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Characterization of PM10 and PM2.5 Mass Concentrations in Jinju

진주시 대기중 PM10 및 PM2.5의 질량농도 특성

  • Received : 2014.03.05
  • Accepted : 2014.07.21
  • Published : 2014.12.31

Abstract

Ambient particulate matters($PM_{10}$ and $PM_{2.5}$) were investigated at GNTECH university in Jinju city. Samples were collected using a dichotomous sampler(series 240, Andersen Corp.) and a TEOM(Tapered Element Oscillating Microbalance) monitor period from November 2012 to October 2013. For the dichotomous sampler measurements, daily 24-h integrated $PM_{2.5}$ and $PM_{10-2.5}$ ambient air samples were collected at a total flow rate of 16.7 L /min. For the TEOM monitor measurements, daily 1-h integrated $PM_{10}$ ambient air samples were collected at a flow rate of 16.7 L /min. The annual average concentrations of $PM_{10-2.5}$ and $PM_{2.5}$ by a dichotomous sampler were $10.0{\pm}6.1{\mu}g/m^3$ and $22.6{\pm}9.3{\mu}g/m^3$, respectively. And $PM_{10}$ concentration by dichotomous sampler were similar to TEOM monitor by $32.7{\pm}12.9{\mu}g/m^3$ and $31.7{\pm}11.3{\mu}g/m^3$, respectively. And good correlation ($R^2=0.964$) between the two methods was observed. The annual average of $PM_{2.5}/PM_{10}$ ratio was $0.70{\pm}0.12$.

Keywords

Ambient aerosol;$PM_{10}$;$PM_{2.5}$;Mass concentration;Jinju city

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Cited by

  1. Mass Size Distribution of Atmospheric Aerosol Particles with Nanosampler Cascade Impactor in Jinju City vol.24, pp.5, 2015, https://doi.org/10.5322/JESI.2015.24.5.679
  2. Analytical methods for atmospheric particulate aerosols: Focused on the physical properties and chemical composition of metals and water soluble ionic compounds vol.28, pp.3, 2015, https://doi.org/10.5806/AST.2015.28.3.139

Acknowledgement

Supported by : 경남과학기술대학교