title: [Problem of "harmless" threshold limit values for work materials].
mesh_terms: D000397:Air Pollution; D000818:Animals; D002273:Carcinogens; D004391:Dust; D004781:Environmental Exposure; D004782:Environmental Health; D005740:Gases; D006801:Humans; D008452:Maximum Allowable Concentration; D009787:Occupational Medicine
chemical_list: D002273:Carcinogens; D004391:Dust; D005740:Gases
vernacular_title: Zur Problematik "unschädlicher" Grenzkonzentrationen von Arbeitsstoffen.