epr-method (2003) - IAEA Publications - International Atomic Energy ...

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A6 – PROTECTING EMERGENCY WORKERS Threat category Responsibility
Elements I II III IV V O L N
A6.5 Adopt national guidance that is in compliance with international standards for managing, controlling
and recording doses received by emergency workers (see Appendix 3). Include operational levels of dose
for emergency workers for different types of response activities, which are set in quantities that can be
directly monitored during the performance of these activities (such as the integrated dose from external
penetrating radiation). In setting the default operational levels of dose for emergency workers, consider
the contributions to doses via all exposure pathways (4.60).
These operational levels should be developed using methods consistent with Ref. [18]. The anticipated
dose from external exposure and inhalation and effectiveness of the protective equipment provided should
be considered in the development of the operational levels.
Provide plain language description of the risk from exposure greater than 500 mSv that would allow
emergency workers to make informed decisions concerning volunteering for tasks for which doses above
500 mSv are possible (see Element A10.6).
A6.6 Identify the anticipated hazardous conditions in which emergency workers may be required to
perform response functions on or off the site (4.61).
Include areas where operators’ actions such as manipulation of valves, sampling or maintenance are
needed during the response to an emergency (see Element A3.6). Provide for safe operations (e.g.
shielding in advance) if needed to allow safe operations in these areas following an emergency. Include
consideration of potential hazards such as heat, steam, poor visibility, toxic gases, heights, and strenuous
activities in addition to radiation exposure.