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Environ Int

Title:		Pollution characteristics and health risk assessment of volatile organic compounds emitted from different plastic solid waste recycling workshops
Author(s):		He Z; Li G; Chen J; Huang Y; An T; Zhang C;
Address:		"The State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; University of Chinese Academy of Sciences, Beijing 100049, China. The State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China. The State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China. Electronic address: antc99@gig.ac.cn. GIS Centre, Ryan Institute and School of Geography and Archaeology, National University of Ireland, Galway, Ireland"
Journal Title:		Environ Int
Year:		2015
Volume:		20150206
Issue:
Page Number:		85 - 94
DOI:		10.1016/j.envint.2015.01.004
ISSN/ISBN:		1873-6750 (Electronic) 0160-4120 (Linking)
Abstract:		"The pollution profiles of volatile organic compounds (VOCs) emitted from different recycling workshops processing different types of plastic solid waste (PSW) and their health risks were investigated. A total of 64 VOCs including alkanes, alkenes, monoaromatics, oxygenated VOCs (OVOCs), chlorinated VOCs (ClVOCs) and acrylonitrile during the melting extrusion procedure were identified and quantified. The highest concentration of total VOCs (TVOC) occurred in the poly(acrylonitrile-butadiene styrene) (ABS) recycling workshop, followed by the polystyrene (PS), polypropylene (PP), polyamide (PA), polyvinyl chloride (PVC), polyethylene (PE) and polycarbonate (PC) workshops. Monoaromatics were found as the major component emitted from the ABS and PS recycling workshops, while alkanes were mainly emitted from the PE and PP recycling processes, and OVOCs from the PVC and PA recycling workshops. According to the occupational exposure limits' (OEL) assessment, the workers suffered acute and chronic health risks in the ABS and PS recycling workshops. Meanwhile, it was found that most VOCs in the indoor microenvironments were originated from the melting extrusion process, while the highest TVOC concentration was observed in the PS rather than in the ABS recycling workshop. Non-cancer hazard indices (HIs) of all individual VOCs were <1.0, whereas the total HI in the PS recycling workshop was 1.9, posing an adverse chronic health threat. Lifetime cancer risk assessment suggested that the residents also suffered from definite cancer risk in the PS, PA, ABS and PVC recycling workshops"
Keywords:		"Air Pollution, Indoor/analysis Humans Occupational Exposure/*analysis Plastics/analysis/*chemistry *Recycling Risk Assessment/*methods *Solid Waste/adverse effects/analysis Volatile Organic Compounds/*analysis/chemistry Health risk assessment Occupational;"
Notes:		"MedlineHe, Zhigui Li, Guiying Chen, Jiangyao Huang, Yong An, Taicheng Zhang, Chaosheng eng Research Support, Non-U.S. Gov't Netherlands 2015/02/11 Environ Int. 2015 Apr; 77:85-94. doi: 10.1016/j.envint.2015.01.004. Epub 2015 Feb 6"