RM - Comunicações em actas de encontros científicos internacionais
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- Exposure to ionizing radiation and dangerous substances inside buildings related to construction productsPublication . Carvalho, F.P.; Paiva, J.V.; Carvalho, Jorge; Batista, Maria JoaoABSTRACT: The use of many materials of geological origin and recycled materials in the construction of buildings faces an increasing demand and stricter regulation for quality control. Construction products are requested to meet safety standards including those for radon exhalation and gamma radiation emission, amongst other dangerous substances, because if unchecked they could deteriorate the quality and safety of the indoor environment. Construction products shall pass testing for radioactivity in order to meet those standards and to maintain a high ranking position in the international markets.