A behavioral examination of workers exposed to carbon disulfide.

The present study was conducted with a group of 298 textile workers. Of the workers studied 131 had worked at least one year in a rayon plant where there were CS2 exposures of varying degree, but generally below 20 ppm, which is the U.S. occupational exposure limit. The remaining 167, who worked in plants that manufactured other textiles where any CS2 exposure was considered inconsequential, comprised a comparison group. The 298 workers completed a checklist of symptoms characteristic of various neurobehavioral syndromes. Mood and excitability were measured by the Profile of Mood States, and by a mania scale from the Minnesota Multiphasic Personality Inventory, respectively. Cognitive and psychomotor performance was studied by application of four standard tasks: the Neisser letter search, the memory span test, the eye-hand coordination test, and a combined simple and complex reaction time test. The results indicated an absence of behavioral changes of any major significance, suggesting that effects here may only be marginal. The major finding related to the significant cluster of reported symptoms of neurobehavioral ailments.