PROCEEDINGS

EDITOR

George Apostolakis

Probabilistic Safety Accessment and Management is published by:
Elsevier Science Publishing Co., Inc.
665 Ave. of the Americas
New York, NY 10010

ISBN 0-444-01592-2 (Volume 1)
ISBN 0-444-01594-9 (Set)

REGULATORY USES OF PSA

Chair: D. Ross, USNRC

Regulatory Use of Probabilistic Risk Assessments: Evaluation and Feedback of Operating Experience
P. Lam and J. Rosenthal

Regulatory Use of PRA: A Northeast Utilities Perspective
M.V. Bonaca and D A. Dube

Use of PRA Techniques in the Evaluation and Design of the Advanced Boiling Water Reactor
J.D. Duncan and C.E. Buchholz

SYSTEMS-STRUCTURES INTERACTION

Chair: P. Kafka, GRS mbH

Aims and Suggestions Concerning an Integrated PSA Approach to Structural and System Reliability
P. Kafka, H. Adrian, and H. Andersson

METHODS FOR ASSESSING ORGANIZATIONAL EFFECTIVENESS WITH RESPECT TO SAFETY. I

Chair: A. Mosleh, Univ. of Maryland

An Observation on Human Performance and Safety: The Onion Model of Human Performance Influence Factors
J. Wreathall, D. L. Schurrnan and N. A. Anderson

One Search for Measures of Maintenance Effectiveness in Safety
J. Wreathall and P. Appignani

Organizational Factors Research for Regulatory Use
E. Lois and T.G. Ryan

A Method for Evaluation and Integration of Safety Performance Indicators
A. Mosleh, N. Grossman and M. Modarres

PSA USE IN VARIOUS INDUSTRIES

Chair: K. Inoue, Kyoto Univ.

The Role of Quantitative Risk Analysis in the Implementation of Risk Management and Prevention Programs
R. J. Mulvihill

Space Station Freedom Quantitative Risk Assessment Program 55
U. R. Faller, B. J. Garrick and J.C. Lin

Industnal Area Risk Management Through Risk Analysis Techniques 61
G. M. Uguccioni, S. Senni, S. De Sanctis, P. Vestrucci and G. Zappellini

NONPOWER REACTOR PSA APPLICATIONS

Chair: D. W. Stack, LANL

Probabilistlc Risk Analysis for Test Area North Hot Shop Storage Pool Facility
B. M. Meale and D. G. Satterwhite

The Health Physics Research Reactor Probabilistic Risk Assessment
D. H. Johnson, G. S. Flanagan, L. D. Proctor and M. B. A. Linn

Modeling Issues Associated with Production Reactor Safety Assessment
D W Stack and W.R. Thomas

Level-l PRA for High Flux Bearn Reactor (HFBR)
MA A~-arm, RA. Bari, T1. Chu, and L. Oliveira

PSA APPLICATIONS

Chair. L.F. Oliveira, Fed. Univ. of Rio de Janeiro

A Methodology for Incorporating Future CliTnate Change into Time-Dependent Assessment Models for the Deep Geological Disposal of Radloactlve Wastes in the UIC
C.M Goodess, J.P. Palutikof, and T.D. Davies

Risk-Based Approach to Determination of Emergency Planning Zones for the Republic of China
kN Fleming, and C.-Y. Yang

Seismlc Margins Systems Analysis for Hatch Unit 1 Nuclear Power Plant
DD. Orvis, P Moieni, R. Murray, and P. Prassinos

Decision .~nalysis for Earthquake Hazards Reduction
GL Hamm and B. Wong

SAFETY MANAGEMENT IN THE AEROSPACE INDUSTRY

Chair: T. Fogle, TRW, Inc.

Regulatory Decisionmaking and Safety Assessments Affecting the New Commercial Space Transportation Industry
N.C. Bowles

NASA Risk Management
C.W. Mertz

Deciding Among Candidate Risk Reduction Strategies: A Space Flight Exarnple
M.V. Frank

Nuclear Risk Assessment for Galileo and Ulysses
B. Buchbinder

RISK-BASED INDUSTRIAL STANDARDS: DEVELOPMENT, DAMAGE CALCULATIONS, AND APPLICATIONS

Chair: D M. Karydas, Eactory Mutual Research Corporation

A Basis for Development of Risk-Based Industrial Standards
H.W. Goodner

Guidelines for the Fire-Related Hazard Analysis of Electrical Cables in Industrial Environment
D M. Karydas, A. Tewarson, and JL. Temple

Methods for Calculation of Damage Resulting from Physical Effects of the Accidental Release of Dangerous Materials
G. Opschoor, R.O.M. van Loo, and H J. Pasman

A Probabilistic Assessment of the Initiation of hres of Electrical Origin
DM. Karydas and J. Steciak

METHODS FOR ASSESSING ORGANIZATIONAL EFTECTIVENESS WITH RESPECT TO SAFETY. II

Chair: E. Lois, USNRC

Assessing Organizational Safety in Adapting, Learning Systems: Empirical Studies of Nuclear Power
A A. Marcrus and ML. Nichols

CHEMICAL PLANT RISK MANAGEMENT

Chair: R J. Mulvihill, PRC

PSAM Applications in Chemical Plant Risk Management
R J. Mulvihill and DH. Horner

