title: A relationship between toxicity and chemical nature.
abstract: The maximum allowable concentration of any chemical substance can be estimated with some degree of confidence solely on the basis of the chemical groups and structure it contains. The derivation of this methodology from the U. S. Dept. of Labor Occupational Health and Environmental Control Air Contaminants List (1972) is described.
mesh_terms: D000818:Animals; D064420:Drug-Related Side Effects and Adverse Reactions; D006801:Humans; D007928:Lethal Dose 50; D008452:Maximum Allowable Concentration; D013329:Structure-Activity Relationship