An ateempt of PA Education in a school with measuring natural radioisotope Radon In surroundings

我们用被动型氡气体监测仪测量了茨城市国立技术学院的各个房间和学生宿舍的氡浓度。我们用被动型氡气体监测仪测量了一所小学不同房间的氡浓度。为了检验我们测得的氡浓度值，我们用三种类型的氡气监测仪测量了典型房间的氡浓度。一种是常规被动型氡气监测仪，另一种是UFO型（分别获得Rn/Tn值，由Doi博士研制）和Iida博士（名古屋大学）研制的静电场法型监测仪。利用美国EML的氡毒气室，尝试了另一种类型的测试方法来校准实际氡浓度。在日本，那些设施是由政府统一管理的。我们在教室和学生家中进行的实验成功地培养了学生对放射性同位素的兴趣。这些经验是必要的，尤其是在茨城县。

We meaured radon concentration in a various rooms of Ibaraki National College of Technology and student homes with passive type Rn gas monitors. We meaured radon concentration in a various rooms of a primary school with passive type Rn gas monitors.To check our meaured radon concentration values, we meaured the radon concentration in typical rooms with three types of radon gas monitors. One is conventional passive type radon gas moniter, the others are UFO type (get Rn/Tn values separately, developed by Dr. Doi) and static electric field method type monitor developed by Dr. Iida(Nagoya university).Using radon gas chamber at EML in USA, we tried another type test measurments to calibrate real radon concentration. Those facility, ortholized by goverment is non in japan.Our experiment in the classrooms and students' homes succeeded to cultivate the interest on radioisotopes to students. Those experience is necesary, especially in Ibaraki Prefecture.