.5.2/KP2

- - . - . . . 0 Budget O A c l u a l -Actual + Com -f- Budget Cum +Allocation Cum .+- Actual Cum -Actual + Corn Cum -.

r - -

OCT NOV CEC JAN FEB MAR PPR MAY J!JN JUL AUG SEP

Budget 163 163 169 169 169 169 169 169 169 169 169 169

Actual 323 188 183 215 198 185 Actual + Com 334 18 0 187 183 240 198

Budget Cum 163 327 496 664 833 1002 1171 1340 1509 1677 AllocationCum 1960 1960 2015 2015 2015 2015

Actual Cum 508 695 879 1094 1292 323 Actual + Corn Cum 334 514 701 a84 1125 1323

Allocation 1960 55 -~ ~ ~~ -~ -~

2015 1846

2nd Quarter 1998


PROJECT LEADER T. Neal/L. MontoydJ. Martined

K. Franklin Dismantlement and Containers 1.5.2/KP2 INVESTIGATOR

L. MontoydJ. MartinedA. Guthrie/ T. Vidlak

FY 1998 Milestone Description Sched Fcst. 1 Date 1 Date ~ ~~

Nuclear Explosive Safety Studies (1.5.2.2) I Start W76 SS-21 NES Study 1 611 I 611 W76 NES Approved 911 911 Start W78 SS-NESS Data Gathering 2/23 9/30 Complete B6 1- 1 1 Limited Scope NESS 311 511 Container Development (1.5.2.3) Complete PC 2 Conceptual Design 1/15 12/12 Present PC 2 Container Options to DOE 8/15 8/15

I I

1st F(

12/12 100

‘i””;’ Forecast Actual Legend: v Schedule ‘4 2nd Quarter 1998


PROGRAM MANAGER/ PRINCIPAL TITLE WB S/CODE PROJECT LEADER INVESTIGATOR Chemistry 1.5.3/KP3

T. Neal/M. Moy/D. Knobeloch M. Moy/D. Knobeloch

Chemistry Description

Enhance and improve the analytical chemistry baseline technologies and processes. Support Y- 12 uranium chemistry for resumption process optimization and support CMR restart. Provide analytical chemistry support for pit surveillance and pit rebuild projects.


Accomplishments:

Analytical Chemistry (1.5.3.1) - Automation of the Ceric Titrant Addition for the Determination of Uranium using the Modified Davies Gray Procedure - Generated additional laboratory titration data. These new results continue to support the conclusion that the titrant addition step of the Davies Gray procedure has been successfully automated. Completed 13 sets of titrations, with a set ranging from 6 to 15 titrations. Results are in the 0.05% RSD range. During March analyzed samples that contain Pu in addition to U.

Etching of Pu Samples - Developed, fabricated, and tested a device for metallographic samples, investigated stain etching of Pu, and continued to develop etching techniques for special Pu samples.

2nd ‘Quarter 1998


PROGRAM MANAGER/ PRINCIPAL TITLE WBS/CODE PROJECT LEADER INVESTIGATOR Chemistry 1.5.3/KP3


LA-ICP-MS - Repaired the Spectron laser. Working on getting the laser Q-switch properly tuned. A new post doc is available to help with the project.

Glow Discharge Mass Spectrometer - Pulsed Glow Discharge Time-Of-Flight Mass Spectrometer (GD- TOF-MS) located at TA-59 is fully operational. Preliminary results on various types of steel (same samples analyzed using the magnetic sector GDMS in Wing 5 of the CMR) look promising. Continued modifications on GDMS source and redesign of the fragile electrical connections to the high voltage supply and the cryogenic cooling system.

Research and Development - Completed a series of Rutherford Backscattering Spectroscopy (RBS) experiments in the Ion Beam Materials Laboratory (IBML) Facility at Los Alamos to characterize the thickness and distribution of Ta films deposited on the actively-sputtered surface of non-conducting samples analyzed using a secondary cathode in the Kratos GDMS. The experiments showed that the Ta films generated during GDMS analysis are non-uniform in terms of thickness and Ta distribution. Thickness seems to be dependent on both the source conditions during analysis (Ar pressure, sample current, etc.) and on the type of material being sputtered.

