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considerably. However, the compositions and source profiles of volatile organic compounds (VOCs) emitted from aircraft are still not clear. In this study, the characteristics of VOCs (including oxygenated VOCs (OVOCs)) emitted from airport sources were measured at Shenzhen Bao\u2019an International Airport. The results showed that the compositions and proportions of VOC species showed significant differences as the aircraft operating state changed. OVOCs were the dominant species and accounted for 63.17%, 58.44%, and 51.60% of the total VOC mass concentration during the taxiing, approach, and take-off stages. Propionaldehyde and acetone were the main OVOCs, and dichloromethane and 1,2-dichloroethane were the main halohydrocarbons. Propane had the highest proportion among all alkanes, while toluene and benzene were the predominant aromatic hydrocarbons. Compared with the source profiles of VOCs from construction machinery, the proportions of halogenated hydrocarbons and alkanes emitted from aircraft were significantly higher, as were those of propionaldehyde and acetone. OVOCs were still the dominant VOC species in aircraft emissions, and their calculated ozone formation potential (OFP) was much higher than that of other VOC species at all stages of aircraft operations. Acetone, propionaldehyde, formaldehyde, acetaldehyde, and ethylene were the greatest contributors to ozone production. This study comprehensively measured the distribution characteristics of VOCs, and its results will aid in the construction of a source profile inventory of VOCs emitted from aircraft sources in real atmospheric environments.<\/jats:p>","DOI":"10.3390\/toxics12040243","type":"journal-article","created":{"date-parts":[[2024,3,26]],"date-time":"2024-03-26T11:05:33Z","timestamp":1711451133000},"page":"243","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Characteristics of Volatile Organic Compounds Emitted from Airport Sources and Their Effects on Ozone Production"],"prefix":"10.3390","volume":"12","author":[{"given":"Mubai","family":"Chen","sequence":"first","affiliation":[{"name":"Institute of Mass Spectrometry and Atmospheric Environment, Guangdong Provincial Engineering Research Center for Online Source Apportionment System of Air Pollution, Jinan University, Guangzhou 510632, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shiping","family":"Li","sequence":"additional","affiliation":[{"name":"Shenzhen Ecological and Environmental Monitoring Center of Guangdong Province, Shenzhen 518049, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Long","family":"Yun","sequence":"additional","affiliation":[{"name":"Shenzhen Ecological and Environmental Monitoring Center of Guangdong Province, Shenzhen 518049, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yongjiang","family":"Xu","sequence":"additional","affiliation":[{"name":"Institute of Mass Spectrometry and Atmospheric Environment, Guangdong Provincial Engineering Research Center for Online Source Apportionment System of Air Pollution, Jinan University, Guangzhou 510632, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daiwei","family":"Chen","sequence":"additional","affiliation":[{"name":"Institute of Mass Spectrometry and Atmospheric Environment, Guangdong Provincial Engineering Research Center for Online Source Apportionment System of Air Pollution, Jinan University, Guangzhou 510632, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chuxiong","family":"Lin","sequence":"additional","affiliation":[{"name":"Shenzhen Ecological and Environmental Monitoring Center of Guangdong Province, Shenzhen 518049, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhicheng","family":"Qiu","sequence":"additional","affiliation":[{"name":"Shenzhen Ecological and Environmental Monitoring Center of Guangdong Province, Shenzhen 518049, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yinong","family":"You","sequence":"additional","affiliation":[{"name":"Institute of Mass Spectrometry and Atmospheric Environment, Guangdong Provincial Engineering Research Center for Online Source Apportionment System of Air Pollution, Jinan University, Guangzhou 510632, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ming","family":"Liu","sequence":"additional","affiliation":[{"name":"Guangzhou Hexin Instrument Co., Ltd., Guangzhou 510530, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhenrong","family":"Luo","sequence":"additional","affiliation":[{"name":"Guangzhou Hexin Instrument Co., Ltd., Guangzhou 510530, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liyun","family":"Zhang","sequence":"additional","affiliation":[{"name":"Guangzhou Hexin Instrument Co., Ltd., Guangzhou 510530, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4130-7936","authenticated-orcid":false,"given":"Chunlei","family":"Cheng","sequence":"additional","affiliation":[{"name":"Institute of Mass Spectrometry and Atmospheric Environment, Guangdong Provincial Engineering Research Center for Online Source Apportionment System of Air Pollution, Jinan University, Guangzhou 510632, China"},{"name":"Guangdong-Hongkong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 510632, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mei","family":"Li","sequence":"additional","affiliation":[{"name":"Institute of Mass Spectrometry and Atmospheric Environment, Guangdong Provincial Engineering Research Center for Online Source Apportionment System of Air Pollution, Jinan University, Guangzhou 510632, China"},{"name":"Guangdong-Hongkong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 510632, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,3,26]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1016\/S0269-7491(99)00086-X","article-title":"Photochemical oxidants: State of the science","volume":"100","author":"Kley","year":"1999","journal-title":"Environ. 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