%0 Journal Article %T A Study on Radon (222Rn) Exhalation Rate in the Rocks Used as Building Materials in Tiruchirappalli District, TN, India %A G. Sankaran Pillai %A P. Shahul Hameed %A S. M. Mazhar Nazeeb Khan %D 2015 %R 10.13074/jent.2015.03.143085 %J Journal of Environmental Nanotechnology %P 27-31 %V 4 %N 1 %I Institute for Environmental Nanotechnology %U https://doi.org/10.13074/jent.2015.03.143085