Plan to focus on boron nitride (BN) because the composition will permit mapping the distribution and penetration depth of implanted argon atoms, and give a clearer picture of what is happening at the sample surface during glow discharge sputtering.

2nd Quarter 1998

STOCKPILE MANAGElVENT PROGRAM

PROGRAM MANAGER/ PRINCIPAL PROJECT LEADER INVESTIGATOR


TITLE Chemistry

Manuscripts are in preparation for:

W BS/CODE 1.5.3/KP3

I

Comparisons of the relative sensitivity factors (RSFs) for dc-, rf- and pulsed glow discharge time-of- flight mass spectrometers. Gas dynamics and interface design for glow discharge mass spectrometers. Ion deflection and detector pulsing: two effective ways to avoid detector saturation in time-of-flight mass spectrometry.

I

Y-12 Uranium Chemistry Support (ADAPT) (1 S.3.2) - Preliminary Implementation Plan - Met with Y 12 staff to discuss overall implementation plan and proposal for Y-12 senior management. Shared Los Alamos engineering design data for operation of a uranium recovery facility cost and "footprint" issues, and discussed Los Alamos operational criteria with Y-12 plant engineers via a conference call. Y-12 Development Division should make a presentation at the end of April. Task completion has slipped from February to April due to delay of Y-12 proposal submittal to management.

Los Alamos and Y- 12 Technical Demonstration (Legacy Residue Treatment) - Completed flow sheet evaluation technical demonstration plans are delayed due to Los Alamos requirements associated with the CMR resumption activities. Until the CMR resumption activities are complete (scheduled for April 17) there will be no uranium chemistry work allowed in the CMR Building. Approval of uranium chemistry standard operating procedures (SOPS) delayed the start of this task from January to April.

2nd Quarter 1998

STOCKPILE M A G E M l 3 N T PROGRAM

PROGRAM MANAGER/ PRINCIPAL TITLE WBS/CODE PROJECT LEADER INVESTIGATOR Chemistry 1.5.3/KP3

T. Neal/M. Moy/D. Knobeloch. M. Moy/D. Knobeloch

Process Alternatives Technology - Continuing this project after a delay due to the CMR resumption activities. Y-12 and Los Alamos started a joint effort on deinventorying Rocky Flats hemishells which resulted in new scope for this task. Pilot-scale demonstrations are planned for late April and will include two technologies: laser-induced reduction of uranium oxide, and ion exchange and/or photolytic reduction of uranyl nitrate.

Rebuild/Surveillance Analytical Chemistry (ADAPT) (1.5.3.3.) - Radiochemistry Upgrades - Due to the CMR standdown activity, no programmatic work occurred until the third week of February. The Radiochemistry Work Authorization Package (WAP) was approved in October 1997, but several facility issues (combustible loading, fire protection system, ventilation system, waste handling, radiation protection, work area supervisor, etc.) were delayed by CMR resumption activities.

Obtained commercial gamma-ray analysis programs. Placed order for a new automatic gamma counter. Integrated the automatic sample changer with the new gamma-ray acquisition system

Issues:

Analytical Chemistry (1 53 .1) - Most analytical chemistry technology development projects have been delayed due to the CMR stand down.

2nd Quarter 1998


PROGRAM MANAGER/ PRINCIPAL TITLE W B S/CODE PROJECT LEADER INVESTIGATOR Chemistry 1.5.3/KP3


Y-12 Uranium Chemistry Support (ADAPT) (1.5.3.2) - Working to minimize delays due to the CMR resumption activities. The uranium chemistry team was re-organized in March. Personnel were moved from MST-5 to NMT-2. This caused significant impact on the resumption effort for uranium operations, primarily SOP approval.

