Ethics in Radiological Protection - IRPA thu dochart gonzalez F3.1.4.pdf · Ethics in Radiological...
Transcript of Ethics in Radiological Protection - IRPA thu dochart gonzalez F3.1.4.pdf · Ethics in Radiological...
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Radiation Protection Philosophy
Ethics in Radiological Protection
Abel J. GonzálezVice-Chair of the International Commission on Radiological Protection (ICRP)
Member of the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR)
Member of the Commission of Safety Standards of the IAEA
Autoridad Regulatoria Nuclear; Av. del Libertador 8250; (1429)Buenos Aires, Argentina +54 1163231758; [email protected]
13th International Congress of the International Radiation Protection Association
Session F3.1 Ethics and Values (NEA/ICRP)
SECC, Glasgow, Scotland, U.K.; Thursday, May 17th, 2012
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Philosophy of radiation protection
1. Metaphysics
(Discovering the nature of radiation and its effects)
2. Epistemology
(Figuring out what is “known”)
3. Ethics
(Deciding what is “right”)
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Epistemology of radiation protection
• …is concerned with the theories of
knowledge of radiation and its health
effects, especially with regard to their
methods, limits, validity, and scope.
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Epistemology
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Ethics of radiation protection
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Ethics of radiation protection
• …is concerned with the morality of the
radiation protection principles.
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Radiation protection ethics: a long tradition
• 1957 Taylor’s Philosophy of radiation protection
• 1992 G. Silini’s Sievert Lecture
• 2000 Workshop of the Swedish RP Institute.
• 1999 ICRP Pub.82, §(D.3)
• 2002 IAEA-TECDOC-1270
• 2005 UNESCO ‘precautionary principle’
• 2008 NEA-OECD Workshop, Finland
• 2009 NEA-OECD Workshop, Vaulx de Cernay
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Orientations on Ethics
• Societal oriented
• Individual oriented
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Fundamental Doctrines on Ethics
• Teleological Ethics (consequence)
• Utilitarian Ethics (utility)
• Deontological Ethics (based on duty)
• Aretaic Ethics (based on virtue)
SO
CIE
TA
LIN
DIV
IDU
AL
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Teleological
(consequence)
Utilitarian
(utility)
Deontological
(duty)
Aretaic
(virtue)
Doctrines on
Ethics
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The ethical doctrines
vis-à-vis
protection
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Teleological Ethics
(based on consequence)
‘Mind the good ends, which justify the means’
• The morality of protective actions should be
judged against its overall consequences.
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Utilitarian Ethics
(based on utility)
‘Do the greatest good for the greatest number of people’
• The morality of protective actions should be judged
against its contribution to the overall utility, namely to the
best welfare among all people.
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Deontological Ethics
(based on duty)
‘It is impermissible to kill one person to harvest good’
‘Not do unto others what they should not do unto you’
• The morality of protective actions should be
judged by the duty to protect individual
human beings, rather than by their overall
consequences or utility.
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Aretaic Ethics
(based on virtue)
‘Do good that will not be returned’
• The morality of protective actions should be
judged by their virtuosity rather than their
consequences, utility or duty.
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Teleological(consequence)
Mind the ends, which
justify the means
Utilitarian(utility)
Do the greatest good
for the greatest
number of people
Deontological(duty)
Not do unto
others what they
should not do
unto you
Aretaic(virtue)
be virtuous, i.e. do
good that will
not be returned
Ethical
Aphorisms
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The principles of radiological
protection
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The principles of radiation protection
• The Principle of Justification of Actions
• The Principle of Optimization of Protection
• The Principle of Restriction of Individual Exposure
• Intrinsic value of prudence: Principle of Protection of
Present and Future Generations and their Environment
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http://www-pub.iaea.org/MTCD/publications/PDF/Pub1273c_web.pdf
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S
Safety Principles
1: Responsibility for safety
2: Role of government
3: Leadership and management for safety
4: Justification of actions
5: Optimization of protection
6: Limitation of risks to individuals
7: Protection of present and future generations
8: Prevention of accidents
9: Emergency preparedness and response
10: Protective actions to reduce existing or unregulated radiation risks
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The Principle of Justification
Any decision that alters the radiation exposure
situation should do more good than harm.
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Justification
(good) > (bad)
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Electricity(good)
(good) > (bad)
Radioactive discharges
(bad)
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Justification of severe
countermeasures,
such as evacuation
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The Principle of Optimization of Protection
Protection should be the best under the
prevailing circumstances
(The likelihood of incurring exposure, the number of people exposed, and the
magnitude of their individual doses should all be kept as low as reasonably
achievable, taking into account economic and societal factors.)
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Radiation
Detriment
Social
Detriment
Radiation Detriment
+
Social Detriment
RP leveloptimal
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The Principle of Individual Restrictions
Doses and risks to any individual should not exceed
appropriate limits, constrains or reference levels
depending on the exposure situation.
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31 July, 2015 30Wastes
Hospitals
IndustryTransport
Mining
Nuclear power
Industry
Limits,
constraints,
reference level
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Intrinsic Value:
Protection of Present and Future
Generations and their Environment
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31 July, 2015 32
Doses after 1 year of practice
D
t1st year 2ndyear
3rd year …. … …. nth year
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31 July, 2015 33
Doses after 2 years of practice
D
t1st year 2ndyear
3rd year …. … …. nth year
2ndyear
3rdyear4thyear
….…
….
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31 July, 2015 34
Doses after 3 years of practice
D
t1st year 2ndyear
3rd year …. … …. nth year
2ndyear
3rdyear4thyear
….…
….
3rd year
4th year
5th year….
…
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LIMITATION
EQUILIBRIUM: BUILD-UP
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Protection of the Environment
• Maintaining biological diversity,
• Ensuring the conservation of species, and
• Protecting the health and status of natural
habitats, communities, and ecosystems
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Justification
of Actions
Optimization
of ProtectionIndividual
Restrictions
Intrinsic value:
Prudence(commitment
&
environment)
Protection
Principles
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Teleologism (consequences)
• The morality of
protective actions
should be judged
against its overall
consequences.
• Any decision that
alters the radiation
exposure situation
should do more good
than harm
Justification
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Utilitarianism(utility)
• The morality of
protective actions
should be judged
against its contribution
to the overall utility,
namely to the best
welfare among all
people.
• The level of radiation
protection should be
the best under the
prevailing
circumstances,
maximizing the margin
of benefit over harm.
Optimization
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Deontologism(duty)
• The morality of
protective actions
should be judged by
the duty to protect
individual human
beings, rather than by
their overall
consequences or
utility.
• Inequitable protection
options should be
prevented by
restricting individual
doses (dose limits,
constraints and
reference levels)
Individual
Protection
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Aretaicism
(virtue)
• Protection should be
provided to both,
present and future
generations and their
environment, against
scientifically plausible
radiation harm even if
it is uncertain.
• The morality of
protective actions
should be judged by
their virtuosity rather
than their
consequences, utility
or duty.
Precaution
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Justification=
Teleology(consequence)
Optimization
=
Utilitarian(utility)
Individual
Restrictions
=
Deontology(duty)
Prudence
=
Aretaic(virtue)
Ethics
of
Protection
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Justification=
Teleology
Optimization
=
Utility
Individual
Restrictions
=
Deontology
Prudence
=
Aretaic
Proud
of RP
Ethics!
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+541163231758
Av. del Libertador 8250
Buenos Aires, Argentina
Than you for
your tolerance!