Cementitious Materials Workshop

Cementitious Materials for Waste Treatment, Disposal, Remediation and Decommissioning Workshop

December 12-14, 2006

Leach XS Software Training - December 11, 2006

Aiken County Center for Hydrogen Research
Savannah River National Laboratory
Aiken, SC

Cementitious Materials for
Waste Treatment, Disposal, Remediation and Decommissioning Workshop

December 12-14, 2006

Workshop Home

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Agenda*

Monday- December 11, 2006

Leach XS training (optional) 8:00 am to 5:00pm

Early registration 9:00am to 4:00pm

Tuesday- December 12, 2006
Morning Sessions

Welcome and Plenary Speaker
Time	Title	Authors/Speakers *	Organization
7:30a	REGISTRATION
8:30a	Introductions	*C. Langton, D. Kosson, H. Sturm*	SRNL, VU
	Welcome	*W. Spader , G.T. Wright*	DOE-SR, SRNL
	Workshop Objectives	*C. Langton, D. Kosson*	SRNL, VU
9:00a	Plenary Session	*M. Gilbertson*	DOE-EM
9:30a	Questions

Session 1A. Role of Cementitious in Meeting Regulatory and Stakeholder Requirements for LLW Disposal DOE Needs, State Requirements, and NRC Approaches

Session Chair*: Susan Thorneloe, EPA-ORD
Session Co-Chair*: Howard Pope, DOE-SRS
Session Co-Chair*: Michelle Ewart, DOE-SRS

Time	Title	Authors/Speakers *	Organization
9:45a	Decommissioning Project Remnant Considerations	M. Ewart	SRS-DOE D&D
10:00a	Hanford Tank Farm Closure Mission	M. Jaraysi	CH2M-Hill Hanford
10:15a	Impacts of Secondary Waste on Near-Surface Disposal Facility at Hanford	B. Mauss	DOE-ORP
10:30a	Grout Attributes Important to SRS HLW Tank Closure	S. Reboul, J. Newman	WSRC-SRS
10:45a	Break
11:00a	Citizens Advisory Board Perspective	J. Ortaldo	CAB-SRS
11:15a	South Carolina DHEC Perspective	S. Sherritt	SCDHEC
11:30a	Regulatory Considerations for Use of Cementitious Materials	M. Barnes, *J. Lyon	WA Dept. of Ecology
11:45a	EPA Perspective	G. Helms	EPA Office of Solid Waste
12:00p	NRC Perspective on the Use of Cementitious Materials in Radioactive Waste Management	D. Esh	NRC Staff
12:15p	Questions
12:30p	Lunch

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Tuesday- December 12, 2006
Afternoon Sessions

Session 1B. Chemical and Mineralogical Properties and Containment Transport Properties in Cementitious Materials
What are the important properties and retention mechanisms, and test methods? Speakers will be addressing leaching, solubility, sorption, mineralogy, etc.

Session Chair*: David Kosson, Vanderbilt University
Session Co-Chair*: M. Denham, SRNL

Time	Title	Authors/Speakers *	Organization
1:30p	Conceptual Models and Approaches to Understanding Long-Term Performance of Cementitious Waste Forms	*F. Sanchez, D. Kosson, A. Garrabrants, G. Flach, H. van der Sloot, C. Langton,	VU, ECN, SRNL
2:00p	Estimated Contaminant Release Concentrations from Closed Hanford Tanks	*W. Deutsch, J. Serne, K. Cantrell, K. Krupka, M. Lindberg, C. Brown	PNNL
2:30p	Modeling and Thermodynamic Properties of Cement Hydrates to Estimate Their Stability in a Temperature Range 0-100°C: Implication in terms of Degradation	*B. Huet, G. Scherer	Princeton U.
300p	Break
3:15p	Predicting the Service-Life of Concrete Structures Exposed to Chemically Aggressive Environments	J. Marchand	Laval U.
3:45p	Reactive Transport Modeling of Leaching Tests and Long-term Processes Applied to Cementitious Waste Disposal	*L. De Windt, R. Badreddine, J. van der Lee	EMP, INERIS France
4:15p	Modeling Chemical Speciation and Release from Cement Stabilized Wastes using LeachXS	H. van der Sloot	ECN
4:45p	Estimated Duration of the Subsurface Reducing Environment Produced by the Z-Area Saltstone Disposal Facility	*D. Kaplan, T. Hang	SRNL
5:05p	Questions
5:15p	Poster Session and Reception - Sponsored by CH2M Hill
**Chair and Co-Chair will prepare summaries of information from their sessions which will be presented at the Thursday morning session. Session 1A & 1B Follow-Up Time and location will be provided for additional input and follow-up on topics covered in Session 1A and Session 1B. Discussion will be informal and coordinated by session chair and co-chair.

