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Occupational Exposure to Diesel Particulate Matter in Municipal Household Waste Workers

Author

Listed:
  • Kyong-Hui Lee
  • Hye-Jung Jung
  • Dong-Uk Park
  • Seung-Hun Ryu
  • Boowook Kim
  • Kwon-Chul Ha
  • Seungwon Kim
  • Gwangyong Yi
  • Chungsik Yoon

Abstract

Objective: The purposes of this study were to determine the following: 1) the exposure levels of municipal household waste (MHW) workers to diesel particulate matter (DPM) using elemental carbon (EC), organic carbon (OC), total carbon (TC), black carbon (BC), and fine particulate matter (PM 2.5) as indicators; 2) the correlations among the indicators; 3) the optimal indicator for DPM; and 4) factors that influence personal exposure to DPM. Methods: A total of 72 workers in five MHW collection companies were assessed over a period of 7 days from June to September 2014. Respirable EC/OC samples were quantified using the thermal optical transmittance method. BC and PM 2.5 were measured using real-time monitors, an aethalometer and a laser photometer. All results were statistically analyzed for occupational and environmental variables to identify the exposure determinants of DPM. Results: The geometric mean of EC, OC, TC, BC and PM 2.5 concentrations were 4.8, 39.6, 44.8, 9.1 and 62.0 μg/m3, respectively. EC concentrations were significantly correlated with the concentrations of OC, TC and BC, but not with those of PM 2.5. The exposures of the MHW collectors to EC, OC, and TC were higher than those of the drivers (p

Suggested Citation

  • Kyong-Hui Lee & Hye-Jung Jung & Dong-Uk Park & Seung-Hun Ryu & Boowook Kim & Kwon-Chul Ha & Seungwon Kim & Gwangyong Yi & Chungsik Yoon, 2015. "Occupational Exposure to Diesel Particulate Matter in Municipal Household Waste Workers," PLOS ONE, Public Library of Science, vol. 10(8), pages 1-17, August.
    • Handle: RePEc:plo:pone00:0135229
    DOI: 10.1371/journal.pone.0135229
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    References listed on IDEAS

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    1. Mark Z. Jacobson, 2001. "Strong radiative heating due to the mixing state of black carbon in atmospheric aerosols," Nature, Nature, vol. 409(6821), pages 695-697, February.
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