title: [Some problems in establishing the permissible densities of surface contamination by beryllium].
mesh_terms: D000336:Aerosols; D001608:Beryllium / Q000592:standards*; D004785:Environmental Pollutants / Q000592:standards*; D008452:Maximum Allowable Concentration; D055585:Physical Phenomena; D010825:Physics; D000644:Quaternary Ammonium Compounds / Q000592:standards
chemical_list: D000336:Aerosols; D004785:Environmental Pollutants; D000644:Quaternary Ammonium Compounds; D001608:Beryllium
vernacular_title: Nekotorye voprosy obosnovaniia dopustimykh plotnosteĭ zagriazneniia poverkhnosteĭ berilliem