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Status of Radon Related Works in LithuaniaPresentation 1
Julius Žiliukas
Director Department of
Expertise and Exposure Monitoring
Radiation Protection Centre
Radiacinės saugos centras
National Demographic Data
Radiacinės saugos centras
Area 65 300 km²
Population 2 944 459
Urban/Rural population
67 %/ 33 %
Age distribution
0-14 m.: 14,2 %
15-64 m.: 69,6 %
> 65 m. : 16,2 %
Geography and Climate
Radiacinės saugos centras
North Lithuanian Karst region, territory of 400 km²
Extreme temperatures in Lithuania (°C)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Highest temp.
12.6 °C 16.5 °C 21.8 °C 28.8 °C 34 °C 35 °C 37.5 °C 36 °C 32 °C 26 °C 18 °C 15.6 °C
Lowest Temp.
−40.5 °C −42.9 °C −37.7 °C −23 °C −6.8 °C −2.8 °C 0.9 °C −2.9 °C −6.3 °C −19.5 °C −23 °C −34 °C
Average temperatures are: −6 °C in January 16 °C in July
(20 °C is frequent on summer days and 14 °C at nights)
Four Season Climate
National Housing Stock
Radiacinės saugos centras
Total dwellings in Lithuania aprox. 1 million 400
Single dwelings Flats
Wood
Bricks
Concreat
Wood
Bricks
Concreat
Existing legislation
Radiacinės saugos centras
Reference level:for living areabeforeHygiene Standard 300 Bq/m3for newconstruction 200 Bq/m3for working placebeforeHygiene Standard 300 Bq/m3if working less than 80 % working time 1000 Bq/m3for newconstruction 200 Bq/m3if working less than 80 % working time 400
Hygiene Standard HN85:2011 “Natural exposure.Standard of Radiation Protection” adopted by the Order No. V-890of 7 October 2011 by the Minister of Health Care
Status of Radon Related Works in LithuaniaPresentation 2
Julius Žiliukas
Director Department of
Expertise and Exposure Monitoring
Radiation Protection Centre
Radiacinės saugos centras
Radon in Homes
Radiacinės saugos centras
Total measured about 2400 dwellingsDwelling 55 Bq/m3
Total measured about 300 flatFlat 15 Bq/m3
North Lithuanian Karst region100 Bq/m3
Measurement of radon
Radiacinės saugos centras
E-perm electrets were used for measurements
Radon activity concentration
BkT
FIA −−=
Bq/m3
Status of Radon Related Works in LithuaniaPresentation 3
Julius Žiliukas
Director Department of
Expertise and Exposure Monitoring
Radiation Protection Centre
Radiacinės saugos centras
Radon mapping in the country
Radiacinės saugos centras
Status of Radon Related Works in LithuaniaPresentation 4
Julius Žiliukas
Director Department of
Expertise and Exposure Monitoring
Radiation Protection Centre
Radiacinės saugos centras
Radon and civil engineeringany special construction or building usage
characteristics of possible relevance to indoor radon:
List of building materials and clasification before certification
guidelines for preventive measures and corrective actions:
Buklests
requirements of building code and building standards related to protection of buildings against radon:
No any requirements
Radiacinės saugos centras
Status of Radon Related Works in LithuaniaPresentation 5
Julius Žiliukas
Director Department of
Expertise and Exposure Monitoring
Radiation Protection Centre
Radiacinės saugos centras
Radon communication strategy
Radiacinės saugos centras
Status of Radon Related Works in LithuaniaPresentation 6
Julius Žiliukas
Director Department of
Expertise and Exposure Monitoring
Radiation Protection Centre
Radiacinės saugos centras
Radon Programme
Radiacinės saugos centras
Random dwellings in Lithuania1995-1998
Measurements in dwellings where higher radon concen trations were detected 1995-1998 year
2001-2005
Measurements in flat 2001-2004
Measurements in childcare facilities 2002-2005
Measurements in working places 2003
Radon risk assessment 2004
Europe radon map 2006
Program approved by Ministry of Health 2007-2008
Program approved by Director of RPC for establishi ng Lithuanian radon map
2011-2013
Radiacinės saugos centras
Radon measurement continuation 2014-2016
Program approved by Director of RPC for establishing Lithuanian radon map
and assesment of risk