Experiences and Current Developmcnt in Safety and Risk Analysis in the Nordic Process Industry
J Suokas

Unccrtainties in Chemical Risk Assessment: Lessons Learnt from a European Benchmark Exercise
S Contini, A. Amendola, and I. Ziomas

INDUSTRIAL PSA APPLICATIONS. II

Chair: S. Unwin, SAIC

A Preliminary Probabilistic Risk Assessment (PRA) on the Importation of Chilean Llamas into the United States
S Kaplan and R. Olsen

Safetv Performance and Life Cycle Cost of Computerized Safety Shutdown Systems
L. Bodsberg, P. Hokstad, and T. Onshus

Cosl Risk Benefit Analysis of Offshore Platforms A Case Study
S. Haugen and IJ.E. Vinnem

USE OF PSA IN RADIOACTIVE WASTE REGULATION. I

Chair. N. Eisenberg, USNRC

Perspectlves on the Use of Probabilistic Model Systems in the Performance Assessment of Final Repositories for Nuclear Waste
K 4ndersson

Use of Performance Assessment in a High-Level Nuclear Waste Repository at Yucca Mountain, Nevada
J.R Dvet and U-Sun Park

Use of a Probabilistic Approach for Determining Compliance with the Environrnental Protection Agency's High-Level Radioactive Waste Disposal Standards
MA. Bauser

EUROPEAN APPLICATIONS OF CHBIICAL PLANT PROBABILISTIC SAFETY ASSESSMENT AND MANAGEMENT

Chair: LGJ. Goossens, Delft Univ. of Technology

Qualitative and Quantitative Safety Assessment Supporting the Process Plants' Design
R. Koivisto and P. Heino

Major Hazards Regulation in the European Community
A. Amendola

Probabilistic Safety Analysis of an Arnmonia Storage Plant
IA. Papazoglou, O. Aneziris, M. Christou, and Z. Nivolianitou

The Application of Risk Assessment Techniques to Offshore Oil and Gas Platfonns-Some Practical Observations
D.P. Mantield, P.D. Michell, and M. Finucane

VULNERABILITY ASSESSMENT FOR DEFENSE APPLICATIONS

Chair: M. Stamatelatos, ASI International

High-Resolution Vulnerability Methods and Applications
PH. Deitz and A. Ozolins

Navy Vulnerability Assessment Methodology
DS. Hall

U.S. Air Force Vulnerability Analysis Techniques and Applications
G. Bennett

Safety and Anning Device Analysis
DS. Hall

HUMAN FACTORS IN THE PROCESS INDUSTRIES

Chair: O. Svenson, Univ. of Stockholm

XEB Analysis of Incidents and Accidents in the Processing Industries
O. Svenson

Shiftwork and Safety-The Irnportance of Shift Scheduling for Safe Operations
K. Dahlgren

MODELING OF FIRE EVENTS AND RESPONSES

Chair:R.L.P.Custer,WorcesterPolyt.Inst.

Uncertamty and Sensitivity Analysis of an Oil and Cable Fire Simulation with the Code CRDLOC
E Hofer, H. Jahn, and B. Krzykacz

A Reliabilitry Analysis by the GO-FLOW Methodology: An Analysis of Emergency Core Cooling System of Marine Reactor under Fire Accident Conditions
T Matsuoka, M. Kobayashi, and K. Takemura

The Development of a Fire Risk Assessment Model (FRAM)
U G B Phlllips

Risk Analysis for Fire Protection Systems in Nuclear Weapon Assembly Plants
J Chang, L. Fry, M. Grant, V. Ho, S. Huang, and L. Yee

SPPLICATIONS OF HEALTH RISK ASSESSMENT METHODS

Chair: D. Okrent, UCLA

Risk Assessments for Nonreactor Nuclear Facilities
O S Wang, J.T. Baxter, GA. Coles, M.R.Harker,LD. Muhlestein, M.V. Shuk,, R J. Van Vleet, and M.D. Zentner

The Rlsks Associated with Metal, Semivolatile, and Volatile Emissions from Hazardous Waste Incinerators
R M Sedrnan and J.R. Esparza

USE OF PSA IN R&DIOACTIVE WASTE REGULATION. II

Chair. A. Nies, GSF Munchen

Early- 1990 Status of Perfommance Assessmenl for the Waste Isolation Pilot Plant Dlsposal System
S.G Berrram-Howery and PA. Swift

The Rlsk Management of Rare Geological Hazards
G Uoo

Prellrnmary Idenefication of Scenarios for the Waste Isolation Pilot Plant, Southeastem New Mexico
R.l . Guzowski

RISK MANAGEMENT IN U.S. DOE FACILITIES

Chair: K MurpSy, USDOE

Reduced-Scope Seismic Analysis Accomplished Using Probabilistic Risk Assessment Techniques
V. Lucero and B.M. Meale

A Revised Rislc Assessment Guide for Explosions at Rocky Flats
L.F. Restrepo

The High Flux Isotope Reactor Probabilistic Risk Assessment and Its Application in Risk Assessment
DH. Johnson, G.F. Flanagan, L.D. Proctor, and MA. Linn

SOFTWARE SYSTEM SAFETY

Chair: N. Leveson, Univ. of California, Irvine

An Application of Fault Tree Analysis to Safety Critical Software at Ontario Hydro
W.C. Bowrnan, G H. Archinoff, V.M. Raina, D.R. Tremaine, and N.G. Leveson

