Investigation on Natural Radioactive Geological Environment of a Tungsten Mine in Nanxiong City,Guangdong Province
The methods and contents of natural radioactive geological environment investigation in a tungsten mine in Nanxiong City,Guangdong Province are introduced,including gamma radiation dose rate measurement,airborne radon concentration measurement,natural radionuclide concentration measurement in solid media and water samples.Th results indicate that there are radioactive pollution problems in the tungsten mine,and identified the key risk areas of radioactive pollution sources,and put forward improvement suggestions such as increasing ventilation facilities in the tunnel and maintaining dynamic monitoring,and increasing radioactive sewage treatment measures