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Wednesday- December 13, 2006
Morning Sessions

Session 2A. Water and Gas Transport

Session Chair*: Florence Sanchez (PENDING), Vanderbilt University
Session Co-Chair*: Gregory Flach, SRNL

Time	Title	Authors/Speakers **	Organization
8:00a	Intermediate Long-Lived Nuclear Waste Management: An Integrated Approach to Assess the Long-Term Behavior of Cement-Based Materials in the Context of Deep Disposal	*C. Galle, H. Peycelon, P. Le Bescop, S. Bejaoui, V. L’Hostis, B. Bary, P. Bouniol, P. Richet	CEA/DEN/DPC France
8:30a	Measuring Liquid Permeability in Saturated Cement Paste and Concrete	G. Scherer	Princeton U
9:00a	Measuring Transport Properties in Grout	*J. L. Conca, J. Wright	NMWU, UFA Ventures
9:30a	Testing and Standards Related to Fluid and Chemical Transport	D. Hooton	U. of Toronto
10:00a	Break
10:15a	The Impact of Moisture Transport on the Release of Constituents from Cement-Stabilized Materials Stored in Intermittently Saturated Environments	*A. Garrabrants, F. Sanchez, D. Kosson	VU
10:45a	Diffusion of cementitious pore fluids into Boom Clay from a deep HL:W disposal Site: Modeling of a Laboratory Experiment and Long-Term Interaction	*J. Diederik, L. Wang, P. De Canniere	SCK-CEN Belgium
11:15a	Leaching of Trace Elements from Materials Stabilized with Cementitious Coal Fly Ash	C. Benson	U of Wisconsin
11:45a	Studies of Tritium Characterization in Concrete at the Savannah River Site	**R. Hochel, E. Clark***	SRNL
12:05p	Lunch

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Wednesday- December 13, 2006
Afternoon Sessions

Session 2B. Degradation Mechanisms and Test Methods, Durability Criteria and Long-Term Degradation Evaluation

Session Chair*: C. Langton, SRNL
Session Co-Chair*: A. Ganguly , BSRI

Time	Title	Authors/Speakers **	Organization
1:00p	Re-Use of Waste and Behaviour of Heavy Metals: A Molecular Approach of the Transfer Mechanisms	J. Rose, P. Chaurand, A. Benard, J. Bottero	CEREGE, INERIS France
1:30p	A Review of Diffferent Forms of Sulfate Attack	D. Hooton	U. of Toronto
2:00p	Microbial Induced Degradation of Cement-Solidified Waste Forms for Radioactive Waste Disposal	N. Egiebor, M. Idachaba	Tuskegee U.
2:30p	Break
2:45p	Technical Issues on Laboratory Study Methodology to Assess Long-Term Release of Contaminants from Grout/Cement in the Vadose Zone	J. Serne	PNNL
3:15p	Numerical Simulation of Concrete Durability Under Coupled Deterioration Processes	D. Chen, S. Mahadevan, *D. Kosson	VU
3:45	Past, Present and Future Research on Concrete Degradation Modeling at The National Institute of Standards and technology	K. Snyder	NIST
4:15	Fluidized Bed Steam Reforming (FBSR): A Novel Process for Mineralizing Wastes	C. Jantzen	SRNL
4:45	Alternatives for Low-Temperature Waste Immobilization	J. Westsik, Jr., *R. Serne	PNNL
5:15	Questions
5:30	Poster Session and Mixer - Sponsored by CRESP, VU and WGI
**Chair and Co-Chair will prepare summaries of information from their sessions which will be presented at the Thursday morning session. Session 2A & 2B Follow-Up Time and location will be provided for additional input and follow-up on topics covered in Session 2A and Session 2B. Discussion will be informal and coordinated by session chair and co-chair.

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Thursday- December 14, 2006

Session 3A Long-Term Performance Predictions and Risk Assessment Integration of Cementitious Materials in PA Modeling

Session Chair*: Andrew Garrabrants, Vanderbilt University
Session Co-Chair*: David Esh, NRC

Time	Title	Authors/Speakers *	Organization
8:00a	Risk-Based Radionuclide Derived Concentration Guideline Levels for Concrete Slab End States	T. Jannik	SRNL
8:30a	Probabilistic Assessment of Long-Term Concrete Vault Durability in a Sulfate Bearing Waste Enfironment	G. Flach, M. Denham, M.Phifer	SRNL
9:00a	Initial Single Shell Performance Assessment for the Hanford Site	M. Connelly, M. Jaraysi, M. Wood	CM2-Hill, Fluor Hanford
9:30a	Kalman Filtering as Part of a Long-Term Monitoring Strategy	Ken Shyder	NIST
10:00a	Cement Condition of Nuclear Waste; Where Do We Go?	F. Glasser	U. of Aberdeen Scotland
10:30a	Break
**Chair and Co-Chair will prepare summaries of information from their sessions which will be presented at the Thursday morning session.