The State of Sofnvare Safety Engineering
A. McKinlay, Vl

Safety Assessment and Management Applied to Software
N.G. Leveson

Embedded System Reliability and Safety Analysis in the UCLA ESSAE Project
S.B. Guarro, J.S. Wu, G.E. Apostolakis, M. Yau

PSA USE IN THE PROCESS INDUSTRIES

Chair: U. Hauptmanns, GRS mbH

Human Factors in the Process Industries
R.G. Baron

Reliability Data for Process Plants
P. Hdrnke and U. Hauptmanns

SCENARIO IDENTIFACATION AND STRUCTURING IN PSA

Chair: S. Kaplan, PLG, Inc.

The HIT Method: A Hazard Identification Technique
HH. Howard and CL. Faust

A.D.M.I.R.A.--An Analyncal Dynamic Methodology for Integrated Risk - - Assessment
S. Senni, M.G. Semenza, and R. Galvagni

Dynarnic Event Tree Analysis-An Application to SGTR
N Siu and C. Acosta

SPACE SHUITLE MAIN PROPULSION SYSTEM RISK ASSESSMENT

Chair: RA. Robitaille, Rockwell International

Integrated Risk Assessment Program for the Space Shuttle
PA. Robitaille and A. Van Leeawen

Digraph MatrrL AnaSysis (DMA)
IJ Sacks 0

Space Shuttle Main Propulsion System Fault Tolerance Model
E A. O'Hern

Data Collection and Database Techniques to Support Quantification of the STS MPS Risk Models
PL. Appignani and J.F. Davis

PSA AND TOXIC SUBSTANCES

Chair: W.E. Kastenberg, UCLA

Assessing Human Exposure to Volatile Organic Compounds Using a Multimedia Transport and Transformation Model
T.E McKone

A Risk and Svstems Approach to Toxic Waste Control
W.E Kasient~erg

Status of Curren Research Projects at the Combustion Research Institute (CRI): Cr(VI) vs Cr(IlI) Emissions; APCD Removal Efficiencies; CRI Stack Emlsslons Database
M.D. Bailif flnd K.E. Kelly

DETERMINISTIC AND PROBABILISTIC MODELS FOR SYSTEM/PROCESS ASSESSMENT AND MANAGEMENT

Chair: S. Guarro, The Aerospace Corp.

Real Time Faull Diagnosis for Process Plants
P. Andow

Hurnan System Interaction Measures: An Approach to Irnprove System Performance
H.S. Biachnan

Modeling Air Combat Decisions with Computational and Structural Representations
T.E. Goldsmilh, D.C. McMahon, and R.W. ScAvaneveldt

QUANTITATIVE ASSESSMENT OF SOFFVVARE RELIABIL1TY AND SAFETY

Chair: M.R. Lyu, Univ. of Iowa

Software Reliability Measurements in the Operational Environment
R.K Iyer and D Tang

Software Reliability Engineering at AT&T
A. Iannino and ].D. Musa

Measuring Reliability of Embedded Software: An Empirical Study with JPL Project Data
M.R. Lyu

HUMAN RELIABILITY: INDIVIDUAL AND ORGANIZATIONAL

Chair: G. Mancini, CEC/JRC Ispra

What Is a Man That He Can Be Expressed by a Number?
E. Hollnagel

A Dynamic Methodology for Evaluating Human Error Probabilities
P.C. Cacciabue and C. Vivalda

A Human Error Taxonomy Based on Cognitive Engineering and Social and Occupational Psychology
S. Bagnara, C. DiMartino, B. Lisanti, G. Mancini, and A. Rizzo

Influence of Organization and Management on Human Errors
B. Wahlstrom

RISK AND RELIABILITY ASSESSMENT FOR DYNAMIC SYSTEMS

Chair: N. Siu, MIT

GO-FLOW: A System Reliability Analysis Methodology
T. Matsuoka and M. Kobayashi

The Sensitivity of Process Control System Interval Reliability to Process Dynamics-A Case Study
M. Belhadj, M. Hassan, and T. Aldemir

Dynamic Reliability Analysis by DYLAM Methodology: The Case of the CVCS of a PWR
P.C. Cacciabue, A. Carpignano, and G. Cojazzi

DEFENSE AND SECURITY PSA APPLICATIONS

Chair: M. Stamatelatos, ASI International

Evaluatmg Arms Control Treaty Verification Regimes: A Risk Analysis Approach
T.A. Edmunds and R.S. Strait

Development of an Integrated Safety Management System for DOE Facilities
M Marchlik and M. Paradies

RISK-BASED REGULATION AND THE LAW

Chair: P. Ricci, UCLA

Institutsona] Response to Environrnental Risk and Safety
R Zirrznerman

Increased Risk in U.S. Law
P.F Ricc, and L.S. Molton

Transboundany Environmental Risk: The Maquiladora Industry at the U.S -Mexico Border
D M Perry and P. Cicero

BROADLY BASED APPROACHES FOR IMPROVING HUMAN RELIABILITY

Chair: P. Cacciabue, CECIJRC Ispra
Integrating Humarl Factors Expertise into the PRA Process
J E U ells and T G Ryan

The Managemenl Assessment Guidelines in the Evaluation of Risk (Managerl Technique
J.C Williarns

FAULT DL~GNOSIS IN DYNAMIC SYSTEMS

Chair: T. Aldemir, The Ohio State Univ.

