Editing Chernobyl exclusion zone (section)

==== 10-kilometre and 30-kilometre radius ====
{{For|details of the evacuation after the disaster|Chernobyl disaster#Evacuation}}
The Exclusion Zone was established on {{Start date|df=yes|1986|05|02}} soon after the Chernobyl disaster, when a [[Soviet]] government commission headed by [[Nikolai Ryzhkov]]<ref name="Oskolkovetal">{{Cite conference|last1=Bondarkov|first1=Mikhail D.|last2=Oskolkov|first2=Boris Ya.|last3=Gaschak|first3=Sergey P.|last4=Kireev|first4=Sergey I.|last5=Maksimenko|first5=Andrey M.|last6=Proskura|first6=Nikolai I.|last7=Jannik|first7=G. Timothy|year=2011|title=Environmental Radiation Monitoring in the Chernobyl Exclusion Zone - History and Results 25 Years After|location=US|publisher=Savannah River National Laboratory / Savannah River Nuclear Solutions}}</ref>{{rp|4}} decided on a "rather arbitrary"<ref name="marples1988" />{{rp|161}} area of a {{Convert|30|km||0|adj=on}} radius from Reactor 4 as the designated evacuation area. The 30&nbsp;km Zone was initially divided into three subzones: the area immediately adjacent to Reactor 4, an area of approximately {{Convert|10|km||0|abbr=on}} radius from the reactor, and the remaining 30&nbsp;km zone. Protective clothing and available facilities varied between these subzones.<ref name="marples1988" />

Later in 1986, after updated maps of the contaminated areas were produced, the zone was split into three areas to designate further evacuation areas based on the revised dose limit of 100&nbsp;[[Sievert|mSv]].<ref name=Oskolkovetal />{{rp|4}}
*the "Black Zone" (over 200&nbsp;μSv·h<sup>−1</sup>), to which evacuees were never to return
*the "Red Zone" (50–200&nbsp;μSv·h<sup>−1</sup>), where evacuees might return once radiation levels normalized
*the "Blue Zone" (30–50&nbsp;μSv·h<sup>−1</sup>), where children and pregnant women were evacuated starting in the summer of 1986
Special permission for access and full military control was put in place in late 1986.<ref name="marples1988" /> Although evacuations were not immediate, 91,200 people were eventually evacuated from these zones.<ref name="mould2000" />{{rp|104}}

In November 1986, control over activities in the zone was given to the new production association ''Kombinat''. Based in the evacuated city of Chernobyl, the association's responsibility was to operate the power plant, decontaminate the 30&nbsp;km zone, supply materials and goods to the zone, and construct housing outside the new town of [[Slavutych]] for the power plant personnel and their families.<ref name="marples1988" />{{rp|162}}

In March 1989, a "Safe Living Concept" was created for people living in contaminated zones beyond the Exclusion Zone in Belarus, Ukraine, and Russia.<ref name="Petryna" />{{rp|p.49}} In October 1989, the Soviet government requested assistance from the [[International Atomic Energy Agency]] (IAEA) to assess the "Soviet Safe Living Concept" for inhabitants of contaminated areas.<ref name="Petryna" />{{rp|p.52}} "Throughout the Soviet period, an image of containment was partially achieved through selective resettlements and territorial delineations of contaminated zones."<ref name="Petryna" />{{rp|p.49}}