[The permissible concentrations of benzene in the atmospheric air of populated locations].

When assessing the health risk of benzene and its allowable levels of exposure of special importance is its cancerogenic effect. Bearing in mind, that the cancerogenic substances have no threshold dose, as well as the genetic benzene activity, no safety level of benzene is recommended in the atmospheric air of settlements. The undertakings, in relation to the atmospheric air pollution with benzene, have to be conformed to the admissible risk.