2nd Quarter 1998


I PROGRAM MANAGER/ I PRINCIPAL I TITLE I WBSICODE I M. INVESTIGATOR Moy/D. Knobelock PROJECT LEADER

T. Neal/M. Moy/A. Patterson Chemistry I 1s*3’Kp3

Y Y)

2000

1800

1600

400

200

000

800

600

400

200

0

Allocation Cum

OCT NOV oa; JAN FEB MAR AFfl MAY JUN JUL Am E€P

Budget 165 165 162 162 162 -8 190 190 190 190 190 190 Allocation 1975 -25

Actual 41 254 120 179 124 113 Actual + Com 48 270 110 179 149 112

1188 1379 1760 1950 Budget Cum 165 329 491 653 815 808 998 1569 Allocation Cum 1975 1975 1950 1950 1950 1950

Actual Cum 41 295 415 594 718 831 Actual + Corn Cum 48 318 428 607 756 868

2nd Quarter I998


TITLE Chemistry


T. Neal/M. Moy/D. Knobeloch M.Moy/D. € h $ ~ l o c h

WBS/CODE 1.5.3/KP3

- Sched Date =

211

FY 1998 Milestone Description Fcst. Act. iJ Date o/, I 1st FQ 4th FQ 2nd FQ 3rd FQ *

T Improve Minor Isotope Measurements by TIMS Purchase ICP-MS for Special Applications 2/15

Automate Ion-Exhange Purification of Samples for TIMS

3/15

511 5 [ntegrate SQL*LIMS and Quality Assurance Activities to Meet Pit Manufacturing Requirements Integrate Chemometrics and Process Analytical Chemistry to Optimize In-line Measurements

711 5

Install and Hot Test FTIR and Gas Chromatograph for Gas Analysis on Actinide

9/15

Containing Samples

Legend: Schedule Actual 2nd Quarter 1998


PROGRAM MANAGER/ PRINCIPAL TITLE WBS/CODE PROJECT LEADER INVESTIGATOR Pit Manufacturing 1.5.4/KT1

T J Trapp/B. Kniss/K. Martin B. Kniss/M. Palmer Technolgy

Pit Manufacturing Technology Description

Provide the capability to produce limited quantities of pits that will meet war reserve like standards. Develop and implement processes and technologies needed to manufacture a limited number of pits at Los Alamos.

Accomplishment/Issues (2nd Quarter)

Accomplishments:

Pit Rebuild (1 54 .1) - Completed assembly of the W88 early development unit (EDU) pit. Presented a classified video showing process steps in the EDU pit fabrication to DOE/AL and DOE-HQ personnel.

Pit Technology Development (ADAPT) (1.5.4.2) - Analytical Chemistry (1 54.2.2) - X-Ray Fluorescence (XRF) Methodology - Currently evaluating the impact of higher excitation X-ray flux from a recently installed high power x-ray tube. Anticipate greater sensitivity due to lower background from lower applied voltages used for excitation. Prepared new samples for comparison measurements using micro-pellets, slurries, and dried spots of the same materials. Revised the experimental plan to identify experimental parameters affecting quantification of trace elements. Will compare quantification schemes from two

2nd Quarter 1998



B. Kniss/M. Palmer T J Trapp/B. KnisslK. Martin

TITLE Pit Manufacturing

Technolgy

WBS/CODE 1.5.4/KTl

potential sources for accuracy and precision. Completed 75% of Hybrid densitometer installation at TA-55. Demonstrated micro X-ray fluorescence at parts per billion level.

Analytical Chemistry Standards - Identified two glove boxes for packaging at TA-55 in PF-4, Room 124. Completed fabrication of the Pyrex ampule sealing systems. Working on Memo of Agreement with New Brunswick Laboratory for fabrication of standards.

Super Critical COz - Started glove box modifications at Jonas and retrofitting the plumbing so that all components can be accessed easily without breaching containment.

Pit Casing Issues - Obtained casting niobium coupons for testing. Started metallography and other needed analysis on the coupons.

EWMSE Processing - Installed programmable logic controllers (PLCs) on glove box furnace and currently addressing problems with programming.