On-Line Diagnosis of Process and Manufacturing Operations: The Integratlon of Knowledge-Based, Neural Net and Conventional Numeric Approaches
J F Davis, P.R Prasad, J.K McDowell, JR. Whiteley, KS. Kumar, DX Rollirr, DR. Myers, and M.S. Gandikota

Plant Failure Diagnosis by an Automated Fault Tree Construction Consistent with Boundary Conditions
H. Yamashina, II. Kumamoto, and S. Okumura

AIRCRAFT ACCIDENT ANALYSIS AND SYSTEMS

Chair: R. Friedman, NASA/Lewis Research Center
A Bayesian Method for Estimation of Aircraft Crash Frequency
A. Mosleh and S. Kaplan

DEPENDENT FAILURES

Chair: K Flerning, PLG, Inc.

Dependent Failure Analysis in a PSA
KE. Jankala and J.K Vaurio

Unavailability of Systems Subject to Time-Delay Common Cause Failures
F Zikria and A. Mosleh

On the Inclusion of Organization and Management Factors into Probabilistic Safety Assessments of Nuclear Power Plants
J.S. Wu, G. Apostolakis, and D. Okrent

QUANTITATIVE CHEMICAL PLANT RISK ASSESSMENT. I

Chair: M. Brown, AEA Technology

Quantitative Operability Analysis: A Study of a Pressure Regulating Installation on a City Mains
I. Ciarambino, M. Scarrone, and N. Piccinini

Development of an Expert System for Risk Assessment of Complex Oil Production Systems
A Z. Keller, G. Camrnack, and C. Kara-Zaitri

TREATMENT OF UNCERTAINTIES IN SAFETY ASSESSMENT OF RADIOACTIVE WASTE DISPOSAL SYSTEMS

Chair: E-J. Bonano, SNL

Probabilistic Systems Assessments of Radioactive Waste Disposal
B.W. Goodwin

The Treatment of Uncertainty in Future States for Radioactive Waste Disposal Systems
TJ. Swnerling and D.P. Hodgkinson

Treatrnent of Modeling Uncertainties in Total System Safety Assessments
PA. Davis and N.E. Olague

The Formal Elicitation of Expert Judgments for Performance Assessment of HLW Repositories
D. von Winterfeldt, EJ. Bonano, RL. Keeney, and S.C. Hora

DECISION ALTERNATIVES. I ANALYSES

Chair: MA. Azarm, BNL

The Use of Related Samples in Assessing Conformance to Safety Goals: A PRA Example
D.G Brooks

Disaster Scaling: A Multiattribute Approach Based on Fllzzy Set Theory
E Wvler and H. Bohnenblust

A Unified Methodology for Reliability-Based Design of Physical Systems
S.M Carr and G J. Savage

SAFETY ASSESSMENT FOR SOFTWARE EMBEDDED SYSTEMS

Chair: J. Laprie, LAAS-CNRS

Random Tesiing of Reactor Shutdown System Software
S Petrelia, P Michael, W.C. Bowman, S.T. Lim

Developlng a Standard for the Qualification of Software for Safety System Applicatlons
H T Daughtrey, S H. Levinson, and D.M. Kirnrnel

A SimpllEled Approach for Predicting Radionuclide Releases from Light Water Reactor Accidents
H P Nourbakhsh and E.G. Cazzoli

HUMAN RELIABILITY MODELS. I

Chair: EM. Dougherty, SAIC

Issues of Human Reliability in Risk Analyses
E.M Dou›ghern

HRA and the Modeling of Human Interactions 705 G W Parry and B. Lydell A Framework for Enhancement of Human and Organizational Reliability of Complex Technological Systems
N. Meshlzti

On the Irnportance of Modeling Operator Actions in the Individual Plant Evaluations (IPEs)
A Sharon, B.G. Cassidy, and R J. Harnmersley

SYSTEM RELIABILITY ANALYSIS

Chair: J. Vaurio, lmatran Voima Oy

Software for Exact System Reliability Calculations
M.O. Locks, J. Pnnkin, and A. Grim

A Petri Net Approach to Probabilistic Safety Assessment for Obtaining Event Sequences from Component Models
T. Kohda and K Inoue

Redundancy Technique for Fail-Safe Design of Systems
K. Nakashima

Safety and Integrity of Large-Scale Dynarnic Systems and Control Algorithm Structure: The Design Technique
VN. Efanov, V.G. Krymsky, and Y.G. Krymsky

QUANTITATIVE CHEMICAL PLANT RSSK ASSESSMENT. II

Chair: L. Froebe, IT Corp.

CRACEZ: A Radiological Consequence Model with Improved Modeling of Dispersion and Evacuation
K. Woodard, T.E. Fenstermacher, and J. Lewis

PSA OF LOW-LEVEL RADIOACTIVE WASTE

Chair: B.W. Goodwin, AECL

A Tnal Application of a Methodology for the Probabilistic Risk Assessment of Underground Disposal of Radioactive Wastes That Accounts for Long-Terrn Environmental Change
TJ. Sumerling

Probabilistic System Assessment Codes for Radioactive Waste Management: The Contribution of the OECD Nuclear Energy Agency PSAC User Group
DA. Galson, B.G J. Thompson, and A. Nies

Application of Simplified Reliability Methods for Safety Assessment of a Coastal Low-Level Radioactive Waste Repository
S. Teng and C. Lee

PSA IN DESIGN

Chair: J. Meyer, Scientech, Inc.

