Radiostrontium levels in foodstuffs: 4-Years control activity by Italian reference centre, as a contribution to risk assessment

Concerning solid matrices, cheeses produced from sheep's milk and animal feeds resulted the most contaminated (mean levels: 1.237 and 1.557 Bq kg−1, respectively). Meat products and seafood showed contamination levels not significant within this survey; while, among vegetables, cacao/chocolate and spices resulted in contamination levels comparable with those of cheese obtained from milk of cows origin.