Investigation of PAH biomarkers in the urine of workers exposed to hot asphalt.

  title={Investigation of PAH biomarkers in the urine of workers exposed to hot asphalt.},
  author={Jon R. Sobus and Michael D Mcclean and Robert F. Herrick and Suramya Waidyanatha and Frank Onyemauwa and Lawrence L. Kupper and Stephen M. Rappaport},
  journal={The Annals of occupational hygiene},
  volume={53 6},
Airborne emissions from hot asphalt contain mixtures of polycyclic aromatic hydrocarbons (PAHs), including several carcinogens. We investigated urinary biomarkers of three PAHs, namely naphthalene (Nap), phenanthrene (Phe), and pyrene (Pyr) in 20 road-paving workers exposed to hot asphalt and in 6 road milling workers who were not using hot asphalt (reference group). Our analysis included baseline urine samples as well as postshift, bedtime, and morning samples collected over three consecutive… CONTINUE READING
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