Application of Probabilistic Risk Assessment Techniques Dunng Design Phase for Dry Storage Casks
B.P. Hallbert, D.G. Satterwhite, and 8M. Meale

Probabilistic Risk Assessment Techniques Help in Identifying Optimal Equipmenl Design for In-Sinl Vitriflcation m
V. Lucero, B.M. Meale, and FI. Purser

Probabilisuc Risk Assessment Techniques Help Identify Potendal Hazards in Vapor Vacuum Extraction
Lucero, TI . Wierman, and F E. Purser

PRA, Desip Bases, and Severe Accidents
J Meyer and D. Bunch

EXPERT SYSTEMS FOR SAFETY ANALYSIS. I

Chair: R. Iyer, Univ. of Illinois

PC-FTA: An Expert System for Fault Tree Construction
M Sckwarzblat, J.C. Baker, J.W. Anderson, and J.E. Smith

Direct Evaluation of Systems Using Expert System Technology
M Modarres

Expert System Reasoning Under Uncertainty
X Yang and D Okrent

Use of Expert Systems in Nuclear Safety
M Dusic

HUMANAN RELIABILITY MODELS. II

Chair: A J. Spurgin, APG, Inc.

An EvaJuatlon of Current Human Reliability Assessment Methods
A J Spvgin and P. Moieni

An Approach for Assessment of the Reliability of Cognitive Response for Nuclear Power Plant Operating Crews
AS Beare, C.D. Gaddy, G.W. Parr~, and A. Singh

Practical Application of Cognitive Models to Human Reliability Analysis
J.R Taylor

Human Reliaoility Assessment in Loviisa 1 PSA
J.K l aurjo and U.M. Vuorio

THE DATA/MODELING INTERFACE

Chair: G. Parry, NUS Corp.

Data Needs for Cornrnon Cause Failure Analysis
G.W. Parry, H.M. Paula, D. Rasmuson, and D. Whitehead

Data Development and Data Analysis Within NASA: Exarnples from a Mot Study
M.V. Frank

The Use of Unusual Occurrence Reports Within the Development of a Dependent Failures Databank
I.K Gibson and R.H. Mattheovs

SEISMIC RISK ANALYSIS

Chair: G. Cwnmings, LLNL

Review of PRA-Based Seismic Analysis of Nuclear Power Plants
R J. Budnitz

Consideration of Seismic Events in Severe Accidents
G B. Kelly, R.M. Kenneally, N.C. Chokshi, and A J. Murphy

Definition of Seismic Hazard for Use in Seismic Risk Assessment
DL. Bernreuter, JB. Savy, and R.W. Mensing

Seismic Risk Analysis of Conventional and Chemical Facilities
M K Ravindra and WH. Tong

HIGH-LEVEL RIOACTIVE WASE PSA

Chair: B.G.J. Thompson, UKDept. of Environment

Parameter Estimation Techniques and Uncertainty in Ground-Water Flow Model Predictions
DA. Zimmerman and PA. Davis

WIPP Performance Assessment: A 1990 Snapshot of Compliance with 40 CFR 191, Subpart B
DR. (RIP) Anderson, M.G. Marietta, and S.G. Bertram- Howery

CAMCON: Computer System for Assessing Regulatory Compliance of the Waste [solation Pilot Plant
R.P. Rechard

DECISION ALTERNATIVES. II APPLICATIONS

Chair: S. Kondo, Univ. of Tokyo

Use of PC-Based Integrated Core Damage Models for Decision Making at Nuclear Power Plants
S.D. Weeraklcody and J. Phillabaum

Risk-Based Priorities for Inservice Inspection of Nuclear Power Plant Components
T.V. Vo, T.T. Taylor, FA. Simonen, SR. Doctor, D.G. Harrison, and B.F. Gore

Generic Risk-Based Inspection Guidance for Auxiliary Peedwater Systems
BE. Gore, T.V. Vo, and D.G. Harrison

Probabilistic Analysis of Safety Management Policies Under Annunciated Alarms
T. Inagaki and K Inoue

EXPERT SYSTEMS FOR SAFETY ANALYSIS. II

Chair: V. Ho, UCL-A

Development of Expert Systems to Support System Reliability Analysis
H. Takahnshi, Y Kisamura, and A. Takahash

Interactmg Expert Systems for Plant Safety Analysis
A Poacet

An Expert System Approach That Can Cope with Uncertainties Including Spurlous Sensor Signals for Fault Diagnoses of Engineered Systems
Q Zhang D Okrent, G. Apostolakis, and S. Guarro

Multlvanate Analysis ARroach to Predicting Event Tirning Based on Temporal Knowledge Base for Application to Computerized System for Radiological Emergency Response
T Ishigam., Y Yarnamoto, T. Hata, F. Kawakabo, and K. Kobayashi

