title: [Present-day status of the problem of the safety coefficient in substantiating a value for the MPEL of harmful substances in environmental objects].
mesh_terms: D000397:Air Pollution; D004781:Environmental Exposure; D004785:Environmental Pollutants; D007928:Lethal Dose 50; D008452:Maximum Allowable Concentration
chemical_list: D004785:Environmental Pollutants
vernacular_title: Sovremennoe sostoianie voprosa o koéffitsiente zapasa pri obosnovanii velichiny PDK vrednykh veshchestv v ob'ektakh vneshneĭ sredy