title: A new portable alpha survey instrument.
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D000396:Air Pollutants, Radioactive / Q000032:analysis*; D000512:Alpha Particles; D011834:Radiation Monitoring / Q000295:instrumentation*
chemical_list: D000393:Air Pollutants; D000396:Air Pollutants, Radioactive