On Investigation,Causes And Countermeasures Of Suzhou's Indoor Radon Pollution Distribution

The pollution of radon indoor draws more and more attention in public nowadays.In order to learn more about the pollution situation and the measures of radon prevention,this thesis tries to find out the distribution of radon indoor and annual effective dose of what it produces,through the calculation and analysis of the result of monitoring the radon concentration indoor 226Ra specific activity indoor building materials and in the soil based on the development of radon indoor researches at home and abroad and natural environment and population in Suzhou.In the thesis,the author makes a survey about radon concentration indoor in the area of Suzhou for the first time.Then the author has analysis and evaluation of it.After all,the thesis analyzes the ranking order of indoor radon concentration according to the different type,architectural building and materials building in Suzhou and puts forward the rules of radon concentration in different floors.Through summarizing all the analysis of the monitoring results and relevant researches both at home and abroad,this thesis puts forward the factors which influences the radon concentration indoor in Suzhou and related countermeasures and suggestions of radon prevention with the combination of the practical situation of Suzhou's geological and population.