Soviet Union. Committee for State Security (KGB)

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.

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.

This document discusses weaknesses in the technical designs of nuclear power plants in the USSR and their potential consequences, concluding that the Leningrad, Kursk, and Chernobyl plants are extremely dangerous.

This document summarizes the specialists' report on the lack of reliability of the reactors at Chernobyl, citing that the lack of protective layers and other structural flaws in the reactor that could lead to radioactive contamination and accidents.

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.