As a potential gaseous carcinogen,radon will cause continuous internal exposure to residents after inhalation.Therefore,it is necessary to clarify the sources of indoor radon,elevate radon protection,and prevent the harm of radon.This study took a town in Longyan,Fujian Province as an example.By investigating the geological conditions,groundwater radon concentration,indoor air radon concentration and the influence of bathing activities in the area,the sources of indoor air radon pollution in the town were explored,and the corresponding radon prevention and control suggestions were put forward based on empirical research.The research results showed that the indoor air radon of residents in this area was mainly affected by building materials,outdoor air and groundwater.Among them,the use of groundwater flowing through granite geology would cause a surge in indoor air radon,even exceeding the standard limit requirements.At the same time,the open state can promote the balance between radon in water and radon in air,reduce the radon concentration in water,and make the radon concentration in water follow the rule of well water,mountain spring water,river water,and reservoir water.The radon concentration in water can be significantly reduced by means of multistage filtration,distillation and boiling.Strengthening indoor ventilation can reduce the concentration of radon in indoor air.Conclusion In order to protect the health of residents,it is recommended that residents give priority to open water sources,concern of drinking water treatment,and strengthen indoor ventilation to reduce the radon in home.
关键词
氡/水中氡/氡来源/氡防治
Key words
radon/radon in water/radon sources/radon prevention
维普
万方数据