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Digital Archive International History Declassified

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  • April 30, 1986

    Deputy Head of the 6th Department of the KGB Administration Lieut. Col. Aksenov, 'Notice of Emergency Incident'

    This document relays data received from chemical protection troops on radioactivity levels in Pripyat.

  • May 02, 1986

    Deputy Head of the 6th Department of the KGB Administration Lieut. Col. Aksenov, 'Notice of Emergency Incident'

    The document describes levels of radiation in the immediate area, populations which may have been affected, and steps which have been taken in the first few days following the incident.

  • May 03, 1986

    Deputy Head of the 6th Department of the KGB Administration Lieut. Col. Aksenov, 'Notice of Emergency Incident'

    This note explains the processes of localizing the effects of the accident, lead deposits in the area, and the evacuation of collective farms and the city of Chernobyl.

  • May 04, 1986

    KGB’s Report on Options of Chernobyl Nuclear Disaster Elimination

    Physicists at the Academy of Sciences give advice for containing the Chernobyl nuclear disaster.

  • May 08, 1986

    Notice: Information from Places of Evacuation

    Two weeks after the accident, an unnamed KGB officer from the Ukrainian SSR reports on the situation in evacuation sites, the sentiment of local people, the situation in transportation hubs and at key industrial facilities in Kyiv, as well as about the measures taken to prevent foreign journalists from gathering information about the case.

  • May 16, 1986

    Report on Radiation Situation. Secret. Signed by Experts A.V. Produnov and G.V. Yeremin

    Radiation levels in Pripyat and the surrounding area following the Chernobyl nuclear disaster.

  • July 08, 1986

    Inventory of Information Subject to Classification on Issues related to the Accident in Block # 4 of the Chernobyl Atomic Energy Station (ChAES)

    The document lists extent to which various information related to Chernobyl which should be classified, and for what reasons certain items may be shared.

  • August, 1986

    Lieutenant-General S. N. Mukha to Army General V. M. Chebrikov, 'On Inadequacies in the Organization of the Use of Military Personnel involved in the Elimination of the Consequences of the Accident at the Chernobyl Atomic Energy Station'

    A report on how military personnel involved in the response to the Chernobyl accident are being improperly managed at the site, leading to inefficiencies in the cleanup process.

  • August, 1986

    Committee for State Security (KGB), 'About Results of Intelligence Activities to Note Indicators for a Surprise Nuclear Missile Attack'

    This report from the KGB contains results from intelligence activities conducted in August 1986 aimed at exposing indicators of a surprise nuclear missile attack on the USSR.

  • August 28, 1986

    KGB’s Report Operational Disorder in Organizing Activities Aimed at Chernobyl Nuclear Disaster Elimination

    This document describes the deficiencies which were made in activities aimed at overlapping of Chernobyl disaster’s consequences. These deficiencies could lead to new victims because the security rules of handling with dangerous radioactive materials were broken.

  • August 30, 1986

    Order from the Chair of the Committee of State Security [KGB] of the USSR, 'On Measures to Strengthen the Counter-Intelligence Work at Atomic Energy Units in connection with the Accident at the Chernobyl Atomic Energy Station'

    The Chairman lists a series of directives and responses to the Chernobyl incident, addressed to different levels of KGB cadre, discussing ways to strengthen standards at nuclear power facilities, calling for increased responsibility for the failure of local KGB staff to inform the central command on plant issues, recommending that specialists be pulled in to ensure the safety of nuclear facilities going forward, and implementing more intense oversight at all nuclear plants and scientific research facilities to ensure that issues which may lead to accidents are known.

  • September, 1986

    Committee for State Security (KGB), 'About Results of Intelligence Activities to Note Indicators for a Surprise Nuclear Missile Attack'

    This report from the KGB contains results from intelligence activities conducted in September 1986 aimed at exposing indicators of a surprise nuclear missile attack on the USSR.

  • September 30, 1986

    Order of the Committee of State Security [KGB] of the USSR

    These documents contain information regarding acceptable levels of radiation on individuals, in foods, as well as on roads, clothing, and equipment.

  • October, 1986

    Committee for State Security (KGB), 'About Results of Intelligence Activities to Note Indicators for a Surprise Nuclear Missile Attack'

    This report from the KGB contains results from intelligence activities conducted in October 1986 aimed at exposing indicators of a surprise nuclear missile attack on the USSR.

  • December, 1986

    Committee for State Security (KGB), 'About Results of Intelligence Activities to Note Indicators for a Surprise Nuclear Missile Attack'

    This report from the KGB contains results from intelligence activities conducted in December 1986 aimed at exposing indicators of a surprise nuclear missile attack on the USSR.

  • December 24, 1986

    Letter, KGB Chairman Chebrikov to East German Minister for State Security Mielke

    This letter by KGB Chairman Chebrikov responds to an earlier letter sent by East German Minister for State Security Mielke. In it, Chebrikov agrees to the proposed meeting between the MfS and the KGB on the subject of a sudden nuclear missile attack on the states of the socialist community.

  • January, 1987

    Committee for State Security (KGB), 'About Results of Intelligence Activities to Note Indicators for a Surprise Nuclear Missile Attack'

    This report from the KGB contains results from intelligence activities conducted in January 1987 aimed at exposing indicators of a surprise nuclear missile attack on the USSR.

  • 1987

    KGB, Information Nr. 2742 [to Bulgarian State Security]

    The Soviet KGB seeks Bulgaria's support with "active measures" relating to the origins of the AIDS virus as well as the Strategic Defense Initiative (SDI).

  • February, 1987

    Committee for State Security (KGB), 'About Results of Intelligence Activities to Note Indicators for a Surprise Nuclear Missile Attack'

    This report from the KGB contains results from intelligence activities conducted in February 1987 aimed at exposing indicators of a surprise nuclear missile attack on the USSR.

  • February 03, 1987

    Intelligence Message on the Chernobyl Accident

    This translation of a French brochure about the nuclear accident at Chernobyl was provided by an undercover KGB agent. The brochure discusses the reasons for the accident and compares Chernobyl and Soviet style plants to those in the West, concluding that the French and American reactors possess superior safety standards.