| Title: | An integrated non-targeted and targeted analysis approach for identification of semi-volatile organic compounds in indoor dust |
| Author(s): | Song Z; Shi M; Ren X; Wang L; Wu Y; Fan Y; Zhang Y; Xu Y; |
| Address: | "Department of Building Science, Tsinghua University, Beijing, China; Beijing Key Laboratory of Indoor Air Quality Evaluation and Control, Beijing, China. Department of Building Science, Tsinghua University, Beijing, China; Beijing Key Laboratory of Indoor Air Quality Evaluation and Control, Beijing, China; Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, TX, USA. Electronic address: xu-ying@mail.tsinghua.edu.cn" |
| DOI: | 10.1016/j.jhazmat.2023.132202 |
| ISSN/ISBN: | 1873-3336 (Electronic) 0304-3894 (Linking) |
| Abstract: | "Household dust contains a wide variety of semi-volatile organic compounds (SVOCs) that may pose health risks. We developed a method integrating non-targeted analysis (NTA) and targeted analysis (TA) to identify SVOCs in indoor dust. Based on a combined use of gas and liquid chromatography with high-resolution mass spectrometry, an automated, time-efficient NTA workflow was developed, and high accuracy was observed. A total of 128 compounds were identified at confidence level 1 or 2 in NIST standard reference material dust (SRM 2585). Among them, 113 compounds had not been reported previously, and this suggested the value of NTA in characterizing contaminants in dust. Additionally, TA was done to avoid the loss of trace compounds. By integrating data obtained from the NTA and TA approaches, SVOCs in SRM 2585 were prioritized based on exposure and chemical toxicity. Six of the top 20 compounds have never been reported in SRM 2585, including melamine, dinonyl phthalate, oxybenzone, diheptyl phthalate, drometrizole, and 2-phenylphenol. Additionally, significant influences of analytical instruments and sample preparation on NTA results were observed. Overall, the developed method provided a powerful tool for identifying SVOCs in indoor dust, which is necessary to obtain a more complete understanding of chemical exposures and risks in indoor environments" |
| Keywords: | Automated data processing High-resolution mass spectrometry (HRMS) Indoor dust Non-targeted analysis (NTA) Semi-volatile organic compounds (SVOCs); |
| Notes: | "PubMed-not-MEDLINESong, Zidong Shi, Meng Ren, Xiaopeng Wang, Luyang Wu, Yili Fan, Yujie Zhang, Yinping Xu, Ying eng Netherlands 2023/08/11 J Hazard Mater. 2023 Oct 5; 459:132202. doi: 10.1016/j.jhazmat.2023.132202. Epub 2023 Aug 2" |
