They were mentioned in a list released on November 5 by the National Agro-Forestry-Fisheries Quality Assurance Department (NAFIQAD) under the Ministry of Agriculture and Rural Development (MARD).
 

The warnings claimed that some Vietnamese seafood products contain Nitrofuran residues that are higher than the permitted level. NAFIQAD said local seafood exporters should apply tougher examination measures to ensure food hygiene and safety.

Strict inspection should also be conducted at aquaculture farms and preservation process in accordance with regulations of the Ministry of Agriculture and Rural Development (MARD) as well as requirements of importers, the Department suggested.

NAFIQAD asked the Vietnam Association of Seafood Exporters and Processors (VASEP) to warn local seafood exporters of high chemical residue in their export products and assist them in examining for chemicals, particularly Nitrofuran and Fuzazolidon.