Cancer risk of petrochemical workers exposed to airborne PAHs in industrial Lanzhou City, China

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• 作者：Li Wang ; Yuan Zhao ; Xianying Liu ; Tao Huang…
• 关键词：Occupational exposure ; Airborne PAHs ; Urinary 1 ; hydroxypyrene (1 ; OHP) ; Red blood cells abnormality ; Partition coefficient ; ILCR model
• 刊名：Environmental Science and Pollution Research
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：22
• 期：24
• 页码：19793-19803
• 全文大小：1,132 KB
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• 作者单位：Li Wang (1)
  Yuan Zhao (1)
  Xianying Liu (2)
  Tao Huang (1)
  Yanan Wang (1)
  Hong Gao (1)
  Jianmin Ma (1)
  
  1. Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China
  2. Lanzhou Petrochemical Hospital, Lanzhou, 730060, China
  
• 刊物类别：Earth and Environmental Science
• 刊物主题：Environment
  Environment
  Atmospheric Protection, Air Quality Control and Air Pollution
  Waste Water Technology, Water Pollution Control, Water Management and Aquatic Pollution
  Industrial Pollution Prevention
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1614-7499

文摘

This paper reports the connections between red blood cells abnormality risk of petrochemical workers and their exposure to airborne polycyclic aromatic hydrocarbons (PAHs). Urinary 1-hydroxypyrene (1-OHP), as the biomarker of PAHs exposure, was adopted to assess the exposure risk of the petrochemical workers to PAHs in Xigu, the west suburb of Lanzhou where petrochemical industries are located. Fifty-three workers, sub-grouped to 36 petrochemical workers and 17 office workers, participated in this investigation. Logistic regression model and spearman correlation analysis were performed to estimate the associations between PAHs exposure levels and red blood cells abnormality risk of petrochemical workers. Strong associations between some red cell indices (MCH, MCHC, RDW) and 1-OHP concentration were found. Results also show that the red blood cells abnormality risk increased with increasing PAHs exposure level. Compared with office workers, risk level of red blood cells abnormality in petrochemical workers was higher by 41.7 % (OR, 1.417; 95 % CI: 0.368-.456) than that in office workers. This result was verified by the tissue-to-human blood partition coefficient for pyrene and 1-OHP. The quantitative assessments of the potential health risk through inhalation exposure to PAHs were conducted using the Incremental Lifetime Cancer Risk (ILCR) model. It was found the ILCR from inhalation exposure to PAHs for the petrochemical workers ranged from 10? to 10? with 95 % probability, indicating that petrochemical plant workers were under a high potential cancer risk level. Keywords Occupational exposure Airborne PAHs Urinary 1-hydroxypyrene (1-OHP) Red blood cells abnormality Partition coefficient ILCR model