Monitoring of volatile organic compounds in ambient air of Taldykorgan city

Keywords: ambient air; BTEX, SPME; GC-MS; monitoring; Taldykorgan city

Abstract

The pollution of ambient air is the main source of risk to human health in the world. There is a direct relationship between level of air pollution and risk of the development of cancer, cardiovascular, respiratory and other diseases. Benzene, toluene, ethylbenzene and o-xylene (BTEX) are one of the most toxic volatile organic compounds. The aim of this study was quantification of BTEX in air in Taldykorgan city using solid-phase microextraction followed by gas chromatography with mass-spectrometric detection. In different sampling seasons average concentrations of BTEX varied from 7.50 to 27.1 µg/m3, from 15.3 to 251 µg/m3, from 2.40 to 12.8 µg/m3 and from 2.60 to 21.1 µg/m3, respectively. The highest concentrations of BTEX were detected in autumn season and were 27.1, 251, 12.8 and 21.1 µg/m3, respectively, while the highest concentrations of benzene were found in winter. According to the results of the study, average BTEX concentrations do not exceed the daily average maximal permissible levels (MPC) approved by the government of the Republic of Kazakhstan.

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Published
2019-11-01
How to Cite
Serik, L., Ibragimova, O., Ussenova, G., & Baimatova, N. (2019). Monitoring of volatile organic compounds in ambient air of Taldykorgan city. Chemical Bulletin of Kazakh National University, (4), 4-13. https://doi.org/https://doi.org/10.15328/cb1095
Section
Environmental Chemistry