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10006571
PM10 Chemical Characteristics in a Background Site at the Universidad Libre Bogotá
Abstract:
One of the most important factors for air pollution is that the concentrations of PM10 maintain a constant trend, with the exception of some places where that frequently surpasses the allowed ranges established by Colombian legislation. The community that surrounds the Universidad Libre Bogotá is inhabited by a considerable number of students and workers, all of whom are possibly being exposed to PM10 for long periods of time while on campus. Thus, the chemical characterization of PM10 found in the ambient air at the Universidad Libre Bogotá was identified as a problem. A Hi-Vol sampler and EPA Test Method 5 were used to determine if the quality of air is adequate for the human respiratory system. Additionally, quartz fiber filters were utilized during sampling. Samples were taken three days a week during a dry period throughout the months of November and December 2015. The gravimetric analysis method was used to determine PM10 concentrations. The chemical characterization includes non-conventional carcinogenic pollutants. Atomic absorption spectrophotometry (AAS) was used for the determination of metals and VOCs were analyzed using the FTIR (Fourier transform infrared spectroscopy) method. In this way, concentrations of PM10, ranging from values of 13 µg/m3 to 66 µg/m3, were obtained; these values were below standard conditions. This evidence concludes that the PM10 concentrations during an exposure period of 24 hours are lower than the values established by Colombian law, Resolution 610 of 2010; however, when comparing these with the limits set by the World Health Organization (WHO), these concentrations could possibly exceed permissible levels.
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References:

[1] Colombia's Environmental Information System (SIAC). Atmospheric pollution. March 8, 2015. In: (https://www.siac.gov.co/contenido/contenido.aspx?catID=461&conID=538).
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[3] Altamar, A. (2006), Atmospheric pollution study generated by sulfur oxides, nitrogen oxides and particulate matter in a sector of Bogotá city. ADVANCES, no. 5, p. 3. 4.
[4] Hernández, A. (2012), Report on Air Quality in Colombia. IDEAM, Bogotá D.C. Pp. 26, 39, 70.
[5] Ruiz, C. (2006). Particulate matter characterization in the main collective and mass public transport routes of Bogota downtown. Environmental Engineering Thesis. Andes University, Colombia.
[6] Hernandez, B.P. (2009). Metals concentration determination and analysis in particulate matter with a diameter less than 2.5μm indoors and outside the home in Fontibón and Kennedy in Bogotá D.C. La Salle University.
[7] Environment Ministry, Housing and Sustainable Development. (S.f.). Resolution 610 of 2010. Bogotá.
[8] World Health Organization. (2005). WHO air quality guide for particulate matter, ozone, nitrogen dioxide and sulfur dioxide. Geneva, Switzerland.
[9] Fuentes, T. (2010). Interpolation of air quality monitoring data in an urban sensitive area: The Oporto/Asprela case. Revista da faculdade de ciencia y tecnologia no.7, pp. 1-2.
[10] Weicheng Xu, N. W. (2016). In situ FT-IR study and evaluation of toluene abatement in different plasma catalytic systems over metal oxides loaded γ-Al2O3. Catalysis Communication no. 84, pp. 62-64.
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