Assessment the safety status of brown algas at Far East coastal waters

Brown algas at Far East coastal waters (Aniva bay, Avach bay, coastal waters of Primorskiy krai) according to the maintenance of toxic elements (arsenic, cadmium, lead), radionuclides, pesticides and their metabolites are investigated. Areas with the raised content of lead and arsenic in algas are revealed.The quantity of toxic elements is higher in Fucales algas in comparison with Laminariales. The amount of arsenic in the majority of samples considerably exceeds the established norm of 5,0 mg/kg and varies within 5,11-19,26 mg/kg in raw alga. The maximum quantity of lead (2,5 mg/kg in raw alga) is defined in laminariales algas from coastal waters in Primorskiy krai. The content of pesticides and radionuclides in brown algas doesn't exceed maximum permissible level.