Biological and environmental monitoring of exposure to airborne benzene and other aromatic hydrocarbons in Milan traffic wardens

S. Fustinoni, M. Buratti, R. Giampiccolo, A. Colombi

Research output: Contribution to journalArticlepeer-review

Abstract

Environmental and biological monitoring of airborne aromatic hydrocarbons has been performed in 20 policemen working as traffic wardens exposed to motor vehicle exhausts and in 19 peers employed as clerks. Airborne benzene toluene, ethylbenzene and xylene concentrations, measured during the workshift, resulted in significantly higher out door than indoor concentrations (benzene and related aromatic hydrocarbons mean values, respectively of 53 and 350. μg/m3 vs. 29 and 180 μg/m3). Blood benzene, toluene, ethylbenzene and xylene concentrations did not differ significantly between indoor and outdoor workers; no differences were found between values obtained at the beginning (07:30 h) and the end of shift (00:30) in either group. Blood hydrocarbon concentrations seem to reflect airborne pollution, whilst the blood benzene concentration determined after the workshift poorly reflects airborne benzene morning peaks. Endshift blood benzene mean concentration in smokers (462 ng/l, n = 9) differs significantly from non-smokers (292 ng/l, n = 39).

Original languageEnglish
Pages (from-to)387-392
Number of pages6
JournalToxicology Letters
Volume77
Issue number1-3
DOIs
Publication statusPublished - 1995

Keywords

  • Airborne benzene
  • Aromatic hydrocarbon pollution
  • Biological monitoring
  • Blood analysis
  • Traffic policemen

ASJC Scopus subject areas

  • Toxicology

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