Occurrence of polychlorinated biphenyls in indoor dust of different buildings in Bushehr port, Iran

IF 2.9 4区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES Air Quality Atmosphere and Health Pub Date : 2024-02-01 DOI:10.1007/s11869-024-01521-6

Fatemeh Faraji Ghasemi, Azam Mohammadi, Gabriel E. De-la-Torre, Reza Saeedi, Sina Dobaradaran

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Abstract

Dust is a main source of different indoor contaminants, such as polychlorinated biphenyls (PCBs) generally applied in buildings. This study is the first report on the levels of PCBs in the indoor dust of Bushehr port, Iran. PCBs were evaluated in 30 dust samples collected from homes, offices, and stores. A total of 10 PCB congeners were found in dust samples. The mean levels of PCBs in homes, offices, and stores were 3.46, 0.51, and 1.28 ng/g, respectively. PCB52 and 31 in homes with values of 0.78 and 0.31 ng/g had the highest levels of PCB congeners. Also, no significant difference was detected among the PCB contents of buildings with different applications in Bushehr. Furthermore, PCBs in indoor dust showed acceptable cancer risk (CR) for different age groups. Most CR was observed for infants and toddlers at homes and stores thorough dust ingestion as the main exposure route to PCBs in dust. Based on the results of this research, exposure to PCBs in indoor buildings may cause a high risk for people of different ages.

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伊朗布什尔港不同建筑物室内灰尘中多氯联苯的存在情况

灰尘是各种室内污染物的主要来源，如建筑物中普遍使用的多氯联苯。本研究首次报告了伊朗布什尔港室内灰尘中的多氯联苯含量。对从家庭、办公室和商店收集的 30 份灰尘样本中的多氯联苯进行了评估。在灰尘样本中总共发现了 10 种多氯联苯同系物。家庭、办公室和商店中多氯联苯的平均含量分别为 3.46、0.51 和 1.28 纳克/克。家庭中 PCB52 和 31 的多氯联苯同系物含量最高，分别为 0.78 和 0.31 纳克/克。此外，在布什尔不同用途的建筑物中，多氯联苯含量没有发现明显差异。此外，室内灰尘中的多氯联苯对不同年龄组的癌症风险 (CR) 都是可以接受的。在家庭和商店中，婴幼儿摄入灰尘是接触灰尘中多氯联苯的主要途径，因此，婴幼儿的致癌风险最高。根据这项研究的结果，接触室内建筑中的多氯联苯可能会对不同年龄段的人造成高风险。

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来源期刊

Air Quality Atmosphere and Health ENVIRONMENTAL SCIENCES-

CiteScore

8.80

自引率

2.00%

发文量

146

审稿时长

>12 weeks

期刊介绍： Air Quality, Atmosphere, and Health is a multidisciplinary journal which, by its very name, illustrates the broad range of work it publishes and which focuses on atmospheric consequences of human activities and their implications for human and ecological health. It offers research papers, critical literature reviews and commentaries, as well as special issues devoted to topical subjects or themes. International in scope, the journal presents papers that inform and stimulate a global readership, as the topic addressed are global in their import. Consequently, we do not encourage submission of papers involving local data that relate to local problems. Unless they demonstrate wide applicability, these are better submitted to national or regional journals. Air Quality, Atmosphere & Health addresses such topics as acid precipitation; airborne particulate matter; air quality monitoring and management; exposure assessment; risk assessment; indoor air quality; atmospheric chemistry; atmospheric modeling and prediction; air pollution climatology; climate change and air quality; air pollution measurement; atmospheric impact assessment; forest-fire emissions; atmospheric science; greenhouse gases; health and ecological effects; clean air technology; regional and global change and satellite measurements. This journal benefits a diverse audience of researchers, public health officials and policy makers addressing problems that call for solutions based in evidence from atmospheric and exposure assessment scientists, epidemiologists, and risk assessors. Publication in the journal affords the opportunity to reach beyond defined disciplinary niches to this broader readership.