HIJMAN ACTIONS, SIMULATIONS, EXPERIMEN18S, AND APPLICATIONS

Chair: A. Singh, EPRI

Operator Action Sequence Simulation
I C Boy Santucci, and P. Vestrucci

Cognltive Environment Simulation: A Tool for Modeling Operator Cognitive Perforrnance During Emergencies
E M Roth, H E Pople Jr., and D.D. Woods

Interprelation of Simulator Data in the Context of Human Reliability Modeling
A J Spurgzr and P Moieni

STRUCTURAL SYSTEMS RELIABILITY

Chair: C. Guedes Soares, Tech. Univ. Lisbon

Multicntena Event Tree Analysis for Evaluation of Construction Safety
Z.A. Eldukair and B.M. Ayyub

Multiobjective Decision Support Spaces for Optimum Design of Nondetermiriistic Structural Systems
D.M. FranRopol and M. Iizaka

Safety Assessment of Existing Structures
DA. Reed

RISK COMMUNICATION

Chair: J. Ahearne, Sigma Xi

Living with the Risks of Risk Communication
M. Schudson

NUCLEAR POWER PLANT PSA. I

Chair. V. Joksimovich, Accident Prevention Group

Concept and Preliminary Results of the Level 1 PSA for the Brunsbuttel Nuclear Power Station
H. Ohimeyer and B. Schubert

PRA Program on NPP TVO
R. Himanen and A. Toivola

LIVING PSA'S FOR NUCLEAR POWER PLANTS AND DESIGN APPLICATIONS

Chair: W.E:. Vesely, SAlC

PSA as a Safety Improvement Tool for Loviisa NPS
B. MoAsen and J.K Vaurio

Development of the Living PSA System for a Nuclear Power Plant
M. Sanrni, M. Fukada, K Hasegawa, and S. Kojima

EXPERT SYSTEMS FOR SAFETY ANALYSIS III

Chair: Q. Zhang, Tsinghua Univ.

Application of RISKMAN 2.0 to the Beaver Valley Power Station IPE
D J. Wakefield and SA. Nass

Application of Master Plan Logic Diagram tMPLD) PC-Based PTogram in Probabilistic Risk Assessment
J3. Zamanali, M. Modarres, J. Wang, and W. Martschenko

Development of a Computer Aided Success Path Search System
K.S. Jeong, J.O. Yang, T.W. Kim, C.K Park

RIMS-A Softvare Tool for IPE and Accident Management
MA. Stutzke, J.C. Plunkett, and E.M. Dougherty

ACCIDENT INFORMATION MANAGEMENT

Chair: D.A. Powers, SNL

Phenomenological Uncertainties in Severe Accident Management Strategies for PWRs
W.E. Kaslenherg, G. Apostolakis, VX. Dhir, and D. Okrent

CANDU 3 Conceptual Probabilistic Safety Assessment-Insights and Design Decisions
R.K. Jaitly, P J. Allen, JR. Fisher, S. Naman, and H.S. Shapiro

EXPERT JWGMENT IN THE PROCESS BUSTMES

Chair: RM. Cooke, Delft Univ. of Technology

Probil Relations of Hazardous Materials and Expert Opinions
I.H.J. Goossens and FJ. Vogt

Modularizing Fault Tree Uncertainty Analysis: The Treatment of Opendent Infonnation Sources
R. Cooke, H. Meeuwissen, and C. Preyssl, Furopean Space Agene

Two Cases from the Chemical Industry Using Expert Judgment
DE Akicermans, and MA'A J. Claessens

RISK MANAGEMENT FOR THE TRANSPORTATION AND STORAGE OF CHEMICALS. I

Chair: M. Kazarians, A. D. Little, Inc.

RisklEffect Modelling of Inland Waterway Transport Using SADT
L.HS Goossens, P.V. Heirnplaetzer, and W. Heins

Risk Management and Exxon Valdez Oil Spill
V. Jokszrnovich

RISK ASSESSMENT TECHNIQUES FOR HAZARDOUS WASTE INCINERATORS AND ENVIRONMENTAL CONTAMINATION

Chair: V. Covello, Columbia Univ.

The Siting of a Waste Incineration Facility-Perception of Risks and Benefits, Infonnation Needs, and Consequences for Risk Communication
P.M. Wiedernann and H. Schutz

A Stochastic Approach of Soil Environmental Problems: The Methodology and Modelling Approach Illustrated by a Hazardous Waste Site
C.C.D.F. van Ree, J. Taat, G.A.M. van Meurs, and J. van Heteren

Methane Production at UK Landfill Sites-Improving Hazard Asscssment and Communication
R.V. Kemp

Probabilistic Assessment of Off-Normal Emissions from a Rotary KILN Hazardous Waste Incinerator
Y. Zeng and D. O/atent

REGULATORY APPLICATIONS OF PSA. II

Chair: D. Dube, Northeast Utilities

The Use of Probabilistic Safety Analysis in the Regulation of Nuclear Power in the UK
CH. Shepherd

Use of a PRA for Nuclear Plant Operating Configuration Management
E.R. Schmidt, P J. Fulford, and K. JamaZi

MODELS AND METHODS FOR CONTROL SYSTEMS AND OPERATOR AIDS

Chair: R J. Budnitz, FRA

Modeling and Treatment of Recovery Actions in PRAs
P. Moieni, A J. Spurgin, G.W. Parry, and A. Singh

