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Sci Total Environ. 2008 Aug 1;400(1-3):415-24. doi: 10.1016/j.scitotenv.2008.07.024. Epub 2008 Sep 5.

Dose-response functions for the soiling of heritage materials due to air pollution exposure.

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  • 1Centre for Decision Analysis and Risk Management, School of Health and Social Sciences, Middlesex University, The Burroughs, London, United Kingdom.


A set of materials (Portland limestone, white painted steel, white plastic and polycarbonate filter material) was exposed at locations in London, Athens and Krakow. Regular measurements of reflectance were taken over a period of twelve months. Co-located measurements of PM(10) concentrations were available. Based on these results, the relationship between soiling (measured as loss of reflectance) and ambient PM(10) concentrations was quantified leading to the development of dose-response functions for the soiling of materials. The results for limestone revealed too much scatter for a prediction to be made. Implications for air quality management and for the conservation of cultural heritage buildings are considered, including public acceptability and economic factors.

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