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« Previous AbstractHealth survey of employees regularly using 3D printers    Next AbstractExhaled breath analysis: novel approach for early detection of lung cancer »

J Toxicol Environ Health A


Title:Emissions and health risks from the use of 3D printers in an occupational setting
Author(s):Chan FL; Hon CY; Tarlo SM; Rajaram N; House R;
Address:"Division of Occupational Medicine, Department of Medicine, St. Michael's Hospital, Toronto, Ontario, Canada. Department of Medicine, University of Toronto, Toronto, ON, Canada. School of Occupational and Public Health, Ryerson University, Toronto, ON, Canada. Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada. Centre for Research Expertise in Occupational Disease, Toronto, ON, Canada"
Journal Title:J Toxicol Environ Health A
Year:2020
Volume:20200421
Issue:7
Page Number:279 - 287
DOI: 10.1080/15287394.2020.1751758
ISSN/ISBN:1528-7394 (Print) 0098-4108 (Linking)
Abstract:"The aim of this study was to determine concentrations of particulates and volatile organic compounds (VOCs) emitted from 3D printers using polylactic acid (PLA) filaments at a university workroom to assess exposure and health risks in an occupational setting. Under typical-case (one printer) and worst-case (three printers operating simultaneously) scenarios, particulate concentration (total and respirable), VOCs and formaldehyde were measured. Air samples were collected in the printing room and adjacent hallway. Size-resolved levels of nano-diameter particles were also collected in the printing room. Total particulate levels were higher in the worst-case scenario (0.7 mg/m(3)) vs. typical-case scenario (0.3 mg/m(3)). Respirable particulate and formaldehyde concentrations were similar between the two scenarios. Size-resolved measurements showed that most particles ranged from approximately 27 to 116 nm. Total VOC levels were approximately 6-fold higher during the worst-case scenario vs. typical situation with isopropyl alcohol being the predominant VOC. Airborne concentrations in the hallway were generally lower than inside the printing room. All measurements were below their respective occupational exposure limits. In summary, emissions of particulates and VOCs increased when multiple 3D printers were operating simultaneously. Airborne levels in the adjacent hallway were similar between the two scenarios. Overall, data suggest a low risk of significant and persistent adverse health effects. Nevertheless, the health effects attributed to 3D printing are not fully known and adherence to good hygiene principles is recommended during use of this technology"
Keywords:"Air Pollutants/*analysis Air Pollution, Indoor/*analysis Occupational Exposure/*analysis *Polyesters *Printing, Three-Dimensional Universities Volatile Organic Compounds/*analysis 3D printing indoor air quality occupational assessment particulates volatil;"
Notes:"MedlineChan, Felix L Hon, Chun-Yip Tarlo, Susan M Rajaram, Nikhil House, Ronald eng Research Support, Non-U.S. Gov't England 2020/04/23 J Toxicol Environ Health A. 2020 Apr 2; 83(7):279-287. doi: 10.1080/15287394.2020.1751758. Epub 2020 Apr 21"

 
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