[Characteristics of coke plants. Health and ergonomic conditions].

1300 workers were employed in that plant; 632 in production out of which 308, most exposed, worked in the baking ovens department. The hygienic examinations revealed a very high concentration of benzo(a)piren and crude tar in the air of in the baking ovens department the MAC from several to 600 times. Other harmful substances and dust, as well as the industrial noise exceeded the MAC only incidentally. The ergonomic examinations revealed the exceeding of the energetic expenditory only in the door operators of cooking ovens. The results of medical examination will be presented in subsequent papers.