Using geographic information systems for radon exposure assessment in dwellings in the Oslo region, Norway
Fulltekst
RELATERTE DOKUMENTER
Here we consider instead the DRT of G¨otz and Druckm¨uller [31] and Brady [32] (GDB), and compute the inverse using linear algebra. In this formulation, the forward and inverse
Annual effective doses from radon, gamma and drinking water were calculated and total dose was used for the risk assessment in the former mining site located
Since radon progenies measurements are expensive because of the need for electrically operated equipment (ICRU 2012), a national or worldwide equilibrium factor value
radon concentration in ground, radon diffusion resistance of radon barrier, air permeance of ground, air pressure difference between outdoor ground and indoor at ground
Radon concentration in indoor air versus radon resistance in radon barrier for selected values of radon concentration in ground, number of air changes per hour, building
• Wells wit h a high radon cont ent are to be found in small areas and scatt ered sites even outs ide the main risk region s for radon, w hich was shown, for example on the island of
Again, like us, they observed that radon levels are similar in dwellings on different carbonatite types and they suggested that high indoor radon concentrations were caused by
Our testing of the hazard evaluation shows that combining signs of radon hazard from each of the data sets in the Gran region produces a liberal hazard map that encloses most