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Empirical Models to Predict Parsimoniously the Mass and Number Concentrations of Ultrafine Particulate in Ambient Atmosphere

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Abstract

The main objective of this study was to develop parsimonious empirical models for predicting the mass and number concentrations of ultrafine particulate (UFP, aerodynamic diameter < 0.1 or 0.18 μm) in the atmospheric environment. We found strong correlations existed between the mass/number concentration of UFP and the mass concentration of PM2.5 (aerodynamic diameter < 2.5 μm) by fitting the experimental data. Therefore, we were easily able to obtain UFP mass and number concentrations by using the presented empirical models. The empirical equations should be used with care since limitations existed.

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Acknowledgments

This work was supported by the National Science Council, ROC through grant number NSC88-EPA-Z-005-003.

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Authors and Affiliations

  1. Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, 106, Taiwan, ROC

    Chia-Pin Chio & Chung-Min Liao

  2. Department of Environmental Engineering, National Chung Hsing University, Taichung, 402, Taiwan, ROC

    Man-Ting Cheng

  3. Research Center for Environmental Changes, Academia Sinica, Nankang, Taipei, 115, Taiwan, ROC

    Yu-Chi Lin

Authors
  1. Chia-Pin Chio
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  2. Man-Ting Cheng
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  3. Yu-Chi Lin
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  4. Chung-Min Liao
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Correspondence to Chung-Min Liao.

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Chio, CP., Cheng, MT., Lin, YC. et al. Empirical Models to Predict Parsimoniously the Mass and Number Concentrations of Ultrafine Particulate in Ambient Atmosphere. Bull Environ Contam Toxicol 83, 688–692 (2009). https://doi.org/10.1007/s00128-009-9821-6

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  • DOI: https://doi.org/10.1007/s00128-009-9821-6

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