Int. J. Environ. Res. Public Health 2011, 8(5), 1420-1440; doi:10.3390/ijerph8051420
Article

A Geostatistical Approach to Assess the Spatial Association between Indoor Radon Concentration, Geological Features and Building Characteristics: The Case of Lombardy, Northern Italy

1,* email, 1email, 2email and 3email
Received: 1 March 2011; in revised form: 22 April 2011 / Accepted: 28 April 2011 / Published: 6 May 2011
(This article belongs to the Special Issue Geostatistics in Environmental Pollution and Risk Assessment)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: Radon is a natural gas known to be the main contributor to natural background radiation exposure and second to smoking, a major leading cause of lung cancer. The main source of radon is the soil, but the gas can enter buildings in many different ways and reach high indoor concentrations. Monitoring surveys have been promoted in many countries in order to assess the exposure of people to radon. In this paper, two complementary aspects are investigated. Firstly, we mapped indoor radon concentration in a large and inhomogeneous region using a geostatistical approach which borrows strength from the geologic nature of the soil. Secondly, knowing that geologic and anthropogenic factors, such as building characteristics, can foster the gas to flow into a building or protect against this, we evaluated these effects through a multiple regression model which takes into account the spatial correlation of the data. This allows us to rank different building typologies, identified by architectonic and geological characteristics, according to their proneness to radon. Our results suggest the opportunity to differentiate construction requirements in a large and inhomogeneous area, as the one considered in this paper, according to different places and provide a method to identify those dwellings which should be monitored more carefully.
Keywords: radon; geostatistics; kriging with external drift; IRWGLS; geological class; building factors
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MDPI and ACS Style

Borgoni, R.; Tritto, V.; Bigliotto, C.; De Bartolo, D. A Geostatistical Approach to Assess the Spatial Association between Indoor Radon Concentration, Geological Features and Building Characteristics: The Case of Lombardy, Northern Italy. Int. J. Environ. Res. Public Health 2011, 8, 1420-1440.

AMA Style

Borgoni R, Tritto V, Bigliotto C, De Bartolo D. A Geostatistical Approach to Assess the Spatial Association between Indoor Radon Concentration, Geological Features and Building Characteristics: The Case of Lombardy, Northern Italy. International Journal of Environmental Research and Public Health. 2011; 8(5):1420-1440.

Chicago/Turabian Style

Borgoni, Riccardo; Tritto, Valeria; Bigliotto, Carlo; De Bartolo, Daniela. 2011. "A Geostatistical Approach to Assess the Spatial Association between Indoor Radon Concentration, Geological Features and Building Characteristics: The Case of Lombardy, Northern Italy." Int. J. Environ. Res. Public Health 8, no. 5: 1420-1440.


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