RETRACTED: Size distribution and sources of 37 toxic species of particulate polycyclic aromatic hydrocarbons during summer and winter in Baoshan suburban area of Shanghai, China
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Molecular characterization of organic aerosol in winter from Beijing using UHPLC-Orbitrap MS
2022, Science of the Total EnvironmentCitation Excerpt :PAHs and their derivatives are typical atmospheric toxic organic compounds (Li et al., 2019a, 2019b). Among the 37 PAHs quantified by gas chromatography–mass spectrometry, the concentration of 1,8-NA was the highest (Wang et al., 2016a). In addition, 1,8-NA is the most abundant compound in oxygenated PAHs (Wang et al., 2016a).
High cancer risk from inhalation exposure to PAHs in Fenhe Plain in winter: A particulate size distribution-based study
2019, Atmospheric EnvironmentCitation Excerpt :To further identify the differences of the sources of PAHs in different size ranges, several diagnostic ratios including BaA/(BaA + Chr), Ant/(Ant + Phe), Fla/(Fla + Pyr), IcdP/(IcdP + BghiP) and Fla/Pyr were analyzed which were widely used in many source identification studies. A BaA/(BaA + Chr) ratio that is higher than 0.35 signals combustion sources (i.e., incomplete combustion of fossil fuels and plant material), lower than 0.2 indicates petrogenic sources (i.e., unburned fossil material such as crude oils, coal, fuel, or various refinery products), while between 0.2 and 0.35 indicates the mixture of petroleum and combustion sources (Zhu et al., 2014; Wang et al., 2016b). The Ant/(Ant + Phe) ratio greater than 0.1 signals combustion sources, less than 0.1 indicates petrogenic sources (Budzinski et al., 1997; Duan et al., 2007).
Inhalation bioaccessibility of PAHs in PM<inf>2.5</inf>: Implications for risk assessment and toxicity prediction
2019, Science of the Total EnvironmentComparison of atmospheric polycyclic aromatic hydrocarbon levels in three urban areas in Lebanon
2018, Atmospheric EnvironmentCitation Excerpt :The BaP concentration measured in a location to the east of the power plant was 4.5 times higher than the levels measured at a distance of around 4.8 km southeast of the power plant. In comparison to other cities in developed and developing countries, Table 1 summarizes the BaP concentrations reported in various cities in the past three years, (Albuquerque et al., 2016; Alves et al., 2017; Chen et al., 2015, 2016a, 2016b; Jadoon and Sakugawa, 2016; Khan et al., 2015; Khedidji et al., 2017; Shahsavani et al., 2017; Wang et al., 2016). The BaP levels reported in this study are 60%–99% higher than those in most cities around the world.
Atmospheric deposition of polycyclic aromatic compounds and associated sources in an urban and a rural area of Chongqing, China
2017, ChemosphereCitation Excerpt :Moreover, OPAHs are end products of many biological and chemical degradation pathways, making them more persistent in the environment (Lundstedt et al., 2007). OPAHs and NPAHs are released together with PPAHs into the atmosphere as they all are the products of incomplete combustion, such as coal combustion and vehicle engine exhaust (Huang et al., 2014b; Kawanaka et al., 2007; Wang et al., 2016b, 2016c). They can also be formed from PPAHs in post-emission processes through chemical oxidation, photooxidation, and microbiological processes (Cerniglia, 1993; Haritash and Kaushik, 2009; Kojima et al., 2010; Yu, 2002; Zhang et al., 2011).