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| Research Roundup Chemical Hazards 2 (AIHce EXP 2021 OnDemand) | |
| Course Description: Recorded at AIHce EXP 2021 Thermal Desorption Tube Analytical Method Development for Alpha-diketones and Benzene Thermal desorption (TD) tubes have numerous advantages over currently validated media for sampling and analyzing volatile organic compounds (VOCs) including increased sensitivity, wide ranges of analyte specificity, and reduced transportation costs and considerations. Currently, no National Institute for Occupational Safety and Health (NIOSH) method exists for using a TD tube and gas chromatograph mass spectrometer (GC-MS) to quantitatively measure benzene and alpha-diketones: diacetyl, 2,3-pentanedione, and 2,3-hexanedione. Benzene, diacetyl, and 2,3-pentanedione are VOCs with relatively low occupational exposure limits (OELs) that have been associated with severe disease in many worker populations. This research project developed and evaluated a TD tube analytical method for alpha-diketones, benzene, and 16 other VOCs that have applicability to healthcare settings, additive manufacturing emissions, and indoor air quality. This research has furthered the mission of occupational safety and health professionals by providing preliminary data for a new, advantageous, and cost-effective method for sampling compounds known to cause or contribute to occupational illness and disease. Acknowledgements & References: M. Aldridge, CDC/NIOSH, Morgantown, WV, USA. ; E. Fernandez, CDC/NIOSH, Morgantown, WV, USA.; K. Williams, CDC/NIOSH, Morgantown, WV, USA.; sample preparation and technical support Co-Authors: R. LeBouf, CDC/NIOSH, Morgantown, WV, USA. Presenter/Author: Dru Burns, CDC/NIOSH, MORGANTOWN, WV Diesel Engine Exhaust Exposure among Construction Workers in Ontario, Canada Diesel engine exhaust (DEE) is a known carcinogen and a common occupational exposure in the construction industry. The objective of this study was to characterize and identify key determinants of DEE exposure at civil infrastructure construction sites in the Greater Toronto Area, Canada. In total, 126 personal respirable diesel particulate matter (DPM) samples were collected following NIOSH method 5040, ranging from <0.47 to 52.58µg/m3 with a geometric mean of 4.23µg/m3 (GSD=3.05). This presentation will cover the results and implications of this study. Co-Authors: T. Kirkham, DLSPH and OCRC, Toronto, ON, Canada. P. Demers, DLSPH and OCRC, Toronto, ON, Canada. C. Peters, CAREX Canada, Vancouver, BC, Canada. M. Gorman-Ng, UBC, Vancouver, BC, Canada. H. Davies, UBC, Vancouver, BC, Canada. T. Tenkate, Ryerson University, Toronto, ON, Canada. S. Kalenge, OCRC, Toronto, ON, Canada. N. Blagrove-Hall, OCRC, Toronto, ON, Canada. K. Jardine, OCRC, Toronto, ON, Canada. V. Arrandale, DLSPH and OCRC, Toronto, ON, Canada. Presenter/Author: Stephanie Ziembicki, MPH, PhD Candidate, Occupational Cancer Research Centre, Toronto, Ontario Contact Hours: 1 Presentation Date: 05/25/2021 Session recordings are available for 90 days from purchase. Stock #: AOD21_G2 ISBN #: Author/Editor: Member $25/Non-Member $35/Student $25 Your Price: $35.00
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