Following the detection of mineral oil aromatic hydrocarbons （MOAH） in batches of infant and follow-on formula in France, Germany and the Netherlands reported by foodwatch, the European Commission（EC） asked Member States （MS） to analyse the concerned batches and to investigate possible contamination sources; and mandated EFSA to perform a rapid assessment on the health risks related to the presence of MOAH in infant and follow-on formula. MOAH may include the presence of genotoxic and carcinogenic 3-7 ring polycyclic aromatic compounds （3-7 PAC）。 The EFSA opinion of June 2012 on mineral oil hydrocarbons identified a potential health concern related to the presence of these compounds in MOAH. For the current assessment, EFSA received only limited occurrence data from two MS （Austria and Germany）， in addition to the data published by foodwatch and data from Specialised Nutrition Europe. Different frequencies of quantifiable MOAH levels were observed, ranging from 50% of detection in the samples tested by foodwatch to lack of detection in the three samples analysed by the German authorities. Quantified MOAH levels were in the range 0.2-3 mg/kg.