title: Concentrations of the decay products of 222Rn in a basement laboratory.
mesh_terms: D001729:Bismuth / Q000032:analysis; D005160:Facility Design and Construction; D007753:Laboratories; D007854:Lead / Q000032:analysis; D011059:Polonium / Q000032:analysis; D011834:Radiation Monitoring; D011848:Radioactive Pollutants / Q000032:analysis*; D011854:Radiochemistry; D011868:Radioisotopes / Q000032:analysis; D011886:Radon / Q000032:analysis; D014691:Ventilation
chemical_list: D011848:Radioactive Pollutants; D011868:Radioisotopes; D007854:Lead; D011059:Polonium; D011886:Radon; D001729:Bismuth