State Committee of the USSR for Hydrometeorology and Environmental Control Secret To the Minister of Health of the USSR Comrade E I Chazov On the radiation situation caused by the accident at the Chernobyl NPP Nuclear Power Plant The radiation situation in the territory of the USSR has stabilized during the period of the 15 to the 30 of June it did not change significantly and is presented on the attached map th th In Kyiv the level of radiation on the ground as of July 1 amounts to an average of 0 025 st mr hour miliroentgen per hour in Chernobyl- 0 22mr hour Polesskoye- 0 13 mr hour Korsoten0 06 mr hour in Bragin- 0 5mr hour Nikolaevka and Zlynka Bryansk oblast - 0 5 and 0 35 mr hour respectively The level of radiation on the ground in the city of Pripyat amounts to 0 7-3 3 mr hour The total beta-particle activity of the water samples from the Kyiv water reservoirs and rivers of the Prydniprovsky basin did not exceed the permissible levels established by the Ministry -9 2 of Health of the USSR on May 30 1 10 Cu kilometer th As directed by the order of June 24 1987 a commission composed of Y A Israel N F Lukonin E I Chazov A P Lyashko M V Kovalev F A Tabeev S F Akhromeyev and E I Sizenko reviewed the radiation situation in the Mogilev Gomel Bryansk and Kyiv regions and formulated corresponding conclusions and recommendations The commission's report was submitted on July 1 1987 to the Central Committee of the Communist Party of the Soviet Union and to the Council of Ministers of the USSR The radiation situation in Moscow remains favorable Appendix map 2283s copy no 4 1 l secret Copies not retained by this office Chairman of the State Committee Y A Israel Elevated risk relocate ASAP- take safety precautions Elevated Risk- Safe short-term habitation only Safe short-term - Safe mediumlong term Safe medium-long term Safe medium-long term Radiation Situation at 1 pm on July 1 1987 30 km zone around the NPP Radiation Levels in mR h 0 5- 0 25 0 25-0 1 0 1-0 05 0 05-0 03 less than 0 03 Scale 1 5 000 000 at 1 cm- 50 km Source Russian and Eastern European Documents Database Russian State Archive of Contemporary History Fond 89 p 56 d 10 Converter Reference https www translatorscafe com unit-converter en radiation 2328 millisievert%2Fhour-microroentgen%2Fhour Translated by Sarah Dunn for the National Security Archive This document is from the holdings of The National Security Archive Suite 701 Gelman Library The George Washington University 2130 H Street NW Washington D C 20037 Phone 202 994-7000 Fax 202 994-7005 nsarchiv@gwu edu