Environmental and biologicalmonitoring of PAHs exposure in coke-oven workers at theTaranto plant compared to two groups fromthe general population of Apulia, Italy

Laura Campo, L. Vimercati, A. Carrus, Lucia Bisceglia, Angela Cecilia Pesatori, P. A. Bertazzi, G. Assennato, Silvia Fustinoni

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Polycyclic aromatic hydrocarbons (PAHs) exposure in the coke industry poses a risk for workers' health as well as for subjects living in the plant vicinity.Objectives: To assess PAHs exposure in coke-oven workers (CW) at the Taranto plant, Apulia, and in subjects from the general population living near (NC) and far away (FC) from the plant. Methods: Exposure was assessed by personal air sampling and urinary 1-hydroxypyrene (1-OHP) measured in 100 CW, 18 NC and 15 FC. Results:Median airborne benzo[a]pyrene (BaP) levels were 152, 1.5, and 3.6 ng/m3 in CW, NC, and FC, respectively. In CW, median 1-OHP increased from 1.45 to 1.96 μg/g creatinine (crt) during the work shift (p>0.05); in NC and FC, 1-OHP levels were 0.56 and 0.53 μg/g crt. No significant differences between NC and FC for both air and urinary indices were found. BaP exposure in CW exceeded the recently proposed German acceptable (70 ng/m 3) and tolerable (700 ng/m 3) risk-based limit values in 82 and 11% of subjects, respectively. In NC and FC, BaP exposure exceeded the European target value for ambient air (1 ng/m 3) in 67 and 60% of subjects, respectively. Biomonitoring showed that 21% of CW had 1-OHP levels higher than the proposed biological limit value for the coke-oven industry (4.4 μg/g crt), while 93% of FC, and 88% of NC, had 1-OHP levels exceeding the Italian reference value (0.3 μg/g crt). Among non-smokers, a linear regression between 1-OHP and BaP (Pearson value r=0.65, p

Original languageEnglish
Pages (from-to)347-360
Number of pages14
JournalMedicina del Lavoro
Volume103
Issue number5
Publication statusPublished - Sep 2012

Keywords

  • 1-hydroxypyrene
  • Benzo[a]pyrene
  • Coke-oven workers
  • Exposure
  • Polycyclic aromatic hydrocarbons

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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