Occupational exposure of Sri Lankan tea plantation workers to paraquat.

  title={Occupational exposure of Sri Lankan tea plantation workers to paraquat.},
  author={Graham Chester and G Gurunathan and Naomi Jones and Bruce H. Woollen},
  journal={Bulletin of the World Health Organization},
  volume={71 5},
Absorption of the herbicide paraquat (1,1'-dimethyl-4,4'-bipyridinium) by mixer-loaders and spray operators on a Sri Lankan tea plantation was assessed over five consecutive days of spraying. Beginning on the day before spraying started and continuing for each of the five spraying days and for seven days after the last day of spraying, 24-hour urine samples were collected from each of the workers. Potential dermal exposure was assessed during further applications of paraquat on the day after… CONTINUE READING


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