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J Hazard Mater. 2016 Mar 5;304:93-102. doi: 10.1016/j.jhazmat.2015.10.065. Epub 2015 Oct 31.

Atmospheric metallic and arsenic pollution at an offshore drilling platform in the Bo Sea: A health risk assessment for the workers.

Author information

1
State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, Joint Laboratory of Urban and Ambient Air Environment Study, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
2
Research Institute of Meteorological Science, Tianjin 300074, China.
3
State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, Joint Laboratory of Urban and Ambient Air Environment Study, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China. Electronic address: bixh@nankai.edu.cn.
4
State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, Joint Laboratory of Urban and Ambient Air Environment Study, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China. Electronic address: zhafox@126.com.

Abstract

To investigate the ambient metal pollution at the offshore drilling platform in the Bo Sea, which few studies have focused on, PM2.5 samples were collected and ten heavy metals, as well as As, were analyzed. High concentration levels of metals were observed, and the heavy metal pollution was quite serious compared to air quality standards and other marine areas. Back trajectories and wind dependent and PCA analyses showed that the marine sources included ship traffic emissions and corrosive stainless steels from the equipment at the platform as well as industrial emissions from stainless steel production and coal combustion sources, which were transported from the surrounding mainland. Both contributed greatly to the ambient metallic particles at the offshore platform. The Hazard Index values of the metals, which were much less than 1, the Carcinogenic Risk data, which were lower than the EPA's acceptable range, and the fact that the metal concentrations did not the exceed the permissible exposure limits of OSHA, indicated that the health risks from the ambient metallic particles for the oil-drilling workers were not significant.

KEYWORDS:

Health risk assessment; Heavy metal; Offshore platform; Source apportionment

PMID:
26547617
DOI:
10.1016/j.jhazmat.2015.10.065
[Indexed for MEDLINE]

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