Methods for Evaluation and Companson of Display Indicators
M A. Azarm, F. Hsu, and W.E. Vesely

COGESAIR: An Integrated Computerized Plant Performance Monitoring System
V. Joksimovich, N. Pantich, and JL. Petitclerc

CRIOP: A Method for Evaluation of Offshore Control Centers
O. Ingstad and U. Kjelle'n

INTEGRATING HUMAN RELIABIL1TY ANALYSIS INTO PSA'S

Chair: E. Roth, Westinghouse

The Use of Simulator Data in Human Reliability Analysis: Results from the EPRI Operator Reliability Expenments Program
P. Moieni, G.W. Parry, A J. Spurgin, and A. Singh

Comparison of Risk Sensitivity to Human Ezors in the Oconee and LaSalle PRAs
S. Wong and J. Higgins

The Human Reliability Analysis Results for ASCO NPP-PSA
J. Manoz

METHODS FOR THE RESOLUTION OF COMPLEX PHENOMENOLOGICAL ISSUES

Chair: T. Theofanous, Univ. of California

Probabilistl. Modelling of Reactor Pressure Vessel External Cooling
P. Lundstrom, O. Kymalainen and H. Tuomisto

A Probabilistic Method for the Evaluation of Severe Accident Source Term Uncertainoes
DA. Powers

ROAAM: A Risk-Oriented Accident Analysis Methodology
T.G Theofanous and H. Yan

RISK MANAGEMENT FOR THE TRANSPORTATION AND STORAGE OF CHEMICALS. II

Chair: J. Wells, LLNL

Catastrophic Transportation Accidents and Hazardous Materials Routing Decisions
T.S. Glickman and EI.D. Sherali

Assessment and Evaluation of Risk Associated with the Transport of Anhydrous Ammonia in France
P. Buberl P. Pages, and P. Lamblin

The Appllcatson of Probabilistic Risk Assessment Techniques to the Storage, Handling and Processing of Ammunition and Explosives .
M1. Brou n and JA. Edmondson

Characlenzatlon of Two-Phase Releases
P.F holar,, GA' Pettitt, and N.R. Hardy

The Systems c f Decision Making in Case of Sea Accidents
A S Levchenlkov, A A. Prosin, and B 7. Drachev

ME THODS, APPLICATIONS, AND INSIGHTS OF PSA

Chair. D.C. Bley, PLG, Inc.

Underestimatmg Risk in Probabilistic Risk Analysis Due to Model Simpliflcatlon
D. W Henneke and L J. Marker

Quality Assurance of Technical Adequacy for ASCO NPP-PSA
VA. Lloren.

TECHNOLOGY APPLICATIONS IN AEROSPACE. I

Chair: B. Buchbinder, NASA

NASA Efforts in Risk and Reliability Data Base Development
J.R. Fragola

Space Nuclear Reactor Diagnosis: Knowledge Based Approach
Y.D. Ting and D. Okrent

Derivation of Maximum Probable Losses for Commercial Launch Operations
R.K. Gress

NUCLEAR POWER PLAM MABG EVEM F REQUENCY ESTIMATES AND NONPOVVER MODE PSA

Chair: A. Dykes, PLG, Inc.

Initiating Event Analysis for a BWR Low Power and Shutdown Accident Frequency Assessment 1251
T.M. Hake and D.W. Whitehead

Success Critena Development for the Savannah River Plant K Reactor
J1. Darby and P.Y. Pan

Denved Estimates for Generic LOCA Frequencies
K. Jarnali

MODELING OF AGING. I

Chair: R.W. EIockenbury, RPI

Methods for Bayesian Aging Analysis
V.M. Bier, D.C. Bley, and DS. Johnson

Developments in Probabilistic Risk Evaluation of Aging
W.E. Vesely and M. Hassan

FOUNDATIONAL ISSUES

Chair: C. Clarotti, ENE:A

Formalisms for Handling Phenomenological Uncertainties: The Concepts of Probability, Frequency, Variability, and Probability of Frequency
S. Kaplan

Fuzzy Risk Analysis of Engineering Invesenent by Hierarchical Systems Approach
L. Shaopei and Z Zhongmin

METHODS FOR ACUTE AND CHROMC RISK ASSESSMENT FOR TOXIC CHEMICALS

Chair: A.W. Barsell, and T. Copeland, Woodward-Clyde Consultants

Use of Acutc Toxicity Data in Risk Assessment of Accidental Rcleases
G. Alexeeff, M. Lipsett, and D. Lewis

NUCLEAR POWER PLANT SUPPORT SYSTEMS/INTERFACING LOCA'S

Chair: D. Orvis, Accident Prevention Group

Interfacmg System LOCA Risk Assessment: Methodology and Application
WJ Gajyean, JA. Schroeder, and D J. Hanson

A Method for Quantifying PSA Accident Sequences for "Complex" Initiating Events
TL Zimmerrnan and L J. Marker

Safety Importance of Service Water Events in Nuclear Power Plants 1315
D C. Blev, D.H. Johnson, and WB. Realand

