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:: Volume 16, Issue 6 (Iranian South Medical Journal 2014) ::
Iran South Med J 2014, 16(6): 419-427 Back to browse issues page
The investigation of exposure to benzene, toluene, ethylbenzene and xylene (BTEX) with Solid Phase Microextr action Method in gas station in Yazd province
Mohammad Hossein Mosaddegh Mehrjerdi1, Nasim Tahmasebi 2, Abolfazl Barkhordari FiroozAbadi3, Hossein Fallahzadeh4, Sanaz Esmaielian3, Kazem Soltanizadeh5
1- Department of Pharmacology, School of Pharmacy, Shahid Sadoughi University of Medical Sciences, Yazd, IRAN
2- Department of Health, School of Health, Shahid Sadoughi University of Medical Sciences, Yazd, IRAN , nasimtahmaseby@yahoo.com
3- Department of Health, School of Health, Shahid Sadoughi University of Medical Sciences, Yazd, IRAN
4- Department of Statistics, School of Health, Shahid Sadoughi University of Medical Sciences, Yazd, IRAN
5- National Iranian Oil Products Distribution Company
Abstract:   (7457 Views)

Abstract Background: Benzene, toluene, ethylbenzene and xylene (BTEX) are volatile organic compounds which their physical and chemical characteristics are similar. Evaporation of BTEX from gasoline in petrol station into the air causes gasoline station attendants expose to them. A new extraction method of volatile organic compounds is solid phase microextraction (SPME). The aim of this study is to optimize extraction conditions of BTEX from air samples and then determination of gasoline station air contamination with BTEX in Yazd. Material and Methods: In this study air samples were collected using Tedlar bags and then extracted and analyzed with SPME fiber and gas chromatography equipped with a flame ionization detector. Results: Our results indicate that PDMS/CAR has the best peak area in comparison with two other fibers The Optimized extraction and desorption times are estimated 3 and 1 minutes, respectively Mean concentration of benzene, toluene, ethyl benzene and xylene in gas station’s air were 1932±807, 667±405, 148±89, 340±216 µg/m3 respectively. Conclusion: Benzene mean concentration is above threshold limit value (0.5PPM). Whereas, toluene, ethylbenzene and xylene mean concentration are lower than threshold limit values.

Keywords: volatile organic compounds, BTEX, SPME, gasoline station
Full-Text [PDF 294 kb]   (2730 Downloads)    
Type of Study: Original | Subject: General
Received: 2013/12/17 | Accepted: 2013/12/17 | Published: 2013/12/17
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Mosaddegh Mehrjerdi M H, Tahmasebi N, Barkhordari FiroozAbadi A, Fallahzadeh H, Esmaielian S, Soltanizadeh K. The investigation of exposure to benzene, toluene, ethylbenzene and xylene (BTEX) with Solid Phase Microextr action Method in gas station in Yazd province. Iran South Med J. 2014; 16 (6) :419-427
URL: http://ismj.bpums.ac.ir/article-1-473-en.html


Volume 16, Issue 6 (Iranian South Medical Journal 2014) Back to browse issues page
دانشگاه علوم پزشکی بوشهر، طب جنوب ISMJ

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