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Monday 08:00 - 16:45 Tuesday 08:00 - 16:45 Wednesday 08:00 - 16:45 Thursday 08:00 - 16:45 Friday 08:00 - 15:30

State Scientific and Technical Center for Nuclear and Radiation Safety

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State Scientific and Technical Center for Nuclear and Radiation Safety

The SSTC NRS is an essential element of the state regulation of nuclear and radiation safety in the sphere of nuclear energy use for peaceful purposes.

It provides scientific, technical, expert and analytical support to the regulatory authority. The State Scientific and Technical Center for Nuclear and Radiation Safety (SSTC NRS) is a modern enterprise that operates according to the highest international standards of nuclear technology. SSTC NRS team of highly qualified experts direct their efforts to the protection of the public and the environment against man-made radiation impact in Ukraine and worldwide. The enterprise provides services on expert assessment and recommendations on safety of nuclear installations, technologies and emergency response systems; scientific and technical support of the state system for accounting and control of nuclear materials and their storage; development of rules and standards on nuclear and radiation safety. Since 1992, the SSTC NRS has successfully produced the best solutions in the sphere of nuclear technology for its partners. We make the world a safer place every day by the generalization and analysis of the global experience in the operation of nuclear installations and management of radioactive waste and spent nuclear fuel.

09/04/2020

According to the forecasted path of potentially contaminated atmospheric air caused by the fires continuing in natural ecosystems of the Chornobyl Exclusion Zone, a temporary local increase in the Cs-137 concentration in the surface air in the northwestern part of Kyiv was expected to occur from 13:00 to 15:00 on 8 April 2020 and was previously estimated at 1.0-2.0 mBq/m3 (averaged over the peak). The increase in Cs-137 concentration was caused by the path of air masses moving over the Kyiv region, considering the changing wind direction.

Yesterday, on 8 April from 12:25 to 16:35, SSTC NRS experts took an air sample using the onboard sampler of the radiation reconnaissance vehicle (mobile radiological laboratory) on V. Stusa Street that, as was forecasted, was on the path of air masses with combustion products.

За прогнозною траєкторією розповсюдження потенційно забрудненого атмосферного повітря, зумовленого пожежами, що тривають у природних екосистемах Чорнобильсько....

09/04/2020

Unfortunately, fires in the Chornobyl Exclusion Zone continue.
According to the latest information provided to the SSTC NRS by the SNRIU Information and Emergency Center, as of 08:00 a.m. on 9 April 2020, there are three individual fire areas in the Exclusion Zone: in Denisovytsky, Kotovsky and Korogodsky forestry districts.
According to forecast calculations of the movement path throughout the day of 9 April 2020, potentially contaminated clouds will pass along the northern borders of Ukraine and through the northern part of the Chernihiv region.
The daily forecast for the spread of potentially contaminated clouds from 03:00 a.m. on 9 April to 03:00 a.m. on 10 April 2020 is presented below.

08/04/2020

Forest fires in the Chornobyl Exclusion Zone continue, and we are still watchich the radiation situation. The spread forecast of a potentially contaminated cloud from the fire area for 7:00 8 April to 6:00 9 April, 2020 is below.
According to the GFS NOAA (USA) meteorological forecast data, the wind direction is changing over the day of 8 April in the Kyiv region.
The estimates show that the potential maximum concentration of Cs-137 in the atmospheric surface layer in the northwest part of Kyiv can reach 1.0-2.0 mBq/m3 from 13:00 to 15:00 on 8 April 2020. The National Radiation Safety Standards of Ukraine, NRBU-97, establish the allowed concentration of Cs-137 (PC inhal В) of 800 mBq/m3.

https://sstc.ua/news/fahivci-dntc-yarb-prodovzhuyut-stezhiti-za-situaciyeyu-z-lisovimi-pozhezhami-v-chornobilskij-zoni-vidchuzhennya

28/12/2019

The South Ukraine NPP completed trial operation of the Westinghouse fuel and received an authorization for its commercial operation at Unit 3. The authorizing document has been signed by the SNRIU today, 28 December.
SUNPP Unit 3 became the first power unit in the country that started commercial operation of the Westinghouse fuel. The Westinghouse fuel has been in safe operation already at six Ukrainian NPP units.
We sincerely congratulate our colleagues from the SUNPP, Energoatom Directorate, SNRIU, US partners, and all those involved in the difficult but successful fuel diversification process and a significant step toward the nation's energy independence!

Hryhoriy Plachkov Ihor Shevchenko
Державна інспекція ядерного регулювання України Енергоатом Южно-Український енергокомплекс Westinghouse Electric Company U.S. Embassy Kyiv Ukraine

https://sstc.com.ua/news/na-energobloci-3-yuuaes-rozpochato-promislovu-ekspluataciyu-paliva-westinghouse

29/10/2019

Important Information on Increased Radiation Background in Central Geophysical Observatory Building

On Monday, 28 October, increased radiation background was observed in one of the Central Geophysical Observatory buildings located at 39 Nauka Avenue.

In this regard, we inform that the increased radiation background has nothing to do with operation of the nuclear research reactor located at the Nuclear Research Institute of the National Academy of Sciences of Ukraine, and any information about this is false.

Data on the increased level of radiation were obtained during radiation survey in the building of the physicochemical laboratory of the Central Geophysical Observatory. According to preliminary data, radiation comes from a radiation source located in the building built in 1987.

The level of radiation in the room where the source has been detected is 500 to 600 μSv/h and in the premise adjacent to this room is 100 to 170 μSv/h. The allowed value according to the control levels established by the Health and Epidemiological Service of Kyiv is 0.24 µSv and up to 0.44 µSv for buildings commissioned before 1992 where people can stay.

The experts who surveyed the surrounding territories detected another radiation source. According to preliminary data, its radiation level is 480 µSv/hour.

There is no threat to the environment.

Experts of the State Nuclear Regulatory Inspectorate of Ukraine and the State Scientific and Technical Center for Nuclear and Radiation Safety currently continue working on the site. We will additionally inform about the survey results.