Articles | Volume 20, issue 23
Atmos. Chem. Phys., 20, 14933–14945, 2020
https://doi.org/10.5194/acp-20-14933-2020
Atmos. Chem. Phys., 20, 14933–14945, 2020
https://doi.org/10.5194/acp-20-14933-2020

Measurement report 03 Dec 2020

Measurement report | 03 Dec 2020

Measurement report: Seasonality, distribution and sources of organophosphate esters in PM2.5 from an inland urban city in Southwest China

Hongling Yin et al.

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Subject: Aerosols | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

Blum, A., Behl, M., Birnbaum, L. S., Diamond, M. L., Phillips, A., Singla, V., Sipes, N. S., Stapleton, H. M., and Venier, M.: Organophosphate ester flame retardants: are they a regrettable substitution for polybrominated diphenyl ethers?, Environ. Sci. Technol. Lett., 6, 638–649, https://doi.org/10.1021/acs.estlett.9b00582, 2019. 
Celano, R., Rodríguez, I., Cela, R., Rastrelli, L., and Piccinelli, A. L.: Liquid chromatography quadrupole time-of-flight mass spectrometry quantification and screening of organophosphate compounds in sludge, Talanta, 118, 312–320, https://doi.org/10.1016/j.talanta.2013.10.024, 2014. 
Chen, Y. Y., Song, Y. Y., Chen, Y. J., Zhang, Y. H., Li, R. J., Wang, Y. J., Qi, Z. H., Chen, F. H., and Cai, Z. W.: Contamination profiles and potential health risks of organophosphate flame retardants in PM2.5 from Guangzhou and Taiyuan, China, Environ. Int., 134, 105343, https://doi.org/10.1016/j.envint.2019.105343, 2020. 
Clark, A. E., Yoon, S., Sheesley, R.J., and Usenko, S.: Spatial and temporal distributions of organophosphate ester concentrations from atmospheric particulate matter samples collected across Houston, TX, Environ. Sci. Technol., 51, 4239–4247, https://doi.org/10.1021/acs.est.7b00115, 2017. 
Cristale, J. and Lacorte, S.: Development and validation of a multiresidue method for the analysis of polybrominated diphenyl ethers, new brominated and organophosphorus flame retardants in sediment, sludge and dust, J. Chromatogr. A., 1305, 267–275, https://doi.org/10.1016/j.chroma.2013.07.028, 2013. 
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Short summary
Samples were collected from six ground-based sites located in Chengdu, a typical rapidly developing metropolitan area in Southwest China, and were analysed for seven OPEs in atmospheric PM2.57 OPEs). The concentrations of Σ7 OPEs were higher in autumn and winter than in summer. In contrast to coastal cities, sustained and stable high local emissions in the inland city studied were identified, which is particularly noteworthy.
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