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J Occup Environ Med

Title:		Blood Concentrations of Volatile Organic Compounds Among US Workers From Various Trades
Author(s):		Zhang K; Lan T; Bao W; Cui Q; Thorne PS;
Address:		"From the Department of Civil and Environmental Engineering, A. James Clark School of Engineering, University of Maryland, College Park, Maryland (K.Z., Q.C.); Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, Iowa (T.L., P.S.T.); Department of Epidemiology, College of Public Health, University of Iowa, Iowa City, Iowa (W.B.); Human Toxicology Program, University of Iowa, Iowa City, Iowa (P.S.T.)"
Journal Title:		J Occup Environ Med
Year:		2023
Volume:		20230220
Issue:		6
Page Number:		458 - 466
DOI:		10.1097/JOM.0000000000002809
ISSN/ISBN:		1536-5948 (Electronic) 1076-2752 (Linking)
Abstract:		"This study aimed to examine blood benzene, toluene, ethylbenzene, o-xylene, and m-/p-xylene (BTEX) concentrations and their trends contrasting construction workers with workers in other occupations from 1999 to 2014 in the United States. Methods: Using data from the National Health and Nutrition Examination Survey, quantile regressions were performed to investigate associations between occupation and blood BTEX concentrations. Results: We found that high-risk and construction occupations were associated with increased blood concentrations of toluene, o-xylene, and m-/p-xylene at the 50-90th percentiles (P 50-90 ), and ethylbenzene at P 70-90 . Moreover, although blood concentrations of ethylbenzene, o-xylene, and m-/p-xylene trended down among all US workers, no decreasing trend was observed for benzene and toluene among construction workers. Conclusions: Future studies are warranted to address questions about specific tasks to better assess VOC exposure from various trades"
Keywords:		Humans *Volatile Organic Compounds Benzene/analysis Nutrition Surveys Xylenes Benzene Derivatives Toluene Environmental Monitoring;
Notes:		"MedlineZhang, Kunqi Lan, Tuo Bao, Wei Cui, Qingbin Thorne, Peter S eng 2023/02/23 J Occup Environ Med. 2023 Jun 1; 65(6):458-466. doi: 10.1097/JOM.0000000000002809. Epub 2023 Feb 20"