ISO 11320:2011 Preview

Nuclear criticality safety -- Emergency preparedness and response

ISO 11320:2011 provides criteria for emergency preparedness and response to minimize consequences due to a nuclear criticality accident. The criticality safety of operations are evaluated in accordance with ISO 1709.

ISO 11320:2011 applies to a site with one or more facilities which might contain significant quantities and concentrations of fissile material. The extent to which ISO 11320:2011 needs to be applied depends on the overall criticality risk presented by the facilities at the site.

ISO 11320:2011 does not apply to off-site transport and transit storage of packages with fissile material.

ISO 11320:2011 does not apply to sites with operating nuclear power plants or to facilities with research reactors which are licensed to become critical or near-critical, provided that there are no operations with fissile material external to the reactor for which a credible criticality accident risk exists. ISO 11320:2011 can be applied to such sites and facilities in specific cases, if supported by site management and by licensing authorities.


General information

  • Current status : Published
    Publication date : 2011-10
  • Edition : 1
    Number of pages : 9
  • :
    ISO/TC 85/SC 5
    Nuclear installations, processes and technologies
  • 27.120.30
    Fissile materials and nuclear fuel technology

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By Sandrine Tranchard on
New ISO standard to prepare for emergencies at nuclear facilities
If a nuclear criticality accident occurs at nuclear facilities, it is not only essential to respond as quickly as possible but more importantly, to have prepared such emergency response. The new ISO standard, ISO 11320:2011, Nuclear criticality safety – Emergency preparedness and response, provides criteria...

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