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3/18/2013

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3/18/2013
3/18/2013
Stephanie Morrow, Ph.D.
Safety Culture Program Manager
Nuclear Regulatory Commission
G. Kenneth Koves, Ph.D.
Principal Program Manager
Institute for Nuclear Power Operations
March 14, 2013
TH36 – The NRC’s Safety Culture Policy Statement: Domestic and
International Initiatives
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• Increased global
emphasis on
safety culture
• NRC and INPO
contributing
through research
and interaction
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Memorandum of Agreement
between
Nuclear Regulatory Commission and
Institute for Nuclear Power Operations
December 10, 2007
“…desire for a continuing and cooperative
relationship in the exchange of experience,
information, and data related to the safety
and security of nuclear power plants.”
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3/18/2013



INPO collected data from personnel at 97% of
operating nuclear power plants in United States
Independent INPO and NRC analyses found
statistically significant relationships between
safety culture survey results and measures of
plant performance
Factors identified in survey show reasonable
alignment to the traits in the NRC’s Safety
Culture Policy Statement
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Safety Culture Survey Factors
Management
Responsibility for Safety
Questioning Attitude
Supervisor Responsibility
for Safety
Safety Communication
Established Performance Measures
-.44*
Number of Inspection Findings
with Cross-Cutting Aspects at
a plant per year
-.41*
Number of Allegations
reported to the NRC from plant
personnel per year
-.40*
Rate of Human Performance
Errors per year
-.35*
Number of Unplanned Scrams
at a plant per year
*Correlations are statistically significant (p < .05).The
size of the correlations indicate medium effect sizes in
the social sciences.

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IAEA Global Safety Culture Questionnaire
◦ INPO providing guidance on lessons learned from
developing survey items in U.S.
◦ NRC suggesting methodology for evaluating the
validity of the survey

IAEA Action Plan on Nuclear Safety
◦ NRC and INPO presented to the G8 Nuclear Safety
and Security Group
◦ NRC participating in International Experts Meetings
to develop implementation strategy for Action Plan
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

Common Language Workshop panelists
developed detailed safety culture framework for
power reactors
INPO revised safety culture guidance documents
◦ Performance Objectives & Criteria
◦ Traits for a Healthy Nuclear Safety Culture (Previously
Principles for a Strong Nuclear Safety Culture)
◦ Addendum I – Examples
◦ Addendum II – Cross-references

At least three nuclear vendors have used the SC
survey as part of assessments
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
Traits for a Healthy Nuclear Safety Culture
◦ World Association of Nuclear Operators (WANO) has
proposed using the Traits as their safety culture
guidance document
◦ INPO discussing with AREVA US leadership to apply the
Traits to AREVA US

INPO Safety Culture Survey
◦ Bruce Power (Canada) working on version of survey for
corporate support organizations
◦ Additional nuclear vendors plan to use the survey
◦ WANO Paris Center may use as a pre-evaluation survey
◦ EDF Energy (UK) may use survey as an annual
assessment
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
Morrow, S. & Barnes, V. (2012). Independent
Evaluation of INPO's Nuclear Safety Culture Survey
and Construct Validation Study. Nuclear
Regulatory Commission. ADAMS Accession No.
ML12172A093. Available at
http://pbadupws.nrc.gov/docs/ML1217/ML1217
2A093.pdf

Traits of a Healthy Nuclear Safety Culture.
Institute for Nuclear Power Operations, 12-012,
December 2012. Contact Ken Koves
([email protected]) for a copy.
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