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« Previous Abstract"Assessment of occupational exposure to BTEX compounds at a bus diesel-refueling bay: A case study in Johannesburg, South Africa"    Next Abstract"Energy, industry and nitrogen: strategies for decreasing reactive nitrogen emissions" »

Int J Environ Res Public Health


Title:Occupational exposure of diesel station workers to BTEX compounds at a bus depot
Author(s):Moolla R; Curtis CJ; Knight J;
Address:"School of Geography, Archaeology and Environmental Studies, University of the Witwatersrand, Private Bag X3 WITS, Gauteng 2050, South Africa. Raeesa.Moolla@wits.ac.za. School of Geography, Archaeology and Environmental Studies, University of the Witwatersrand, Private Bag X3 WITS, Gauteng 2050, South Africa. Christopher.Curtis@wits.ac.za. School of Geography, Archaeology and Environmental Studies, University of the Witwatersrand, Private Bag X3 WITS, Gauteng 2050, South Africa. Jasper.Knight@wits.ac.za"
Journal Title:Int J Environ Res Public Health
Year:2015
Volume:20150413
Issue:4
Page Number:4101 - 4115
DOI: 10.3390/ijerph120404101
ISSN/ISBN:1660-4601 (Electronic) 1661-7827 (Print) 1660-4601 (Linking)
Abstract:"Diesel fuel is known to emit pollutants that have a negative impact on environmental and human health. In developing countries like South Africa, attendants are employed to pump fuel for customers at service stations. Attendants refuel vehicles with various octane unleaded fuel, lead-replacement petrol and diesel fuel, on a daily basis. Attendants are at risk to adverse health effects associated with the inhalation of volatile organic compounds released from these fuels. The pollutants released include benzene, toluene, ethylbenzene and xylenes (BTEX), which are significant due to their high level of toxicity. In this study, a risk assessment of BTEX was conducted at a diesel service station for public buses. Using Radiello passive samplers, it was found that benzene concentrations were above recommended international standards. Due to poor ventilation and high exposure duration, the average benzene concentration over the sampling campaign exceeded the US Environmental Protection Agency's chronic inhalation exposure reference concentration. Lifetime cancer risk estimation showed that on average there is a 3.78 x 10-4 cancer risk, corresponding to an average chronic daily intake of 1.38 x 10-3 mg/kg/day of benzene exposure. Additionally, there were incidences where individuals were at potential hazard risk of benzene and toluene that may pose non-carcinogenic effects to employees"
Keywords:"Adult Air Pollutants, Occupational/*analysis Benzene/*analysis Benzene Derivatives/analysis Female *Gasoline Humans Inhalation Exposure/*analysis Male Middle Aged Motor Vehicles Occupational Exposure/*analysis Risk Assessment South Africa Toluene/*analysi;"
Notes:"MedlineMoolla, Raeesa Curtis, Christopher J Knight, Jasper eng Research Support, Non-U.S. Gov't Switzerland 2015/04/15 Int J Environ Res Public Health. 2015 Apr 13; 12(4):4101-15. doi: 10.3390/ijerph120404101"

 
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