[Functional disorders of the nervous system in those occupationally exposed to mixtures of chloro-organic solvents and vinyl chloride].

A group of 334 males, workers of the Nitrogen Plant in Włocławek were examined: 172 subjects were employed in the department of solvents and vinyl chloride synthesis, 90 subjects in polyvinyl chloride processing department, and the rest of subjects formed a control group. Detailed neurological examinations made it possible to see that in the group occupationally exposed to solvents functional disorders of the nervous system of different intensities were observed (25.6%). The frequency of these changes in workers employed in particular departments characterized by different work conditions was compared, using statistical methods, with the results obtained in the control group. Functional disorders of the nervous system were found to be remarkably more frequent in the employees of the solvents production department where the greatest exposure to carbon tetrachloride and tetrachloroethylene were observed.