Pit Materials Compatibility - Received WR materials from PANTEX. Selected trichloroethylene (TCE) as cleaning solvent. Plan to recycle the solvent using commercial distillation apparatus. Demonstrated Optically Stimulated Electronic Emission (OSEE) for determining surface cleanliness. Continuing work on acceptance standards, including cotton gloves.

2nd Quarter 1998



B. Kniss/M. Palmer T J Trapp/B. Kniss/K. Martin

TITLE Pit Manufacturing

Technolgy

WBSKODE 1.5.4/KTl

Interstitial Gas Laboratory - Glove Boxes - Notified ESA-DE that capital money was available for the purchase of the large glove box for the Interstitial Analysis Laboratory..

Pyrochemical Processing (1 54.2.6) - Documented the purity of the ER metal product.

Planning/Project ManagemenUTechnical Support (1.5.4.2.7) - Continued to develop acceptance criteria for process materials. Approximately nine acceptance criteria for process materials have been issued for signature under the Pit Rebuild Project. Plans are being made to qualify trichloroethylene (TCE) as the solvent for cleaning components. The TCE is planned to be reused and reclaimed using spinning band distillation. Investigating a new ultrasonichapor degreaser as part of the plan to use TCE as the cleaning solvent. The ultrasonic/vapor degreaser will be integrated with the spinning band distillation system later this year.

2nd Quarter 1998


PROGRAM MANAGER/ PRINCIPAL TITLE WBS/CODE PROJECT LEADER INVESTIGATOR Pit Manufacturing Technology 1 .5.4/KT 1

TJ Trapp/B. Kniss/K. Martin B. Kniss/M. Palmer

25000

20000

15000

Y cr)

10000

5000

0

~

0 Budget -Actual

-e- Budget Cum +Allocation Cum +Actual Cum

o(;r NOV CEC JAN FEB MAR m MAY JUN JUL PlJG SEP

Budget 1898 1898 1892 1892 1892 1892 1892 1892 1892 1892 1892 1892

Actual 1371 1212 1629 1736 1589 2316 Actual + Com 1617 1261 1538 1736 2011 2322

Budgetcum 1898 3797 5689 7581 9472 11364 13256 15148 17040 18931 20823 22715 Allocation Cum 22782 22782 22715 22715 22715 22715

Actualcum 1371 2582 4211 5948 7537 9853 Actual+CornCum 1617 2878 4417 6152 8164 10486

Allocation 2 2 7 8 2 -67 ----- ~~

2nd Quarter 1998

STOCKPILE MANAGEmNT PROGRAM

PROGRAM MANAGER/ PRINCIPAL TITLE I PROJECT LEADER I INVESTIGATOR I Canned Subassemblies (CSA) T. Neal/A. Patterson/L, Wang P. DundP. TubesindD. Korzekwal and Cases (ADAPT)

S. KinkeadL. Wane I I Canned Subassemblies (CSA) and Cases (ADAPT) Description

Provide enabling technologies and processes to support the uranium and salt production activities at Y- 12. Plasma arc melting, a viable alternative to vacuum-arc-reduction (VAR), is being pursued to determine its value in reducing carbon content in uranium. Enclosed uranium foundry operations are being investigated to assess the improved worker productivity possible in such operations. Computer simulations of casting, coupled with experimental process improvements, are being pursued to optimize near-net-shape uranium technologies. New purification, forming, and evaluation methods for a special CSA material are being developed to improve quality and lifetime.


Accomplishments:

Uranium Technology (ADAPT) (1.5.5.1) - Enclosed Uranium Operations - Continuing work on the glovebox vacuum induction melting. Installing casting diagnostics and the system will be ready for vacuum testing in April. Fabricating bus bars.

Plasma Arc Melting - Ingots resulting from melting experiments have been sectioned, with slices to be sent to Y- 12 for characterization. Los Alamos will perform similar characterization.

