A health survey of workers in the pentachlorophenol section of a chemical manufacturing plant.

@article{Cheng1993AHS,
  title={A health survey of workers in the pentachlorophenol section of a chemical manufacturing plant.},
  author={Wangxing Cheng and P J Coenraads and Zhenyue Hao and G. F. Liu},
  journal={American journal of industrial medicine},
  year={1993},
  volume={24 1},
  pages={81-92}
}
During 1968 to 1985, 109 workers who had been engaged in the production of pentachlorophenol, using non-gamma isomers of hexachloroclohexane (BHC) as the raw material, were surveyed. Endemic chloracne among them had been noted since 1974. The prevalence of chloracne was 73.4% (80/109) in total and 95.2% (20/21) in a trichlorobenzene (TCB) tank area where dioxin and dibenzofurans levels were thousands of ppm. To our knowledge, PCDDs and PCDFs have not previously been reported from thermal… CONTINUE READING
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