Brazão, RobertoRavasco, FranciscoTomé, SidneyDias, Maria da GraçaOliveira, Luísa2019-03-012019-03-012018-05-10http://hdl.handle.net/10400.18/6024Introduction: The development of efficient collection and management systems of occurrence data in food and feed are important to monitor its supply and safety, to support dietary exposure and risk assessments, to strengthen knowledge acquisition and dissemination and to provide better scientific advices, contributing to the safety of the food chain and, consequently, to a higher level of protection of consumer’s health and life. In this context, Portugal created the National Data Management System (NDMS) "Alimentos PT•ON•DATA" in order to collect, compile, harmonize and electronically submit (Fig. 1) to the European Food Safety Authority (EFSA) coherent and trusted national data on contaminants, residues and food additives. objectives: To explore and further develop the NDMS for supporting national and international scientific risk assessments and planning more assertive monitoring activities facilitating its execution.engAlimentos PT.ON.DATAContaminantsResiduesAdditivesOccurrencePortuguese Food Chain2009-2016National Data Management SystemSegurança AlimentarAvaliação do RiscoPortugalContaminants, residues and food additives occurrence in the Portuguese food chain: 2009-2016 results from the national data management system “Alimentos PT•ON•DATA”conference object