| Title: | Polydimethylsiloxane (silicone rubber) brooch as a personal passive air sampler for semi-volatile organic compounds |
| Author(s): | Okeme JO; Nguyen LV; Lorenzo M; Dhal S; Pico Y; Arrandale VH; Diamond ML; |
| Address: | "Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, Ontario, M1C 1A4, Canada. Food and Environmental Safety Research Group (SAMA-UV), Desertification Research Centre - CIDE (CSIC-UV-GV) and Faculty of Pharmacy, University of Valencia, Av. Vicent Andres Estelles s/n, 46100, Burjassot, Valencia, Spain. Department of Earth Sciences, University of Toronto, 22 Russell Street, Toronto, Ontario, M5S 3B1, Canada. Occupational Cancer Research Centre, Cancer Care Ontario, 20 University Ave, Toronto, Ontario, M5G 2L7, Canada; Dalla Lana School of Public Health, University of Toronto, 155 College Street, Toronto, Ontario, M5T 3M7, Canada. Department of Earth Sciences, University of Toronto, 22 Russell Street, Toronto, Ontario, M5S 3B1, Canada; Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, Ontario, M1C 1A4, Canada; Dalla Lana School of Public Health, University of Toronto, 155 College Street, Toronto, Ontario, M5T 3M7, Canada. Electronic address: miriam.diamond@utoronto.ca" |
| DOI: | 10.1016/j.chemosphere.2018.05.196 |
| ISSN/ISBN: | 1879-1298 (Electronic) 0045-6535 (Linking) |
| Abstract: | "Exposure assessments conducted using a personal sampler include the contribution of human activities to exposure that is neglected when using a stationary air sampler. This study evaluated the uptake characteristics and application of the polydimethylsiloxane (PDMS or silicone rubber) brooch as a personal passive air sampler (PPAS) for measuring concentrations of two groups of semi-volatile organic compounds (SVOCs), namely phthalates and organophosphate esters (OPEs), indoors in proximity to the breathing zone. Uptake rates of the PDMS brooch were calibrated against a personal low volume active air sampler (PLV-AAS) co-deployed on each of five study participants working in offices for 8?ª+hs daily for four days. Sampling rates measured here ranged from 0.41?ª++/-?ª+0.33 to 1.33?ª++/-?ª+0.34?ª+m(3) day(-1)?ª+dm(-2) with an average value of 0.86?ª++/-?ª+0.29?ª+m(3) day(-1)?ª+dm(-2). Personal air concentrations of 1211 to 2640?ª+ng?ª+m(-3) for summation operator(5) phthalates and 254 to 663?ª+ng?ª+m(-3) for summation operator(5) OPEs were measured for three study participants who used the PDMS brooches continuously for seven days. These concentrations resulted in estimated inhalation exposures of 19,400 to 42,400?ª+ng day(-1) for summation operator(5) phthalates and 4,070 to 10,600?ª+ng day(-1) for summation operator(5) OPEs. This study demonstrated that the PDMS brooch can be used to assess inhalation exposure when worn for at least 24?ª+h indoors, for compounds present in >4?ª+ng?ª+m(-3) in air such as individual phthalates and OPEs tested here" |
| Keywords: | Air Pollutants/*analysis Calibration Dimethylpolysiloxanes/*chemistry Environmental Monitoring/instrumentation/*methods Humans Volatile Organic Compounds/*analysis Indoor OPEs PDMS brooch Passive air sampler Phthalates Silicone rubber brooch; |
| Notes: | "MedlineOkeme, Joseph O Nguyen, Linh V Lorenzo, Maria Dhal, Suman Pico, Yolanda Arrandale, Victoria H Diamond, Miriam L eng England 2018/08/03 Chemosphere. 2018 Oct; 208:1002-1007. doi: 10.1016/j.chemosphere.2018.05.196. Epub 2018 Jun 1" |