RAM AND RISK MANAGEMENT IN THE AEROSPACE INDUSTRY

Chair E. Kuja~9ski, Lockheed Missiles and Space Company

Cnticality Assessment Approach for Space Station Project
F Pl zano

NUCLEAR POWER PLANT PSA. IV. LEVEL 2: SOURCE TERM AND CONTAINMENT

Chair: M. Frank, Safety Factor Associates

MELCOR Modeling of the PBF Severe Fuel Damage Test 1-4
I.K Madni

Quantltative Analysis of Potential Improvements for the Dry Pressurized Water Reactor Containment
DL. Kells, D J. Pafford, JA. Schroeder, and K.R. Jones

Risk and Off-Site Consequences-Post-Chernobyl Developments
U Tveten

Fission Product Release Following a Severe Accident in Medium Sized HTGRs
J Tzoref, S Ron, and J. Szabo

MODELING OF AGING. II

Chair: V.M. Bier, Univ. of Wisconsin

Aging Effects of Core Melt Frequencies
C J. Childs and R.W. Hoclcenbury

Identification of a Bathtub Failure Rate from Censored Data
M.V. Aarser

On the Diagnosis of Aging Failures using Infrared Thermography
A. Madrid

Application of a Bayesian Aging Model to Predict Steam Generator Plugging Rates
AA. Dykes, J A. Mundis, and DA. Bilisell

APPLICATIONS OF FUZZY SET THEORIES

Chair: L. Duckstein, Univ. of Arizona

Fuzzy Nature of Human Reliability Behavior
K.-Y. Cai, C.Y. Wen, and M.-L. Zhang

Application of Fuzzy Set and Probability Theory to Data Uncertainty in Long Term Safety Assessment of Radioactive Waste Disposal Systems
A. Nies aruS L. Camarinopoulos

The Use of Probabilistic and Non-Probabilistic Models for the Combination of Expert Opinions
J.S. Wu, G. Apostolakis, and D. Okrent

FACILITIES HAZARDOUS MATERIALS RISK MANAGEMENT

Chair: J. Kopecek, Tracer Technologies, Inc.

Analytical Methods Applicable to Risk Assessment and Prevention Program
J.T. Kopecek

Chemical Risk Management: Are We Safer and Who Wants to Know
R.C. Anderson

MARKOV MODELS IN SAFETY WORK

Chair: I. Papazoglou, Research Center "Demokritos"

On the Need of Markovian Reliability Analysis
I A. Papazoglou

Approximate Evaluation of Generalized Markov Health Models of Fault Tolerant Aerospace Systems
NM. Wereley and B.K. Walker

Why Markovian Techniques Were Used in EDF's PSA of Paluel?
AD. Charnbardel

Utilization of the Cell-to-Cell Mapping Technique to Construct Markov Failure Models for Process Control Systems
T. Alderrur

TECHNOLOGY APPLICATIONS IN AEROSPACE. II

Chair: E. Faeder, The Jeffierson Group

A Statistical Approach for Risk Management of Space Shuttle Main Engine Components
F.M Safie

HIERARCHICAL METHODS IN PSA APPLICATIONS

Chair: A. Amendola, CECIJRC Ispra

Incorporation of Analytic Hierarchy Process Methodology with Probabilisuc Safety Assessment for Consistent Decision Making
M. Kitarr ura, T. Washio, H. Takahashi, and K Sugiyama

Declsion Support for Operability Improvement and Maintenance Planning by Analyoc Hierarchy Process Methodology
T. Washis Y. Kitarnura, H. Takahash, and M. Kitamara

The System-Based Methods in the Automation of the Decision-Making Processes for Management
I.U Usupov

AVAILABILITY AND MAtNTAINABILITY ASSURANCE

Chair: R. Fullwood, BNL

New Rellabillty Performance Parameter for Peaking Power Plants
B.W Johnson, T. Whitehead, P. Derenthal, R. Frischrnuth, and SvA. Boccu zi

UNCERTAINTY ANALYSIS

Chair: J.S. Wu, UCLA

Informaiion-Theoretic Approach to Uncertainty Lmportance Analysis
C.K. Park

Graph-Theoreiical Second-Moment Modelling
G J. Savage S. Carr, and J. Gao

On the Quantification of Model Uncertainty
S. Chiubber, G. Apostolakis, and D. Okrent

Evaluation of Risk and Proxirnity of Probability Distnbutions
V1. Rotar

RISK METHODOLOGY

Chair: TL. Chu, BNL

ProbabilistiC Safety Assessment Using Event Tree Analysis and Fault Tree Analysis Considering Time Dependency
T. Kohda, M. Wada, and K. Inoue

CCPS Guidelines for Process Equipment Reliability Data
G.R. Van Sciver

Pooling of Multi-Source Information in the Context of Linear Models
C.C. Parisetti, L. Olivi, and F. Pesarin

A Systematic Method for Breaking Logic Loops in Fault Tree Analysis
R. Andsten and J. Vaurio

NUCLEAR POWER PLANT APPLICATIONS

Chair: P. Mobeni, Accident Prevention Group

PRA Applications: Lessons Learned to Date
H. Filacchione and J. Meyer

On Combining the Generic Failure Rate Data for Probabilistic Risk Assessment
MA. Azarm and TL. Chu

An Approach for Selecting Safety Class Items
J M. Low

Probabilistic Safety Measures for Assessment of DOE Nuclear Reactor Facilities
M. Khatib-Rahbar and K Murphy

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