Extensive investigation of seasonal and spatial fluctuations of BTEX in an industrial city with a health risk assessment.
Air pollution
Karaj city
Possible sources
Risk assessment
Volatile organic compounds
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
10 10 2024
10 10 2024
Historique:
received:
28
06
2024
accepted:
30
09
2024
medline:
11
10
2024
pubmed:
11
10
2024
entrez:
10
10
2024
Statut:
epublish
Résumé
There are many pollutants in the air that can be harmful to human health. Their impact varies based on factors such as the kind of pollutant, duration of exposure, and concentration levels. Volatile organic compounds are particularly significant carcinogens among the various pollutants present in the air. Consequently, people who are exposed to these harmful airborne pollutants suffer permanent consequences. This study examines the properties of BTEX compounds-benzene, toluene, ethylbenzene, and xylene-as well as their sources and risk assessments throughout a one-year period from March 21, 2019, to March 20, 2020, in Karaj, Iran's largest industrialized city. First, utilizing a geographical information system that covered the entire city, 17 locations within Karaj were chosen for this purpose. Then, samplings were carried out in the spring, summer, autumn, and winter months with the NIOSH 1501 method. During the research period, 68 samples of BTEX compounds were collected. The adsorption of these contaminants on the activated carbon adsorbents was performed using an environmental sampling pump with a flow rate of 0.2 L/min for 1 h. The samples were subsequently prepared using a carbon disulfide solution and injected into a GC-FID for analysis. In this research, the average annual concentration of BTEX compounds in the air of Karaj city was obtained at 33.01 µg/m
Identifiants
pubmed: 39390096
doi: 10.1038/s41598-024-74901-8
pii: 10.1038/s41598-024-74901-8
doi:
Substances chimiques
Air Pollutants
0
Benzene Derivatives
0
ethylbenzene
L5I45M5G0O
Toluene
3FPU23BG52
Volatile Organic Compounds
0
Benzene
J64922108F
Xylenes
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
23662Informations de copyright
© 2024. The Author(s).
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