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According to the global movements in sustai nable development, European Parliament and Council amended Directive 76/769/EEC by Directive 2003/53/EC which prohibit, among other requirements, the marketing and use of cements and cement-containing preparations which, when hydrated, cont ain more than 0,0002 % of water-soluble hexavalent chromium, determined as percentage by mass of dry cement. This legislation is intended to minimize th e occurrence of chroma te-related allergic contact dermatitis arising from the us...