Risk of cancer from the use of tar bitumen in road works.

@article{Knecht1989RiskOC,
  title={Risk of cancer from the use of tar bitumen in road works.},
  author={Udo Knecht and H J Woitowitz},
  journal={British journal of industrial medicine},
  year={1989},
  volume={46 1},
  pages={24-30}
}
Tar bitumens are increasingly being used as a binder in road works. They consist of a standard product of about 70% bitumen and 25-30% tar. Tar bitumens are classifiable as the pyrolysis products of organic materials and are applied hot. Depending on the temperature used there are emissions of various intensities of polycyclic aromatic hydrocarbons (PAH), some of which are carcinogenic. A total of 250 one hour air samples was taken at breathing height on 20 days at 11 road works sites. The… CONTINUE READING
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