[Problem of "harmless" threshold limit values for work materials].
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
D002273:Carcinogens; D004391:Dust; D005740:Gases
Zur Problematik "unschädlicher" Grenzkonzentrationen von Arbeitsstoffen.