При дальнейшем развитии атомной энергетики, как в Российской Федерации, так и за рубежом, одной из важнейших проблем является ликвидация «ядерного наследия» [1-3]. На эти цели в ближайшие 15 лет направлена Федеральная целевая программа «Обеспечение ядерной и радиационной безопасности на 2016-2020 годы и на период до 2030 года» (ФЦП ЯРБ-2) [3, 4]. В рамках ФЦП ЯРБ-2 предусмотрена разработка системы нормативно-правовых и инструктивно-методических документов по обеспечению радиационной безопасности населения и охраны окружающей среды при выводе из эксплуатации объектов использования атомной энергии и других объектов, в результате деятельности которых образовались отходы с повышенным содержанием природных радионуклидов, и дальнейшему использованию дезактивированных участков территории, зданий и сооружений.

The results of the radon screening in the premises of the preschool and school institutions in the Leningrad region are analized. The data were obtained from measurements of radon volume activity by the integral method. As objects of control were selected the old buildings built before 2000 and relatively new buildings. It is shown that the territory of the Leningrad region is highly heterogeneous by the potential radon hazardous. The highest levels of radon were identified in the surveyed buildings in Boksitogorsk, Volosovo, Vyborg and Slantsy.

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A593for moderate-risk RR2378 ($75) for all ages. Average reimbursement rate was RR2,000 ($63) per outpatient episode. The average cost of hospitalization was RR20,870 ($655/ n= 500), RR20,925 ($657/n= 125) for low-risk, RR20,947 ($657/n= 364) for moderaterisk, and RR17,684 ($554/n= 11) for high-risk patients; with 60%-80% of patients with CAP hospitalized and the estimated number of CAP patients of age 50 and older in Tver 3,249, the annual cost of CAP to payer is RR53,448,423 (~$1.7million); the national estimates of cost of CAP in senior adults was $124million. Employed patients comprise 12.8% and 18.3% among the inpatient and outpatient cases, respectively, and days lost from work per employed patient was 8.0 (inpatient) and 7.0 (outpatient). ConClusions: CAP in adults is a significant cause of resource use and health care cost in Russia, inpatient care constitutes the majority of cost. Cost of treatment was similar across all age and risk groups. PRS31

The paper presents results of a comprehensive radiation survey conducted in 2019 in six districts of the eastern part of the Orenburg region in 37 settlements with previously found elevated levels of activity concentration of natural radionuclides in tap water from groundwater sources of drinking water supply. The survey included measurements of indoor radon concentrations and EEC in residential and public buildings, as well as measurements of ambient dose equivalent rate of gamma radiation indoors and outdoors. The survey revealed that annual average indoor radon EEC in many residential buildings in 23 settlements and public buildings in 25 settlements exceeded the hygienic norm (action level) of 200 Bq/m3 adopted in Russia for existing buildings. The highest values of annual average indoor radon EEC were obtained in residential buildings in Novovinnitskoe (1242 Bq/m3), Bratslavka (987 Bq/m3) and Anikhovka (942 Bq/m3) in Adamovsky district, and in public buildings in Kvarkeno (2291 Bq/m3) in Kvarkensky district, Karabutak (1114 Bq/m3) and Novovinnitskoe (923 Bq/m3) in Adamovsky district. The established hygienic norms in terms of ambient dose equivalent rate indoors and outdoors were not exceeded in the surveyed settlements. Results of the survey showed that the main reason for high indoor radon concentrations in residential and public buildings in the settlements of the eastern part of the Orenburg region is not related to the usage of tap water from groundwater sources of drinking water supply with elevated levels of activity concentration of natural radionuclides.