2nd Quarter 1998


PROGRAM MANAGER/ PRINCIPAL TITLE W BSKODE I PROJECT LEADER 1 INVESTIGATOR I Canned Subassemblies (CSA) I 1.5.5/KP5 T, Neal/A. Patterson/L. Wang P. DundP. Tubesing/D. Korzekwa/ and Cases (ADAPT) S. KinkeadL. Wane

Uranium Near Net Shape Process and Models (ADAPT) (1.5.5.2) - Added alloy segregation during solidification to the model. The segregation issue during casting is the primary driver for resulting residual stresses in the part. Experiments are underway to benchmark the model against experimental castings.

Purification of a Special CSA Material (ADAPT) (1.5.5.3) - Set up the large-scale (2 liter) purification apparatus in DX-2 glove box. Two batches of material (approximately 80g. total) have been processed. The results indicate that the procedures scale well. The method of purifying the solvent to avoid contamination by dust from the molecular sieves will be changed. Washing the material with the antisolvent appears to improve the efficiency of the drying step. A large cylinder (20 1) of anhydrous solvent (H20 less than 5 ppm) has been purchased and is being installed adjacent to the glove box.

Began examining process variables that might improve purification of the final product and reduce time needed to remove solvent from the product. Discovered that the addition of ethylene glycol dimethyl ether (glyme) reduces solubility of the product, and that such products typically have 25-50 % less residual solvent before and after the supercritical dimethyl ether (DME) wash. In the most recent experiment, the solid was filtered after glyme addition and then further washed with an aliquot of glyme. The solvent level in the freshly precipitated product dropped from 25-30% to approximately 0.1 %. Furthermore, after treating with approximately 60 ml DME at 50°C, the wash volume is four times as high for the same amount of product. Solvent was undetectable by nuclear magnetic resonance (less than 100 ppm). If this experiment is confirmed, it could dramatically affect the purification process for this material.

2nd Quarter 1998


PROGRAM MANAGER/ PRINCIPAL TITLE WB S/CODE PROJECT LEADER INVESTIGATOR Canned Subassemblies (CSA) 1.53KP5

T. Neal/A. Patterson/L. Wang P. DundP. TubesingD. Korzekwa/ and Cases (ADAPT) S. Kinkead/L. Wang

Presented programmatic status at the process development program (PDP) meeting in Livermore.

Forming and Evaluation of a Special CSA Material (ADAPT) (1 55.4) - Obtained parts, fabricated necessary connections for static outgassing setups, and began assembly of the setups. The cans are assembled for the static outgassing experiment, the residual gas analyzer (RGA) is operational, and Chemical Science and Technology Division (CST) collaborators are improving the detection of RGA output. Samples are in the final stages of machining.

The powder conditioning set up is on schedule. Completed the plumbing work. Some minor internal modifications are needed to facilitate material flow through the system. Reviewed the new powders, and confirm that they show significant reductions in occluded solvent.

Issues:

Uranium Technology (ADAPT) (1 55 .1) - Due to the interest in these projects, work was accelerated with a corresponding increase in spending rate. The over spending issue will be minimized by transferring $100,000 from program code KP52 to KP5 1.

Uranium Near Net Shape Process and Models (ADAPT) (1 S.5.2) - Work on this project will be slowed due to a transfer of KP-52 funds to KP-5 1. This will impact the published milestones.

2nd Quarter 1998


PROGRAM MANAGER/ PRINCIPAL TITLE W BS/CODE PROJECT LEADER INVESTIGATOR Canned Subassemblies (CSA) 1.5.5/KP5

T. Neal/A. Patterson/L. Wang and Cases (ADAPT) P. DundP. TubesindD. Korzekwa/ S . KinkeacUL. Wang

Purification of a Special CSA Material (ADAPT) (1 S.5.3) - Exposure of the solvent to a closed system (no open solvent or process containers) glove box interior will degrade the catalyst system, gloves, and rubber seals. Transfer of the solvent-damp solid into the wash vessel will expose the glove box to the solvent system. The solvent attacks most metals (especially when hot) and swells elastomers and plastics. Of the materials tested, only teflon, teflon PFATM, and teflon FEPTM are inert; even viton is degraded. Because the process apparatus contains several O-ring seals, costly materials such as KalrezTM may be required.

2nd Quarter I998

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