Article 5 4

4.   Without prejudice to the restrictions on chemicals set out in Annex XVII to Regulation (EC) No 1907/2006 or, where applicable, to the restrictions and specific measures on food-contact materials and articles in Regulation (EC) No 1935/2004, the sum of the concentrations of lead, cadmium, mercury and hexavalent chromium resulting from substances present in packaging or packaging components shall not exceed 100 mg/kg.