2008•AIP conference proceedingsRequires access
Ambient Dose Equivalent in S. Paulo and Bauru cities
Nancy K. Umisedo, Emico Okuno, Francisco S. Cancio, Martha Aurélia Aldred, Elisabeth Mateus Yoshimura, Anselmo Salles Paschoa, Friedrich Steinhäusler
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Abstract
The Laboratory of Dosimetry (Institute of Physics, University of S. Paulo) performs since 1981 the external individual monitoring of workers exposed to X and gamma rays based on thermoluminescent dosimetry (TLD). Personal dose equivalent refers only to the exposure of workers due to the working activities, and the dose due to background radiation, also measured with TLD, must be subtracted to evaluate it. A compilation of ambient dose equivalent was done to evaluate the dose due to the background radiation in the work places, and also to contribute to the knowledge of the level of indoor radiation to which the public is exposed.