Objective To improve laboratory detection level and quality management of food safety risk surveillance in Xinjiang, to ensure accuracy, comparability and reliability of the surveillance results of food safety risks at labs. Methods All labs were carried out blind sample assessment. Results Out of the 15 labs reported microbiological examination results of blind samples, all of them were satisfactory, accounting for 100.0% of the total. Lead examination results of the blind samples were reported by 14 labs,...