Session 3B. Path Forward: Key Gaps in Knowledge and Practice, Opportunities for Alternative Approaches and Improvements.†

Session Chair*: Christine Langton, SRNL
Session Co-Chair*: David Kosson, Vanderbilt University

Time	Title	Speaker
10:15a	Session 1A Overview	S. Thorneloe, H. Pope, M. Ewart
10:30a	Session 1B Overview	D. Kosson, M. Denham
10:45a	Session 2A Overview	F. Sanchez, G. Flach
11:00a	Session 2B Overview	C. Langton, M. Phifer
11:15a	Session 3A Overview	A. Garrabrants, D. Esh
11:30a	Closing Remarks	D. Kosson, C. Langton
11:45a	Adjourn	J. E. Marra, SRNL
**Chair and Co-Chair will prepare summaries of information from their sessions which will be presented at the Thursday morning session. †Status and DOE-EM Program Needs

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Poster Sessions

Poster Title	Author/Speaker**	Organization
Application of Cement Grout for In-Situ Treatment of Radioactive Wastes in Seepage Basins at SRS	Ganguly, Amit	Bechtel Savannah River Company, Inc.
Consolidated Tank Closure System Demonstration	Grasso, Alisa	AEA
Hanford Site Cement-Based Waste Stream Solidification Studies	*Clark, Boyd A.², L. L. Lockrem,³ G. A. Cooke,³M. Avila,¹ R. Westberg,¹M. R. Silsbee,² and R. J. Lee²	¹Center for Laboratory Sciences, Pasco WA ²RJLee group, Inc., ³CH2M Hill Hanford Group, Inc., ⁴FluorHanford, Inc., ⁵Fluor Federal Services
Spatial Distribution of Contaminants in Shallow Landfills	Collard, Len	SRNL
Cement Solidification of Ammonium Sulfate Rich Basin 42 waste Water from the Hanford Effluent Treatment Facility	*Cooke, Gary A,³ L. L. Lockrem,³ M. Avila,¹R. Westberg,¹ M. R. Silsbee,² M. D. Guthrie,⁴ G. L. Koci,⁵ and K. J. Lueck⁴	¹Center for Laboratory Sciences, Pasco WA ²RJLee group, Inc., ³CH2M Hill Hanford Group, Inc., ⁴FluorHanford, Inc., ⁵Fluor Federal Services
Review of Radiolysis Studies on Cementitous Waste	*Crawford, C. L. and N. E. Bibler	SRNL
Pretreatment of Tc-Containing Waste and Its Effect on 99Tc Leaching from Grouts	A. Aloy, E. Kovarskaya, J. Harbour, C.Langton, E. Holtzscheiter	KRI Russia 2SRNL
Remediation of the SRS P-Area Reactor Seepage Basins	J. Bradley	BSRI
Results on Cementitious waste Forms – Collaboration Between Khlopin Radium Institute and SRNL	*Harbour, J. R.,¹ A. Alloy,²	¹SRNL, ²Khlopin Radium Institute
Groundwater Barriers & Base Injection “A Low Cost Solution to Manage Radioactive Contaminants at SRS”	Hartz Michael	BSRI Return to top
Novel Methods to Characterize Cementitious Materials for Performance Assessment Calculations	Mattson, Earl D.,¹ K. L. Dixon,² and M. A. Phifer²	¹INL, ²SRNL
Analysis and Solidification of Tritiated Water – Evaluation of SRS Vault Limits and Investigation of Polymers, Zeolites and Various Cementitious Matrices	*Oji, L. N ., C. L. Crawford, C. A. Langton,	SRNL
Integral Waterproofing Admixtures	J. Taylor	Kryton International Inc.
Applications for Shrinkage Compensating Concrete	Valentine, L.	CONEX, Inc.
Toxicity Characteristic Leaching Procedure Applied to Radioactive Saltstone Containing Tetraphenylborate: Development of a Modified Zero-Headspace Extractor	*K. Crapse, A. Cozzi, C. Crawford, A. Jurgensen, J. Zamecnik, C. Langton, D. Missimer	SRNL
Emergency Pump Well Mitigation and Decommissioning in L-Area Complex Basin at SRS by Underwater Placement of Controlled Low Strength Material: Mix Design and Demonstration	*A. Duncan, W. Hinz, C. Olson, W. Mhyre, J. Cook	SRNL, BSRI, WGI
Structural Engineering Support of SRS Waste Disposal Projects	W. Kennedy	WSRC
Measurement of Hydraulic Conductivity of Cementitious Materials Using Radioactive Tracer Methods	*D. Taylor, D. DiPrete, C. Langton	SRNL
Evaluation of Organic Vapor Release from Cement-based Waste Forms, Part I: Testing	*A. Cozzi, R. Eibling, J. Zamecnik	SRNL
Evaluation of Organic Vapor Release from Cement-based Waste Forms, Part II: Analysis	*R. Eibling, A.Cozzi, J. Zamecnik	SRNL
Evaluation of Organic Vapor Release from Cement-based Waste Forms, Part III: Modeling	*J. Zamecnik, A. Cozzi, R. Eibling	SRNL

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*Please note that this is an Initial Agenda and is subject to change. A more detailed Agenda will be provided as speakers become confirmed.