title: EGARD: an environmental gamma-ray and 222Rn detector.
mesh_terms: D002138:Calibration; D004784:Environmental Monitoring / Q000295:instrumentation*; D005720:Gamma Rays; D006798:Housing; D011834:Radiation Monitoring / Q000295:instrumentation*; D011886:Radon / Q000032:analysis*; D013819:Thermoluminescent Dosimetry / Q000295:instrumentation
chemical_list: D011886:Radon