[Industrial hygiene in the manufacture of hydroquinone, naphthoquinones, anthraquinones and their derivatives].

Labour conditions were studied in the one-, two-, and three-nuclear-guinones-and their-derivatives industries. Quinones were shown to be potential human health hazard, which fact is to be taken account of in the derivation and employment of this class compounds to avoid adverse effects of this factor on health in an industrial setting. Recommended measures incident to monitoring of exposure to quinones are presented.