The Truth About Chernobyl The Truth About Chernobyl The Truth About Chernobyl is a 1991 book by Grigori Medvedev. Medvedev served as deputy chief engineer at the No. 1 reactor unit of the Chernobyl Nuclear Power Plant in the 1970s. At the time of the Chernobyl disaster in 1986, Medvedev was deputy director of the main industrial department in the Soviet Ministry of Energy dealing with the construction of nuclear power stations. Since Medvedev knew the Chernobyl plant well, he was sent back as a special investigator immediately after the 1986 catastrophe. In his book, Medvedev provides extensive first-hand testimony, based on many interviews,
Chernobyl disaster phase" and would not dissolve for 800–1000 years. Guidelines for levels of radioiodine in drinking water were temporarily raised to 3,700 Bq/L, allowing most water to be reported as safe, and a year after the accident it was announced that even the water of the Chernobyl plant's cooling pond was within acceptable norms. Despite this, two months after the disaster the Kiev water supply was abruptly switched from the Dnieper to the Desna River. Meanwhile, massive silt traps were constructed, along with an enormous 30m-deep underground barrier to prevent groundwater from the destroyed reactor entering the Pripyat River. Bio-accumulation of